Livagen Research Reference

Catalog classification, reference sizes, lab math links, and source-backed data. Educational use only — not medical advice.

Researched for: short-peptide enzyme and aging biology

Longevity & Bioregulator Research peptide LyophilizedPowder verified

Also known as: KEDA, Lys-Glu-Asp-Ala

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Quick Facts

Reference Sizes

20 mg

Storage

Use lot-specific analytical and stability documentation

Solubility

Form and salt dependent; verify against the analytical certificate

Catalog Description

Livagen is the tetrapeptide Lys-Glu-Asp-Ala (KEDA). Indexed evidence includes an in vitro human-serum enzyme assay and an oral rat experiment, but accessible abstracts do not support a transferable human dose.

Catalog descriptions reflect research context only. Not a medical claim or treatment recommendation.

Research Profile

Half-Life

Not established in human pharmacokinetic studies

Onset

Study-dependent; no validated human onset

Administration Routes (Research)

In vitroOral in a rat study; human route not established

Reported Research Effects

Enkephalin-degrading enzyme inhibition in vitro
Aging-related animal research
No established human clinical effect

Reported Research Side Effects

Human safety and interaction data are incomplete; findings from laboratory or animal models do not establish clinical safety.

Data source: Primary literature and authoritative identity records

Reflects preclinical/research literature context only. Not a medical claim, dosing instruction, or treatment recommendation.

Research Protocols Reported in the Literature

20 uM [In vitro human-serum enzyme assay; Assay-specific; Continuous exposure]Source: PMID 12942748
Dose not stated in accessible abstract [Oral; 2 weeks in rats; Daily exposure]Source: PMID 16075683

Research Interactions

Flagged Avoid / Caution Combinations (Research)

Unvalidated combinations

Reflects patterns reported in research/community literature only. Not a safety guarantee, medical advice, or interaction warning for human use.

Research Notes

Cross-reference catalog inclusion confirmed; sales-page dosing was not promoted to a verified protocol without traceable primary evidence.

Supplementary research context only. Not medical advice or a treatment recommendation.

Sources

Livagen and enkephalin-degrading enzymes — PubMed (NIH)
https://pubmed.ncbi.nlm.nih.gov/12942748/

Livagen in aging rats — PubMed (NIH)
https://pubmed.ncbi.nlm.nih.gov/16075683/

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Research Use Only. All content is for educational and research reference only. Not medical advice, a treatment recommendation, or guidance on human use. Compounds are not FDA-approved drugs unless specifically noted.