We dont have much data yet, but one study from late in 2025, which compared tirzepatide to both transdermal (through the skin) testosterone and placebo, made an argument worth considering: Authors La Vignera & colleagues argued that tirzepatide may be effective in improving both metabolic parameters, ED, and gonadal hormone levels in patients with obesity and metabolic hypogonadism, also known as low testosterone levels
Converting between them requires knowing your vial concentration, understanding basic math, and having a reliable reference chart you can trust
M.PouponR.SchrammC.et al (2018)
Although dietary calcium restriction was previously thought to lower urine calcium and calcium-containing stone risk, evidence from multiple large observational studies and a randomized controlled trial has shown that calcium restriction does not prevent stone formation (Friedlander 2015)
Eli Lilly followed with Zepbound in November 2023