nih.gov l carnitine & l tartrate are the same thing L-Carnitine is Underrated. New Meta Review Reminds Us Why The Nutraceutical Value of Carnitine
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doi: 10.1016/0006-8993(94)90013-2

J Clin Med Res

Choline and betaine intakes are not associated with cardiovascular disease mortality risk in Japanese men and women

Available in capsule form

The magnesium and selenium contained in it also serve as muscle protection
