glutathione bac water 10 ml TM BioWater™ Glutathione — 1500mg | Peak

A vial that looks pink and clear on day 35 might have significantly reduced potency compared to day 1

To prevent degradation, we follow these industry-standard guidelines: Temperature Control: Once reconstituted with bacteriostatic water for peptides , the vial should be stored in a refrigerator at 2-8C (36-46F)

If switching the route of administration and dosage don't help, you may also have like a substrate issue

For B12 Deficiency If you have a vitamin B12 deficiency, the initial dose is usually 30mcg injected under the skin or into the muscle every day for between 5 and 10 days to boost levels of B12 quickly