L-Carnitine 200mg

$24.99

(5.0)

Research Studies:

  • Facilitates analysis of CPT1-mediated long-chain fatty acid mitochondrial transport
  • Supports investigation into β-oxidation pathways and cellular bioenergetics in assays
  • Enables research on acyl-CoA homeostasis and organic acid metabolism regulation
  • Useful for evaluating antioxidant enzyme activity and oxidative stress modulation
SKU: A-10076 Category: Tags: ,

Description

L-Carnitine 200mg is a research-use-only laboratory material supplied for controlled research workflows, compound characterization, and analytical documentation review. It is manufactured under rigorous quality standards to support consistency, traceability, and batch-specific verification for qualified laboratory settings.

Key Product Details

  • Manufactured in accordance with rigorous quality standards to support ≥99% purity, as reflected in batch-specific documentation where available.
  • Every batch is third-party analyzed for identity, assay/potency, and sterility documentation where applicable.
  • Supplied in lyophilized powder form to help preserve stability throughout transport and storage.
  • Produced with lot-level traceability to support research documentation and laboratory recordkeeping.

Research Documentation Context

  • Supports compound characterization in controlled laboratory settings.
  • Provides batch-specific identity and purity documentation for research review.
  • Allows lot-level traceability across laboratory documentation workflows.
  • Supports comparison of product labeling, analytical documentation, and storage information during research planning.
  • Supports analytical review of research compound materials within a strictly laboratory-focused context.

Specifications and Documentation

  • Certificate of Analysis: Available with batch-specific documentation where applicable.
  • Material Safety Data Sheet: Coming Soon.
  • Handling and Storage Instructions: Coming Soon.
  • Product Form: Lyophilized powder.
  • Purity Specification: ≥99% purity.
  • Intended Use: Laboratory research use only.

L-Carnitine 200mg is intended strictly for laboratory research use only. This product is not intended for human or animal consumption, therapeutic use, diagnostic use, clinical use, veterinary use, or as a food, drug, cosmetic, dietary supplement, or household product.

Additional information

CAS No.

541-15-1

Purity

≥99%

Sequence

N/A (small molecule, not a peptide)

Molecular Formula

C7H15NO3

Molecular Weight

161.20 g/mol

Applications

Fat metabolism studies, energy production research, cognitive function investigations

Synthesis

Solid-phase synthesis

Solubility

Soluble in water or 1% acetic acid

Stability & Storage

Stable for up to 24 months at -20°C. After reconstitution, may be stored at 4°C for up to 4 weeks or at -20°C for up to 6 months.

Appearance

White lyophilized powder

Shipping Conditions

Shipped at ambient temperature; once received, store at -20°C

Regulatory/Compliance

Manufactured in a facility that adheres to cGMP guidelines

Safety Information

Refer to provided MSDS

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Research Procurement Information

Buy L-Carnitine Online for Research | RUO COA Guide

Researchers searching for buy L-Carnitine online should evaluate L-Carnitine as a research-use-only laboratory material, not a consumer product. For laboratory buyers, the key considerations are compound identity, purity documentation, batch-specific COAs, lot traceability, product labeling, and storage information. This guide explains how to evaluate L-Carnitine 200mg for controlled research procurement through Pure Lab Peptides.

Fast Answer: buy L-Carnitine online for Laboratory Research

Researchers can buy L-Carnitine online for laboratory research by reviewing RUO labeling, batch-specific COA documentation, purity data, identity information, storage guidance, and supplier transparency before selecting a source. Products discussed in this article are intended for laboratory research use only and are not intended for human or animal consumption.

What Does “Buy L-Carnitine Online” Mean in a Research Context?

The phrase buy L-Carnitine online is addressed here as laboratory research procurement intent, not personal-use intent. In this context, the search phrase relates to qualified researchers, laboratory buyers, research institutions, and technical procurement teams comparing RUO sourcing options.

A research procurement review should begin with labeling and documentation. FDA guidance for RUO and IUO in vitro diagnostic products explains that RUO labeling is connected to materials in a laboratory research phase rather than diagnostic positioning [1]. FDA labeling materials also identify the statement “For Research Use Only. Not for use in diagnostic procedures” as a prominent RUO label statement in the IVD context [2].

