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This restoration of metabolic cofactor availability enables enhanced function of NAD+-dependent enzymes including sirtuins, poly(ADP-ribose) polymerases, and various deacetylases that regulate cellular metabolism, stress responses, and aging processes

Not classified as therapeutic goods

If you have MTHFR gene mutations (common in thyroid patients), cyanocobalamin may be particularly ineffective for you, making methylcobalamin even more important

A vial that has been left in the light may no longer deliver the full dose

Aggregated peptides pose a particular concern

Thigh : A good option if you want to alternate sites or experience tenderness in other areas