l-carnitine muscle and fitness Amazing L-Carnitine, Lemon Lime Flavor - 16 fl. oz (473 ml) - Amazing Nutrition Nutrex Liquid Carnitine 3000 is perfect for athletes L-Carnitine 5000 - EC Sports
Description
L-menthol was added as a gatekeeper since it had a reversible solid-liquid transition, making it a good candidate for entrapping the active pharmaceutical ingredient (API)

As for safety, the mid-stage trial found Ziihera to be well-tolerated, with only two patients discontinuing treatment due to toxicities

K., Goldstein, D., Pirola, R

These patients might also be subject to higher risk of ferroptosis