welcome to HCM
Read your prob, gluthaion is noyhing but a antioxidant which reduse free radicals from our body n keep our skin ,organ healthy. along with its antioxidant effect it reduse synthesis of melanin
in skin n reduse darkness of skin with in a limit. it only reduse darkness not make skin white or fair. its no side effect in pregnancy
so you can take it during pregnancy.
Dr aseem saraswat