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Gamma-glutamyl compounds: substrate specificity of gamma-glutamyl transpeptidase enzymes

Note: This product is for research purposes only and not for human consumption

Each capsule is produced under rigorous quality standards using high-purity research materials and is independently verified through HPLC and LC-MS testing to help ensure consistency, identity, and analytical reliability

Even if a person is not deficient in Vitamin B12, as defined by a blood test, the symptoms of a B12 deficiency may include: Feeling weak or tired Problems with vision Headaches Pins and needles Reduced mental functions Wish to check you vitamin B12 levels