glutathione glutamate metabolism Figure 2 from Regulation of neuronal synthesis The Glutamate–Glutathione axis in neuropsychiatric
Description
Studies were restricted to human subjects utilizing glutathione for body skin lightening, irrespective of the route of administration (oral, intravenous, or topical)

A more recent nested case-control study within the Nurses Health Study II reported a positive association between plasma concentrations of vitamin B 12 and breast cancer risk

Alaneme, K

Kinohimitsu ProWhite A powdered glutathione supplement combining collagen peptides, marketed for skin brightening

RHEUMATOLOGY 64 (6), 35003508

However, some potential risks include: Injection Site Discomfort: Bruising, swelling, or redness at the IV or IM injection site
