Nutrients and cofactors
Conceptual educational illustration of Lysine in a glass specimen jar, labelled MOLECULE PROFILE.

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AGENT PROFILE

Lysine

Nonpeptide agent

Essential amino acid used in protein synthesis; not equivalent to tripeptide KPV despite sharing a residue/name.

Sources checked · October 16, 2026

Published for review · Scientific, medical, translation and citation review pending. Reported uses are not authorized indications. Frequency reflects mentions in supplied sources, not sales or global clinical prevalence.

Identity and synonyms

Catalog label is recorded; analytical identity and equivalence are not established.

Nonpeptide agent · Amino acid or derivative

Detailed molecular class: Nonpeptide agent; see mechanism for subtype

Supplied sequence or chemical reference

PubChem CID: 5962

Molecular formula: C6H14N2O2

IUPAC: (2S)-2,6-diaminohexanoic acid

Source: PC-LYSINE

PubChem

Chemical structure reference

Database chemical reference; does not certify supplier vial, salt, isomer or formulation.

Mechanism

Essential amino acid used in protein synthesis; not equivalent to tripeptide KPV despite sharing a residue/name.

Evidence and critical reading

Reported scientific and empirical uses

Replacement and nutritional context

Nutrition/empirical supplement uses including herpes prevention; appears as a blend ingredient.

Human evidence

A small older trial with 52 completers reported a favorable herpes signal; conflicting results exist. It does not replace antivirals or verify injectable blends.

Preclinical evidence

Do not equate mechanism, cell culture or animal work with a clinical outcome. The specific level is detailed in the evidence assessment.

Critical reading and limitations

A small older trial with 52 completers reported a favorable herpes signal; conflicting results exist. It does not replace antivirals or verify injectable blends.

A small older trial with 52 completers reported a favorable herpes signal; conflicting results exist. It does not replace antivirals or verify injectable blends.

Source-specific regimens

Descriptive source observations, not individual recommendations.

Regulatory product labeling

Listed regimens preserve source/context. An empty layer means no regimen attributable to this identity was verified in this review; it does not prove universal absence of data.

Human-study exposure

NOT A RECOMMENDATION.Each amount is attributed to the source identified for that entry: regulatory product labeling, human research, or community and practice sources. These source categories have different evidentiary roles. They are not medical advice, not a protocol, not a recommended or safe dose, and not evidence that it works. Do not use them to start, change or stop any treatment. Talk to a qualified healthcare professional.

Reported by Success of L-lysine therapy in frequently recurrent herpes simplex infection. Treatment and prophylaxis.

1000 mg · Amount per administration

Frequency
Three times/day
Duration
6 months
Route
Oral
Context
Older herpes trial; 52 completers; results not uniform across studies.
Presentation
A dosage-form presentation is not specified in the reviewed record.
Interpretation
Research exposure: not a prescription or starting regimen. It does not reconstruct protocol titration, exclusions or monitoring.

PMID3115841 · October 16, 2026

NOT A RECOMMENDATION.Each amount is attributed to the source identified for that entry: regulatory product labeling, human research, or community and practice sources. These source categories have different evidentiary roles. They are not medical advice, not a protocol, not a recommended or safe dose, and not evidence that it works. Do not use them to start, change or stop any treatment. Talk to a qualified healthcare professional.

Empirical handbook

Listed regimens preserve source/context. An empty layer means no regimen attributable to this identity was verified in this review; it does not prove universal absence of data.

Regulation and safety

Jurisdiction-specific regulatory context

This record does not verify FDA/EMA authorization of the commercial identity. Where a specific medicine/product exists, jurisdiction/indication are detailed in cited sources; they do not transfer to supplier material.

Adverse effects and unknowns

Dietary/supplement exposure does not automatically define parenteral or renal-disease safety; context/formulation need separate assessment.

Contraindications

A complete list must match the exact authorized product. For experimental materials without verified human labeling, a complete contraindication set is not established here. No list does not mean safety.

Interactions

Separate documented interaction, pharmacologic plausibility and unknown interaction. Absence of a blend trial does not establish compatibility.

Studies and trials

Selected studies

No selected studies are attributed in this record.

Trials attributed in the package

No trials are attributed in this record.

Trial registration does not establish efficacy or validate commercial material.

Query candidates; attribution pending

Lysine · 281 unfiltered query results, not authenticated trials

Query verification: October 16, 2026

Exact phrase intervention query; first three most recently updated records, not exhaustive. Aliases may be missed and heterogeneous products may appear. The total is the unfiltered registry query count, not authenticated trials. Source-integrity holds are excluded from ordinary listings.

View trial registry query

NCT06991738 · 177Lu-DOTA-EB-TATE in Adult Patients With Metastatic, Radioactive Iodine Non-Responsive Oncocytic (Hurthle-Cell) Thyroid CancerRegistry status: Not yet recruitingLast update posted: October 16, 2026Query verification: October 16, 2026

NCT06379217 · NEPC Study: An Exploratory Safety and Efficacy Study With PSMA, SSTR2 and GRPR Targeted Radioligand Therapy in Metastatic Neuroendocrine Prostate Cancer.Registry status: Active, not recruitingLast update posted: October 15, 2026Query verification: October 16, 2026

NCT07682649 · Escalating Cycle 1 Dose of Lu-177-PSMA-617 for the Treatment of Metastatic Castration Resistant Prostate CancerRegistry status: Not yet recruitingLast update posted: October 15, 2026Query verification: October 16, 2026

Source issues and references

References include queries and bibliographic handbook attributions; not all are clinical studies. Human review remains pending.

  1. PC-LYSINE

    PubChem L-lysine (CID 5962)

    October 16, 2026

  2. PMID3115841

    Success of L-lysine therapy in frequently recurrent herpes simplex infection. Treatment and prophylaxis.

    Griffith RS, Walsh DE, Myrmel KH, Thompson RW, Behforooz A.

    October 16, 2026

  3. PMID6419679

    Failure of lysine in frequently recurrent herpes simplex infection. Treatment and prophylaxis.

    DiGiovanna JJ, Blank H.

    October 16, 2026

  4. SEARCH-PUBMED-lysine

    PubMed/MED targeted search: TITLE_ABS:lysine AND TITLE_ABS:"herpes simplex" AND TITLE_ABS:trial

    October 16, 2026

  5. pdf09

    PeptideFactory.pdf

    October 16, 2026

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