In head-to-head comparisons, Tirzepatide has been shown to achieve superior reductions in both HbA1c and body weight, though it may also have a more complex receptor interaction profile (Heise et al.)
Aging Cell 2009
The general adult daily intake sits around 30mcg, though many hair, skin, and nails formulas use higher doses aimed at short-term support
J Toxicol Environ Health B Crit Rev 9:485499 Kim HW, Cho SC, Kim JW, Cho IH, Kim SA, Park M, Cho EJ, Yoo HJ (2009) Family-based association study between NOS-I and -IIA polymorphisms and autism spectrum disorders in Korean trios
If you want a broader overview of the medication itself, our tirzepatide for weight loss guide is a helpful place to start
But the other lifters kept failing