Tirzepatide (Mounjaro, Zepbound) is a dual GIP/GLP-1 agonist
It is engineered to stay in the bloodstream longer, enabling once-weekly injections
[9] High-dose niacin (used to treat cholesterol) lacks human safety data in pregnancy and could theoretically affect the fetus (for example, by causing hypotension or altering lipid metabolism)
Presented for research literature review only Arendt J (1978)
A phase 2, 16-week, open-label study in 18 subjects ranging from 6 to 40 years of age results in a mean BMI reduction of 18% in those younger than 18 years, and 6% for those 18 years or older, accompanied by significant reduction of hunger scores (127)
They are different molecules with different roles glutathione a tripeptide antioxidant, vitamin C (ascorbic acid) a separate one and a spec should treat them as such rather than blur them into a single "brightening" idea