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Supports blood flow, improves hair density, and nourishes the skin barrier

These medications offer better results than current drugs like semaglutide and tirzepatide

But caloric restriction, combined with the reduced nutrient density of a smaller total food volume, creates conditions where B vitamins including B12 become limiting factors for mitochondrial energy production

Vitamin B12, also known as cobalamin, is a vital nutrient that plays a crucial role in red blood cell formation, DNA synthesis, and neurological function

Metformin may result in suboptimal oral vitamin B12 absorption by competitively blocking the calcium-dependent binding of the intrinsic factor-vitamin B12 complex to its receptor