For procurement teams, documentation review is not limited to a product name. It includes L-Carnitine COA review, purity support, identity information, lot number matching, storage and handling notes, and supplier language. Laboratory buyers may also consider whether testing is performed by organizations aligned with recognized laboratory competence expectations. ISO/IEC 17025 describes requirements for the competence, impartiality, and consistent operation of testing and calibration laboratories [3]. Analytical documentation should also be read against method-validation principles, because ICH Q2(R2) describes how analytical procedures are evaluated for suitability through defined validation characteristics [4].

In practical procurement language, this means the buyer is asking whether the supplier can support a controlled research purchase with records that can be retained in a laboratory file. A strong file may include the supplier product page, batch-specific COA, product label image or label text, internal purchase record, receiving record, storage note, and any internal acceptance review completed by the research organization. The purpose is traceability. Each document should point to the same L-Carnitine research-use-only material and the same lot, so a later audit or internal review can understand exactly which material entered the laboratory.

Supplier language is part of the documentation review. A page that emphasizes research procurement, analytical testing, and RUO boundaries is easier to align with laboratory purchasing controls than a page that emphasizes personal outcomes. Qualified researchers should also confirm that buying language does not substitute for evidence. The ability to buy L-Carnitine online for laboratory research is only one part of the decision; the more important question is whether the supplier provides enough documentation for a technical team to evaluate identity, purity, lot traceability, and storage requirements.

L-Carnitine Research Material Overview

L-Carnitine is a small-molecule research material, not a peptide. PubChem lists the L-carnitine entry as (-)-carnitine with molecular formula C7H15NO3 and molecular weight near 161.20 g/mol [5]. HMDB identifies L-Carnitine as a quaternary ammonium compound and a metabolite detected and quantified in biological systems [6]. ChEBI lists the stereochemical entry as (R)-carnitine, and ChEMBL lists carnitine as a small molecule with the same formula and molecular weight range [7] [8]. KEGG identifies L-Carnitine as compound C00318 and records synonyms used in biochemical pathway databases [9].

Research literature commonly discusses L-Carnitine in relation to the carnitine shuttle and long-chain fatty acid beta-oxidation models. Longo, Frigeni, and Pasquali reviewed carnitine transport and fatty acid oxidation, while Bremer reviewed carnitine metabolism and functions in foundational biochemical literature [10] [11]. Hoppel and Foster also reviewed the carnitine system in metabolic research contexts, including its role in transport of activated acyl groups [12] [13]. Rebouche and Paulson summarized carnitine metabolism in human biology literature, and Ramsay reviewed carnitine-system relevance in peroxisomal fatty acid oxidation [14] [15].

This scientific context does not create product-use guidance. Metabolic pathway literature should not be translated into weight-loss, performance, or wellness claims for RUO materials. For a laboratory buyer, L-Carnitine research material should be evaluated through identity, purity, batch documentation, and traceability rather than expected outcomes.

For procurement purposes, the stereochemical and salt-form details matter. A product name such as L-Carnitine should be matched against the COA, label, and any molecular information supplied with the lot. Researchers should not assume that a database entry, a general synonym, or a common name is identical to every purchasable form. If a supplier lists a hydrochloride salt, tartrate salt, free base, hydrate, or another specific form, the COA and product page should identify that form consistently. For L-Carnitine 200mg, the material review should focus on the listed product identity and the batch-specific documentation supplied by Pure Lab Peptides.

Because L-Carnitine is not a peptide, sequence verification is not the central identity feature. Instead, a small-molecule review may emphasize molecular formula, molecular weight, stereochemical naming, chromatographic behavior, mass spectral information, and comparison to an appropriate reference standard when such information is supplied. Researchers should treat the phrase L-Carnitine research material as a procurement description. It does not imply clinical positioning, supplement positioning, or personal-use suitability.

