l carnitine lower tsh levels Systemic regulation of L-carnitine in nutritional metabolism in zebrafish, Danio rerio L-Carnitine | Linus Pauling Institute
Description
In a review published in the journal Nutrients , researchers found that taking 3 to 4 grams (g) of L-carnitine 60 to 90 minutes before exercise could increase strength and endurance

Although ALCAR exerts antioxidant activities in rodents, it is not known whether taking high doses of ALCAR will have similar effects in humans

& Lai, C

Taking the supplement with food may assist with these side effects
