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Laboratory bodies advise documenting haematological conditions when requesting HbA1c

It addresses functional B-vitamin insufficiency, particularly during periods of stress or increased metabolic demand, while avoiding imbalance that can occur when single B vitamins are given in isolation

de Ligt KM, Heins M, Verloop J, Ezendam N, Smorenburg CH, Korevaar JC, et al

This is good, but it can also help cancer cells grow

The resulting increase in intracellular NAD+ availability activates sirtuins particularly SIRT1, which regulates insulin sensitivity, gluconeogenesis, cholesterol synthesis, and fatty acid oxidation, and SIRT3, which governs mitochondrial antioxidant defences and energy metabolism

It stimulates serotonin production, contributes to red blood cell formation, supports immune function, and maintains a positive mood