Note that this was just supplementation alone and not combined with weight lifting or exercise.[ref] In a study involving both young athletes and untrained, middle-aged adults, carnitine supplementation increased carnitine levels in the muscles.[ref] For acute aerobic performance, oral supplementation with 1-3g/day of carnitine gives a slight edge, but it doesnt affect more moderate intensity athletic performance.[ref] Supplemental L-carnitine in old age: Access this content: An active subscription is required to access this content
For 20 units with a 2.5 mg/mL concentration: (20 / 100) x 2.5 = 0.5 mg
But dosing alone does not determine outcomes
That is an awkward number
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Understanding the unique benefits of each form can help you make an informed decision that aligns with your needs