glutathione and nac N-Acetyl Cysteine (NAC) The Super Antioxidants: Glutathione And
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doi: 10.1210/en.20070576 174 PeetersKLangoucheLVandesandeFDarrasVMBerghmanLR

2012 Nov-Dec;69(6):1303-6

B12 shots restore energy at the source not just mask it like caffeine does

Sustained Levels : While oral glutathione provides gradual, low-level increases, IV therapy creates sustained therapeutic levels that can last weeks to months

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