glutathione is vitamin 25% C + Clinical Serum Combining Glutathione and Vitamin C:

Each component has been independently studied for its potential roles in cellular protection, tissue remodeling, and biological regulation

Storage Store dry powder at 68F to 77F (20C to 25C) and away from heat, moisture and light

For example, a clinical study found that oral glutathione reduced melanin index significantly after 3 months of supplementation (NIH)

Avoid products with unclear labeling or dubious manufacturing practices

Products are intended for cosmetic skincare use only and are not designed to treat medical skin conditions

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