Why Researchers Search “Buy L-Carnitine Online”

Researchers search buy L-Carnitine online to locate research-use-only product availability and compare supplier documentation. The practical goal is not to learn how to use the compound. The goal is to determine whether a supplier provides clear product identity, batch-specific COA access, L-Carnitine purity documentation, L-Carnitine identity testing, storage information, lot traceability, and consistent RUO labeling.

Procurement teams that need to buy L-Carnitine for controlled laboratory work should also evaluate product form. L-Carnitine 200mg from Pure Lab Peptides is presented as lyophilized powder, with a stated purity claim of ≥99% and a batch-specific COA available. Researchers should compare the product page, COA, label information, and laboratory records so the compound name, amount, lot number, and documentation remain aligned.

Search behavior also reflects workflow needs. A research institution may need a small, documented RUO material for preliminary method development, reference-comparison work, or controlled laboratory characterization. The procurement team may therefore compare several supplier pages and ask whether each one provides a coherent documentation package. A product page that lists the amount but omits COA access, lot traceability, or identity information gives the technical reviewer less to evaluate.

Another reason researchers search this phrase is supplier transparency. Transparent suppliers make the intended-use boundary easy to see, identify the product form, describe the documentation available, and avoid language that would shift the page toward consumer guidance. For L-Carnitine supplier documentation, the safest editorial focus is quality review: COA availability, purity data, identity support, product form, storage guidance, and consistent labeling.

Research Procurement Checklist for L-Carnitine

  • Verify that L-Carnitine is labeled for research use only.
  • Review the batch-specific certificate of analysis before procurement.
  • Confirm that the COA includes identity and purity documentation and the listed testing method.
  • Check whether HPLC, LC-MS, mass spectrometry, or another analytical method is listed.
  • Compare the product name, lot number, and documentation for consistency.
  • Assess whether the supplier avoids dosing, therapeutic, diagnostic, or human-use claims.
  • Document storage and handling information in laboratory records.
  • Evaluate whether the lyophilized powder form matches the needs of the research workflow.
  • Confirm that the product is not marketed for human or animal consumption.

Lot traceability is especially important when multiple L-Carnitine lots are evaluated over time. The receiving record should identify the lot, the storage location, the COA reviewed, and the person or role that completed the documentation check. If a research team later compares results across experiments or analytical runs, these records help separate material variation from instrument, method, or workflow variation. Traceability also helps procurement teams avoid relying on memory, screenshots without dates, or supplier claims that are not tied to a specific batch.

L-Carnitine Quality Signals to Review Before Buying Online

When researchers search buy L-Carnitine online, the strongest quality signals are documentation signals. A supplier page should make the RUO position clear, avoid personal-use language, and give researchers a path to review the product page and batch-specific documentation.

The table below is a procurement screen, not a laboratory-use protocol. It helps technical buyers decide what documents to request or retain before approving a research material. For example, a COA availability statement is useful, but the reviewer should still confirm that the COA is batch-specific and that the product name and lot number match. Likewise, a purity claim is more meaningful when the analytical method, chromatographic output, or identity confirmation is visible in the documentation package.

Quality signals should also be evaluated negatively. If supplier copy includes personal-use framing, dosing language, clinical positioning, or outcome-driven claims, that language conflicts with a strict RUO procurement posture. Researchers should prefer documentation-centered suppliers that separate research sourcing from non-research claims. L-Carnitine identity testing and L-Carnitine purity documentation should remain the center of the purchase review.

Evaluation Area What Researchers Should Review Why It Matters for RUO Procurement
RUO labeling Confirm the product is clearly labeled for research use only Helps separate research procurement from human-use positioning
COA availability Review the available batch-specific certificate of analysis Supports lot-level documentation and quality review
Purity data Look for analytical support for the stated purity Helps evaluate material consistency
Identity testing Review HPLC, LC-MS, mass spectrometry, or related identity data included in the documentation Helps confirm the material matches the listed compound
Lot traceability Match lot numbers across product and documentation Supports research recordkeeping
Product form Confirm whether the material is supplied as lyophilized powder or another documented form Supports laboratory planning
Storage information Review storage and handling documentation Helps maintain material integrity in laboratory settings
Supplier language Confirm the supplier avoids dosing, therapeutic, or personal-use claims Supports research-use-only positioning

COA, Purity, and Identity Documentation

A L-Carnitine COA should be read as a batch document, not as a generic marketing statement. Researchers should look for the compound name, lot number, test date, purity percentage, testing method, identity confirmation, molecular weight where relevant, chromatographic or mass data where available, product form, and storage documentation. USP General Chapter <621> describes chromatographic procedures, calculations, and system suitability concepts relevant to chromatographic testing [16]. ICH Q14 describes science- and risk-based approaches for developing analytical procedures suitable for quality assessment [17].

