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NAD+ / SIRT1: Associated with elevated NAD+ and SIRT1 activation in preclinical studies [2] [3]

The vitamin is then transferred to TC2, which serves as the circulating plasma transporter, hereditary defects in the production of TC2 and its receptor may produce functional deficiencies in B 12 and infantile megaloblastic anemia, and abnormal B 12 related biochemistry, even in some cases with normal blood B 12 levels

Vitamin B12 supports red blood cell production and DNA synthesis, and low levels are commonly linked with feline gastrointestinal disease
