← Pick a different goal
MyDosage · Personal evidence dossier

Longevity & markers

Skin, cellular, and broad-system signals — preclinical to early human.

DSR-LONG-20260820
Issued August 20, 2026
Editorial · independent
01Top candidate
Thymosin α1
Thymic peptide (28-aa) · t½ ~2 h

Thymic-origin peptide marketed as Zadaxin in 30+ countries (not US) for chronic hepatitis B/C and as adjuvant.

Evidence Intelligence Score™
6.4/ 10Moderate
Strongest

Effects on the indexed outcomes are supported by randomized human data, with 1 citation on file.

Weakest

Effect sizes outside trial populations and durations beyond the studied window remain less characterized.

Unknowns

Interactions outside listed contraindications, long-term safety, and effect heterogeneity across age and sex are not fully resolved.

Outlook

Outlook: maturing. Expect the consensus to harden as multi-site replications publish.

02Ranked candidates
  1. 01
    Thymosin α1
    Thymic peptide (28-aa)
    6.4
    A
  2. 02
    GHK-Cu
    Copper-binding tripeptide
    5.2
    B
  3. 03
    Epitalon
    Pineal tetrapeptide
    3.9
    C
  4. 04
    Thymulin
    Zinc-dependent thymic peptide
    3.7
    C
03Safety register
  • Thymosin α1
    Active organ transplant (caution — immunostimulation)
  • GHK-Cu
    Wilson's disease · Copper sensitivity
  • Epitalon
    Pregnancy · Active malignancy (theoretical)
  • Thymulin
    No human safety data

Suggestive, never prescriptive. This dossier summarizes indexed published evidence as of issue date. It is not medical advice. Discuss with a clinician.

Issued by
MyDosage Editorial
Independent · non-commercial

Dossiers regenerate against the latest evidence on every visit · methodology