What is glutathione, and what does the card of this supplement say? — L-Glutathione CAPSULE 100MG N100 - SWANSON (L-Glutathione)

According to the card, glutathione is a sulphur-containing peptide of three amino acids: glutamic acid, cysteine and glycine; the manufacturer calls it a powerful antioxidant that plays a key role in maintaining cell health and protecting the body from free radicals (manufacturer's claim). The card does not explain why to take the supplement. Please note: the composition states «L-glutamine FCC 100 mg per capsule» (in the Estonian description — «L-glutamiini FCC 100 mg»), which differs from the name «L-glutathione»; check the exact name and the amount of the active substance on the packaging. Other ingredients: gelatin, rice flour, magnesium stearate, silicon dioxide. According to the card, do not use the product during pregnancy and breastfeeding; it is not suitable for children; consult a healthcare professional before use.

General information (not a manufacturer's claim): this is a dietary supplement, not a medicine; it does not replace a complete diet, sleep and a healthy lifestyle. The capsules contain gelatin, so they are not suitable for vegetarians.