(PubMed) Jeulin C, Lewin LM
While results from IV ALA studies are consistently positive, the picture is more mixed when it comes to oral-only supplementation: A four-year randomized trial found no significant improvement in a composite measure of nerve function with 600mg/day of oral ALA compared to placebo
L-Carnitine has been extensively studied for its role in energy homeostasis, substrate utilization, and metabolic flexibility
Over time, this slowdown can create an environment conducive to certain microbes that thrive in stagnation, like methane-producers or those that might predispose to SIBO
Its best for severe cases or when your body cant absorb B12 well
Though the glutathione was rapidly converted to the oxidized form upon absorption, "significantly elevated" levels of the reduced form were detected in subjects' livers 60 minutes after ingestion.20 The company that makes Opitac provided partial funding for the study, but again, the methods appear valid