Yes, there are vegetarian sources for the requirement of glutathione in the form of vegetables, fruits, nuts, legumes, and sulfur-containing foods from plants such as garlic and onion
Rahman, Environmental toxicity, redox signaling and lung inflammation: The role of glutathione Molecular Aspects of Medicine, 2009
A clinical study published at the NIH shows that B12 shots are used to treat neuropathynerve damage that causes tingling or numbnessresulting from long-term deficiency Medical necessity vs
The reaction mixture (DHA) contained 90 mM potassium buffer with phosphate (pH 7.0), 12.5 mM glutathione reductase (GSH), 0.178 mM EDTA, 0.1 mM enzymes extract, and 1 mM dehydroascorbate
As an antioxidant, glutathione has the ability to neutralize free radicals, which are unstable molecules that can damage cells and contribute to the aging process
They damage cell membranes, proteins, and DNA