Updated July 23, 2026 at 6:14 PM EDT For the latest stories on the science of healthy living, subscribe to NPR's Health newsletter
These licensed medications have extensive clinical trial evidence demonstrating safety and efficacy
The thymus gland, sitting just behind your breastbone, produces a number of vital hormones, including those responsible for white blood cell production
Studies on athletes show whole-body cryotherapy reduces circulating levels of the pro-inflammatory cytokine IL-1 beta while increasing the anti-inflammatory cytokine IL-10 and the cytokine inhibitor IL-1 receptor antagonist (IL-1ra)
Stacking with other experimental peptides (like AOD-9604) is speculative and not clinically tested
Hex-Amino $25 (every 5-7 days) Provides more oxygen into your blood, aids in weight loss, improves vasodilation (widening of blood vessels), boosts your athletic performance & energy, reduces exercise-induced accumulation of plasma lactate and ammonia, enhances focus, decreases blood pressure, enhances the release of Human Growth Hormone and other key hormones, promotes wound healing, improves erectile function and cardiovascular health & improves sleeping
