We discuss the evidence for catalase enzymes, glutathione, iron, para-aminobenzoic acid (PABA), Polygonum multiflorum (He Shou Wu or fo-ti), spermidine (including its effects on longevity), ubiquinone, and vitamins B-5, B-12, and C, as well as the hair products Mayraki and GR-7 , used by "Don't Die" campaigner, Bryan Johnson
There are a number of over-the-counter options that could help ease side effects, however you should speak to a doctor about your side effects if they are not going away and are interfering with your daily life
It is imperative that you have enough Glutathione in your body to carry out this function
A third study tested glutathione lozenges instead of capsules to improve absorption