intracellular glutathione metabolism (GSH), a powerful antioxidant, plays a 2 Interplay between intracellular cysteine

It typically presents as macrocytic megaloblastic anemia and neurological impairments, including sensory and motor disfunctions, predominantly in the lower extremities, ataxia, and in more advanced stages cognitive decline progressing to dementia, as well as psychiatric disturbances ( Subclinical B12 deficiency, however, is far more prevalent, affecting up to 26% of the general population

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Their growing popularity, especially within the biohacking and bodybuilding communities, comes largely from the fact that they carry significantly fewer side effects and pose less risk of organ damage

( PMID: 10991663 ) Chaudhuri KR, Schapira AH (2009) Nonmotor symptoms of Parkinsons disease: dopaminergic pathophysiology and treatment