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Longevity Stack
Interactions Explorer

What to avoid.

Filter peptide drug and stack interactions by category and severity. Pick a peptide to focus on what matters for your cycle.

2 matches
Focus peptide
Thymosin Alpha-1
Immune modulation
Grade B
Contraindications — do not use if
  • Autoimmune disease — pushing a Th1 response may worsen it
  • Organ transplant recipients on immunosuppression
  • Pregnancy and lactation
Immunosuppressants
Avoid / antagonisticOther

Directly opposing mechanisms — do not combine without specialist advice.

Corticosteroids
Caution / monitorHormonal & GH axis

Blunt the immune effect this peptide is taken for.

Interaction categories and severities are inferred from published notes and are not a substitute for a clinician review. Absence of a listed interaction is not evidence of safety — always cross-reference for any drug you take.