COA review should be systematic. First, confirm that the COA names L-Carnitine and not a neighboring synonym or related compound that does not match the product page. Second, match the lot number on the COA to the product label or shipment documentation. Third, read the test method and result together. A result without a method gives less context, and a method without a lot-specific result does not document the received material. Fourth, record storage and handling information in the laboratory file so the material can be managed consistently after receipt.

For small molecules, HPLC may support purity assessment by showing chromatographic separation and peak area information, while LC-MS or mass spectrometry may provide molecular-mass or fragmentation information relevant to identity. These techniques answer related but different questions. Purity methods can show how much of the chromatographic signal corresponds to the main component under a stated method. Identity methods help confirm that the signal corresponds to the listed compound. A complete review brings those lines of evidence together rather than treating any single number as sufficient.

A purity percentage alone does not establish complete compound identity; researchers should evaluate purity, identity, method, lot number, and documentation together. Published analytical methods show that carnitine and acylcarnitines can be studied with LC-MS/MS, UHP-HILIC-MS/MS, HPLC-MS/MS, HPLC-electrospray tandem mass spectrometry, and RP-HPLC methods, depending on the matrix and analytical objective [18] [19] [20] [21] [22] [23].

Mass spectral libraries and reference resources can support compound-identification workflows by comparing spectra, fragmentation patterns, and related metadata. NIST describes tandem mass spectral libraries as resources for compound identification, and Yan and colleagues described an acylcarnitine mass spectral library derived from LC-MS/MS analysis of NIST urine reference materials [24] [25].

flowchart TD A[Receive product and COA] --> B{RUO labeling present?} B -- No --> C[Flag procurement gap] B -- Yes --> D{Lot number matches across label and COA?} D -- No --> E[Request batch-specific documentation] D -- Yes --> F{Identity supported by analytical method?} F -- No --> G[Request HPLC, LC-MS, or equivalent] F -- Yes --> H[Proceed to laboratory documentation and storage]

Research Literature Context

Published literature on L-Carnitine is broad, but this article uses it only as research context. Database records identify L-Carnitine by formula, stereochemical naming, synonyms, and pathway identifiers, while review literature discusses carnitine transport, acyl group movement, and metabolic-pathway models [5] [6] [10].

Analytical literature focuses on detection, quantification, chromatographic separation, mass spectrometric confirmation, and stability-indicating procedures. These methods are useful for understanding what a procurement team may expect in L-Carnitine supplier documentation, but they do not replace the need to review the actual batch-specific COA. Published clinical literature should not be interpreted as use guidance for RUO materials.

The main limitation for procurement interpretation is scope. A database entry can support identity review, a review article can describe biochemical context, and an analytical paper can illustrate testing methodology. None of those sources proves that a particular lot from a supplier matches specification. That conclusion depends on lot-specific testing, product-label consistency, COA review, and laboratory recordkeeping.

Researchers should also distinguish between class-level literature and lot-level documentation. A review article on the carnitine system can help a scientific team understand why L-Carnitine appears in metabolic-pathway literature, but it cannot document the purity or identity of a specific research lot. An analytical paper can show that LC-MS/MS or HPLC methods are technically relevant for carnitine analysis, but it cannot prove that a supplier used that method for a particular batch. The batch-specific COA remains the document that connects analytical testing to the material being procured.

Evidence type also matters. Database records are useful for names, identifiers, formula, and cross-references. Review articles are useful for neutral scientific context. Method papers are useful for understanding why laboratories may use HPLC, LC-MS/MS, mass spectrometry, or related methods. Supplier documentation is useful for the particular lot under purchase review. These evidence types should be kept separate in editorial copy so readers do not mistake general literature for product validation.

