levotiroksin l carnitine L-carnitine supplementation at doses of 2–4 g/day has been shown in a randomized, double-blind, placebo-controlled trial by Salvatore Benvenga to reverse and prevent symptoms of iatrogenic hyperthyroidism in women receiving TSH-suppressive levothyroxine L-Carnitine — Jo Mar Labs
Description
"L-carnitine for insulin resistance: meta-analysis." Adv Clin Exp Med 2017;26:333-8

Regulation of reverse cholesterol transport and clinical implications

It is also approved kosher and contains no major allergens

Scharenberg, AM
