Some of the most common ingredients include: Niacinamide (Vitamin B3): One of the most researched ingredients in skincare, niacinamide helps inhibit melanin production, improving skin texture and tone
Its comprised mostly of three amino acids: glutamine, glycine, and cysteine
Both peptides appear frequently in preclinical studies on tissue repair, and both are popular subjects in regenerative medicine research
Available evidence suggests no absolute contraindication, yet individual tolerability varies based on bile acid metabolism efficiency, pancreatic reserve, and underlying digestive symptoms prior to GLP-1 initiation
Others may describe feeling wired but tired, emotionally fragile, or overstimulated in response to normal sensory input