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Allergies After introducing the glutathione directly into your bloodstream, you could experience redness, skin irritation, or other symptoms, such as lack of breath
Most Common Glutathione (GSH) Side Effects Irritation at the injection site Gastrointestinal discomfort (nausea, bloating, cramping) A rotten egg (sulfur) taste in the mouth, usually mild If irritation at the injection site occurs, you can consider alternating injection sites on the body, apply an over-the-counter itch cream (preferably with hydrocortisone), use injections less frequently, or discontinue use entirely
Glycine N-methyltransferase and regulation of S-adenosylmethionine levels