12. Weight maintenance
With more than 60% of the population being overweight anything that can help maintain an ideal body weight is sure to attract attention. A deficiency of Vitamin B12, which is commonplace today, is thought to play a role. Because Vitamin B12 is essential in ensuring the normal metabolism of food and in energy production, it is thought that a deficiency can lead to overeating. The theory is that the body will try to compensate for the lack of energy by increasing the desire to eat. Increasing the levels of B12 will reduce these carvings and lead to weight loss.