2,3,4 Before undergoing any treatment, consulting a licensed healthcare provider is recommended to determine if glutathione IM injections are a good fit
Apart from these side effects, you may also experience a few unfavorable after-effects after stopping the intake of glutathione

The following foods have high histamine levels: Alcohol Pickled or canned foods sauerkrauts Matured cheeses Smoked meat products salami, ham, sausage Shellfish Beans and pulses chickpeas, soy beans, peanuts Nuts walnuts, cashew nuts Chocolates and other cocoa based products Vinegar Ready-made meals Salty snacks, sweets with preservatives and artificial colorings The following foods can trigger the release of histamine: Most citric fruits kiwi, lemon, lime, pineapple, plums Cocoa and chocolate Nuts Papaya Beans and pulses Tomatoes Wheat germ Additives benzoate, sulphites, nitrites, glutamate, food dye The following foods can block diamine oxidase (DAO), an enzyme that helps break down histamine: Alcohol Black tea Energy drinks Green tea Mate tea If that seems like a lot of things to avoid, lets shift gears and focus on things that are low in histamine there are still plenty of things to eat
Improves skin texture, hair growth, and tissue repair from within
Redox-sensitive GFP in Arabidopsis thaliana is a quantitative biosensor for the redox potential of the cellular glutathione redox buffer