B12 is a water-soluble vitamin, it is primarily found in animal based foods like fish, poultry, eggs, meats and dairy. It is involved in metabolism with every cell in the human body and has a significant impact on DNA synthesis, energy production, nerve cell health, red blood cell formation, and neurological function. Basically, it makes us feel great and healthy. Many people are risk for low Vitamin B12 without even knowing it. Risk factors may include low Vitamin B12 diet, the body’s inability to absorb it from foods, or if there is a genetic mutation that limit’s the body to process the vitamin effectively. When there is a deficiency, it may cause common signs and symptoms like weakness and fatigue, pale or yellowing of the skin, difficulty in maintaining balance, mood changes, frequent headaches, or vision changes.