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There is no absolute contraindication to using these medications in hypothyroid patients, and clinical trials have included participants with thyroid disorders
Melanotan-2: Broad Activation MT-2 activates all five melanocortin receptor subtypes : MC1R Melanin production (tanning) MC3R Energy homeostasis, sexual arousal MC4R Appetite regulation, sexual function, erectile response MC5R Sebaceous gland function This non-selective binding is why MT-2 produces tanning AND sexual effects AND appetite suppression AND nausea it's hitting every melanocortin pathway at once
Caffeine combined with the metabolic changes from tirzepatide creates a compounding wakefulness effect that can be surprisingly powerful
Injection Technique Subcutaneous injections go into the fatty tissue just beneath the skin
This allows coordinated monitoring and prompt adjustment if any issues arise