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All of the vitamin B12 absorption calculations we use give doses that are sufficient regardless of whether food is consumed with the B12
treated people suffering from severe B12 malabsorption with 2,000 g of cyanocobalamin per day (Kuzminski, 1998)
Heavy NNMT activity means less NAD+ salvage, lower NAD+ pools, and reduced sirtuin activity
Anyone with fatigue, vegetarians/vegans, people with absorption issues, or those wanting a safe energy boost
Exercise regularly - Physical activity improves circulation and nutrient absorption
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