Evidence Landscape

Research Area What Literature Examines Evidence Type RUO Interpretation
Compound identity Molecular structure, sequence, formula, or classification Database / analytical Supports identification, not product-use claims
Pathway or category context Relevant receptor, pathway, biochemical class, or model-specific research area Review / in vitro / preclinical Useful for research context, not therapeutic claims
Analytical testing Purity, identity, and batch verification HPLC / LC-MS / mass spectrometry / COA Supports documentation review
Storage and stability Material form and handling considerations Laboratory documentation Supports research workflow planning

This evidence landscape is intentionally conservative. It does not rank L-Carnitine by expected outcomes, compare it to regulated products, or suggest use cases outside laboratory research. Its purpose is to show how different evidence categories support different procurement questions. Identity resources help answer “what is the compound?” Analytical resources help answer “how may this type of compound be tested?” Supplier documents help answer “what is documented for this batch?”

Qualified researchers should document any remaining gaps before completing procurement. A gap might be an unclear product form, a COA that does not match the lot, a missing method description, or supplier copy that conflicts with RUO positioning. The right response to a documentation gap is not to infer quality from search visibility or sales language; it is to request clarification, retain records, and apply the research institution’s purchasing controls.

Claim Boundary Table

Research-Safe Statement Why It Is Acceptable Non-Compliant Version to Avoid
“L-Carnitine is discussed in published research related to metabolic pathway and carnitine-shuttle research.” Describes literature context without making a product claim “L-Carnitine helps with a human outcome.”
“Researchers should review COA and identity data before procurement.” Focuses on documentation and quality review “Users should buy L-Carnitine for results.”
“Pure Lab Peptides supplies L-Carnitine as a research-use-only material.” Clarifies intended use “Pure Lab Peptides supplies L-Carnitine for therapy.”
“The phrase buy L-Carnitine online is addressed as research procurement intent.” Qualifies commercial search intent “Buy L-Carnitine online for personal use.”
“L-Carnitine supplier documentation should be assessed at the lot level.” Connects purchasing review to batch traceability “Supplier claims can replace analytical documentation.”

How Pure Lab Peptides Presents L-Carnitine

Pure Lab Peptides presents L-Carnitine 200mg as a research-use-only material. The product is described with an ≥99% purity claim, lyophilized powder form, and batch-specific COA availability. For research procurement, those details should be reviewed together with product page documentation, storage and handling documentation, lot-level traceability, and supplier transparency.

The Pure Lab Peptides product review should therefore be framed as documentation review. A qualified buyer should confirm that the product page, COA, and label all refer to L-Carnitine 200mg and that the batch-specific COA supports the listed purity claim. The ≥99% purity claim is a supplier claim that should be evaluated alongside the COA method and identity information. The lyophilized powder form should also be recorded in the purchasing file because product form affects receiving and storage planning in a laboratory setting.

Researchers should review the product page and batch-specific documentation before adding any RUO material to an internal inventory system. Useful internal records may include the purchase date, supplier name, product URL, lot number, COA version, receiving date, storage location, and the name or role of the technical reviewer. These records support traceability without implying any non-research use.

Review the Pure Lab Peptides L-Carnitine 200mg product page for RUO labeling and batch-specific documentation. Researchers comparing broader research materials can also review the Pure Lab Peptides research peptide collection for consistent labeling, documentation conventions, and procurement context.

Common Misunderstandings About Buying L-Carnitine Online

Misunderstanding: “Buy L-Carnitine online” means personal use

Buy L-Carnitine online should not be interpreted as personal-use guidance on this page. The phrase is addressed as laboratory procurement intent for qualified researchers reviewing RUO labeling, documentation, purity data, identity information, and supplier transparency.

Misunderstanding: Published literature equals product-use guidance

Published literature may describe L-Carnitine in biochemical databases, metabolic-pathway reviews, and analytical chemistry studies. That literature should not be converted into claims about any RUO product. Procurement review should focus on identity, purity, COA status, lot traceability, and storage documentation.

