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l carnitine tablets vs liquid L-Carnitine 3000 | 3000 mg Supplement l carnitine liquid or pill
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Rendon MI, Barkovic S
SAMe application alleviated these injuries in rats that underwent BDL (56)

We further hypothesized that short-term dietary supplementation of two key amino acid precursors of GSH, glycine and cysteine, would increase intracellular GSH synthesis and concentrations and thus lower oxidative stress, despite continuing hyperglycemia

So then there's not a lot of human studies
