l carnitine 2 grams 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 Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition. (2 pack) NOW Acetyl L-Carnitine
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