Good food sources of glutathione include sulfur rich foods such as cruciferous vegetables (broccoli, cauliflower, cabbage, bok choy, kale, mustard, collard greens, radish, turnip, and arugula)
There's not much information out there on the drugs' effectiveness and even less on their safety
Dose and route discussion belongs to the community sources covered later, not to any validated human protocol
B12 is also part of the wider B-vitamin family, and if you are weighing how the B vitamins relate, our explainer on how the B-vitamin family relates, comparing NAD precursors with niacin and niacinamide is a useful companion read
Dosage: For optimal results, a daily dosage of 5001000 mcg is suggested, with the flexibility to adjust based on individual needs and injury severity