all about kirei glutathione with collagen, vitamin C and E Kirei Glutathione Skin Whitening Capsules

Research has even suggested that immunological functions in diseases that are associated with a cysteine and glutathione deficiency may be significantly enhanced and potentially restored by L-cysteine supplementation

[DOI] [PMC free article] [PubMed] [Google Scholar] 155.Alster T.S., Graham P.M

Possible Side Effects Mild digestive discomfort with oral supplements Skin rashes in rare cases Kidney strain with very high doses taken long-term Risk of infection or adverse reaction if IV is administered without proper sterile protocol Who Should Avoid It Pregnant or breastfeeding women People with asthma (high doses may trigger bronchospasm) Anyone with a known sensitivity to sulphur compounds Those with pre-existing kidney or liver conditions The risks are largely manageable under proper supervision

If your test results indicate high levels of vitamin B12, its important to consult your doctor for advice

Noble M, Mayer-Prschel M, Prschel C