Cannabis peptide interactions

Retatrutide {#retatrutide}

Most important interaction in Ben’s stack — goal conflict, not toxicity.

  • THC stimulates appetite via hypothalamic CB1 → orexigenic
  • Retatrutide suppresses appetite via GLP-1/GIP/glucagon → anorexigenic
  • Human evidence: cannabis may reduce circulating GLP-1 levels
  • Preclinical: reciprocal CB1/GLP-1R cross-talk (cAMP, insulin signaling)
  • Net effect: cannabis likely partially blunts Retatrutide appetite suppression and weight-loss signaling
  • No dangerous PK interaction identified — this is a signal-conflict issue

BPC-157

No documented direct interaction. Weak theoretical overlap via DA/5-HT/NO systems only. Not a practical concern.

TB-500

No documented interaction. No known endocannabinoid system overlap. Not a practical concern.

GHK-Cu

No documented interaction. No known direct endocannabinoid overlap. Not a practical concern.

Cannabis, Retatrutide, CB1 receptor