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s-acetyl glutathione bioavailability study human Synergy | Superior Supplement Products - Science First S-Acetyl-L-glutathione: Physiological Roles and Pharmacokinetic
Description
Patients with Leber hereditary optic neuropathy should not take methyl B12, since this disease can get worse with high methyl B12 levels

HOW QUICKLY WILL WE SEE CHANGES

Not as a magic bullet

Since it bypasses the digestive tract, its primary weakness (gastric instability) is irrelevant in this context

Mortensen JH, Manon-Jensen T, Jensen MD, Hgglund P, Klinge LG, Kjeldsen J, et al

In this case report, the neurological symptoms seemed to be due to hyperammonemia rather than elevated MMA concentration
