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Vitamin B12 significantly impacts the synthesis of energy and the development of red blood cells

Some more severe, but rare, side effects that can occur are low potassium levels, muscle cramps, irregular heartbeat, chest pains, or blurred vision

The Vegan Society and NHS recommend daily oral supplementation of 50150 micrograms or consumption of fortified plant-based foods to prevent deficiency

Vitamin B12 is an essential nutrient that is important for the health of the nervous system, the production of red blood cells, and the functioning of many other processes in the body

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