Side effects & reports
Three ways in: pick a peptide, describe what you're feeling, or file an adverse event report. Each entry shows severity, how common it is, what others did, and when to stop.
bpc-157
- Mild nausea (oral route)uncommon · anecdotal
Take with food or switch to subq.
- Transient fatigue first weekcommon · forum-signal
Usually self-resolves by day 7.
- Injection-site rednesscommon · anecdotal
Rotate sites; ice 30s before injection.
cjc-1295
- Flushinguncommon · anecdotal
Reduce dose by 25%; persists → stop.
- Vivid dreamscommon · forum-signal
Take 30min earlier pre-bed.
epitalon
- Vivid dreamscommon · forum-signal
Move dose earlier in evening.
ghk-cu
- Metallic tasteuncommon · anecdotal
Stop and reassess copper intake.
- Skin pigmentation changesrare · case-report
Limit sun exposure; stop if spreading.
ipamorelin
- Hand tinglinguncommon · anecdotal
Drop dose 25%; persists → stop.
- Head rush on injectioncommon · forum-signal
Lay down 5 min post-injection.
semaglutide
- Nauseavery-common · clinical
Smaller meals; titrate dose slowly.
- Constipationcommon · clinical
Hydrate; add fiber/magnesium.
tb-500
- Lethargy on loading dosecommon · forum-signal
Lower to maintenance dose sooner.
tirzepatide
- Nauseavery-common · clinical
Slow titration; smaller meals.
- Injection-site reactioncommon · clinical
Rotate sites; alternate thigh/abdomen.