Glucagon: Raises blood sugar by stimulating glucose release from the liver
Topical vitamin C, on the other hand, can help improve skin tone, soften the appearance of lines, renew collagen production, and treat hyperpigmentation though definitive studies are limited, and stable versions of even reliable vitamin C derivatives are elusive
Some peptide products are sold for research purposes or compounded under varying standards, which may affect purity, consistency, and sterility
semaglutide: Weight loss Semaglutide delivers stronger, longer-lasting weight loss than phentermine, though it costs more and requires injections
The new experience rolls out globally starting December 26, 2025.