Misunderstanding: Purity percentage alone proves identity

L-Carnitine purity documentation is important, but a percentage by itself does not establish complete identity. Researchers should evaluate the method, lot number, chromatographic or mass data where available, molecular information, product form, and batch-specific COA together.

Misunderstanding: COA documentation does not need to be batch-specific

A useful COA should correspond to the specific lot under review. Batch-specific documentation helps researchers match the L-Carnitine research material, product label, product page, and laboratory records. A generic document is less useful for traceable procurement decisions.

Misunderstanding: RUO labeling supports clinical or diagnostic use

RUO labeling does not support clinical, diagnostic, veterinary, or personal-use positioning. In procurement review, RUO labeling is a boundary statement. It tells laboratory teams to evaluate the material for controlled research settings and to avoid non-research interpretations.

FAQs About Buying L-Carnitine Online for Research

Where can researchers buy L-Carnitine online for laboratory research?

Researchers can buy L-Carnitine online for laboratory research by reviewing RUO suppliers that provide clear labeling, product identity, purity information, batch-specific COA access, and supplier documentation. Pure Lab Peptides presents L-Carnitine 200mg as a research-use-only material with batch-specific COA availability.

What should researchers check before buying L-Carnitine online?

Before buying L-Carnitine online, researchers should check RUO labeling, L-Carnitine COA availability, purity documentation, identity testing, lot traceability, product form, storage information, and supplier language. The review should confirm that the material is not positioned for human or animal consumption.

Why does a COA matter when buying L-Carnitine?

A COA matters when buying L-Carnitine because it gives researchers lot-level documentation for the material under review. A strong L-Carnitine COA should be read alongside the label and product page, with attention to compound name, lot number, purity, method, identity support, and storage notes.

Is L-Carnitine intended for human or animal consumption?

L-Carnitine discussed on this page is not intended for human or animal consumption. The article addresses L-Carnitine research-use-only procurement, documentation review, purity support, identity confirmation, and supplier evaluation for qualified laboratory teams.

What does research use only mean for L-Carnitine?

Research use only for L-Carnitine means the material is positioned for controlled laboratory research and documentation review, not clinical, diagnostic, veterinary, consumer, or personal-use applications. Procurement teams should evaluate RUO labeling, COA documentation, lot traceability, and supplier transparency.

How should published literature about L-Carnitine be interpreted?

Published literature about L-Carnitine should be interpreted as scientific context, not product-use guidance. Database records and analytical studies can support identity and method awareness, while review literature can describe pathway context. None of those sources replaces batch-specific COA review for an RUO material.

Next Steps

Qualified researchers evaluating L-Carnitine should review product labeling, COA status, identity documentation, storage information, and supplier transparency. For research teams comparing L-Carnitine suppliers, prioritize COA availability, transparent labeling, purity documentation, and lot-level traceability.

