Our bodies do not make vitamin b12, we consume it in our diet
Many commercial preparations contain additional ingredients such as: Sorbitol or mannitol sugar alcohols used as sweeteners in some tablets that can cause osmotic diarrhoea when consumed in larger quantities, though the amounts in typical supplements are usually too small to cause symptoms alone [13] [14] Binding agents and fillers including lactose, which may cause symptoms in people with lactose intolerance, though tablet quantities are typically small Other additives various excipients that some individuals may be sensitive to The dose and frequency of supplementation may also influence tolerability
A slowed metabolism and weight gain can occur for a variety of reasons, such as not eating enough calories, too much cortisol, high insulin levels, or thyroid problems
Deficiency: Why Your Schedule is Different Its important to understand that a B12 schedule for wellness looks quite different from one designed to treat a clinical deficiency
Vitamin B12 is essential for keeping your brain, nervous system, and red blood cells healthy