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Clinical trials test 0.16 to 4.5 mg subcutaneously once weekly (Lau 2021, Lancet)

For athletes and competitors, remember both compounds are prohibited under WADAs S0 category, and neither is FDA-approved for human use

Improved Mental Clarity Adequate B12 levels support brain function, helping with focus, concentration, and reducing brain fog. 3

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"Catecholamine reuptake inhibition causes weight loss by increasing locomotor activity and thermogenesis." Neuropsychopharmacology

However, therapeutic doses for treating deficiency range from high-dose oral supplements (1,0002,000 g daily) to intramuscular injections of 1 mg, particularly for pernicious anaemia or malabsorption conditions