References

  1. U.S. Food and Drug Administration. “Distribution of In Vitro Diagnostic Products Labeled for Research Use Only or Investigational Use Only.” FDA Guidance Document. 2013; content current 2018. fda.gov
  2. U.S. Food and Drug Administration. “In Vitro Diagnostic Device Labeling Requirements.” FDA. 2023. fda.gov
  3. International Organization for Standardization. “ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories.” ISO. 2017; confirmed 2023. iso.org/standard/66912.html
  4. International Council for Harmonisation. “Q2(R2) Validation of Analytical Procedures.” ICH Harmonised Guideline. 2023. database.ich.org
  5. National Center for Biotechnology Information. “(-)-Carnitine.” PubChem Compound Summary for CID 10917. Accessed 2026. pubchem.ncbi.nlm.nih.gov/compound/l-carnitine
  6. Human Metabolome Database. “Showing metabocard for L-Carnitine (HMDB0000062).” HMDB. Updated 2025. hmdb.ca/metabolites/HMDB0000062
  7. EMBL-EBI. “(R)-carnitine (CHEBI:16347).” ChEBI. Accessed 2026. ebi.ac.uk/chebi/CHEBI:16347
  8. EMBL-EBI. “Carnitine (CHEMBL172513).” ChEMBL. Accessed 2026. ebi.ac.uk/chembl/explore/compound/CHEMBL172513
  9. Kanehisa Laboratories. “KEGG COMPOUND: C00318 L-Carnitine.” KEGG. Accessed 2026. genome.jp/dbget-bin/www_bget?cpd:C00318
  10. Longo N, Frigeni M, Pasquali M. “Carnitine transport and fatty acid oxidation.” Biochimica et Biophysica Acta – Molecular Cell Research. 2016;1863(10):2422-2435. doi.org/10.1016/j.bbamcr.2016.01.023
  11. Bremer J. “Carnitine–metabolism and functions.” Physiological Reviews. 1983;63(4):1420-1480. doi.org/10.1152/physrev.1983.63.4.1420
  12. Hoppel C. “The role of carnitine in normal and altered fatty acid metabolism.” American Journal of Kidney Diseases. 2003;41(4 Suppl 4):S4-S12. pubmed.ncbi.nlm.nih.gov/12751049
  13. Foster DW. “The role of the carnitine system in human metabolism.” Annals of the New York Academy of Sciences. 2004;1033:1-16. doi.org/10.1196/annals.1320.001
  14. Rebouche CJ, Paulson DJ. “Carnitine metabolism and function in humans.” Annual Review of Nutrition. 1986;6:41-66. pubmed.ncbi.nlm.nih.gov/3524622
  15. Ramsay RR. “The role of the carnitine system in peroxisomal fatty acid oxidation.” American Journal of the Medical Sciences. 1999. doi.org/10.1097/00000441-199907000-00005
  16. United States Pharmacopeia. “<621> Chromatography.” USP Harmonized General Chapter. 2021. usp.org
  17. International Council for Harmonisation. “Q14 Analytical Procedure Development.” ICH Harmonised Guideline. 2023. database.ich.org
  18. Giesbertz P, Ecker J, Haag A, Spanier B, Daniel H. “An LC-MS/MS method to quantify acylcarnitine species including isomeric and odd-numbered forms in plasma and tissues.” Journal of Lipid Research. 2015;56(10):2029-2039. doi.org/10.1194/jlr.D061721
  19. Kivilompolo M, Öhrnberg L, Oresic M, Hyötyläinen T. “Rapid quantitative analysis of carnitine and acylcarnitines by ultra-high performance-hydrophilic interaction liquid chromatography-tandem mass spectrometry.” Journal of Chromatography A. 2013;1292:189-194. doi.org/10.1016/j.chroma.2012.12.073
  20. Minkler PE, Stoll MSK, Ingalls ST, Hoppel CL. “Quantification of carnitine and acylcarnitines in biological matrices by HPLC electrospray ionization-mass spectrometry.” Analytical Biochemistry. 2008. pubmed.ncbi.nlm.nih.gov/18678604
  21. Vaz FM, Melegh B, Bene J, Cuebas D, Gage DA, Bootsma A, Vreken P, van Gennip AH, Bieber LL, Wanders RJA. “Analysis of carnitine biosynthesis metabolites in urine by HPLC-electrospray tandem mass spectrometry.” Clinical Chemistry. 2002;48(6):826-834. pubmed.ncbi.nlm.nih.gov/12028997
  22. Ahn JH, Kwak BM, Park JM, Kim NK, Kim JM. “Rapid determination of L-carnitine in infant and toddler formulas by liquid chromatography tandem mass spectrometry.” Food Science of Animal Resources. 2014;34(6):749-756. doi.org/10.5851/kosfa.2014.34.6.749
  23. Khoshkam R, Afshar M. “Validation of a stability-indicating RP-HPLC method for determination of L-carnitine in tablets.” International Scholarly Research Notices. 2014;2014:481059. doi.org/10.1155/2014/481059
  24. National Institute of Standards and Technology. “Tandem Mass Spectral Library.” NIST. 2012. nist.gov/programs-projects/tandem-mass-spectral-library
  25. Yan X, et al. “Mass Spectral Library of Acylcarnitines Derived from Human Urine.” NIST Publications. 2020. nist.gov/publications/mass-spectral-library-acylcarnitines-derived-human-urine