B12 or cobalmin is a nutrient vital to our body. It is needed so that our body can make DNA in the cell division process of making DNA, and to form healthy red blood cells. It’s also called the energy vitamin because it really gives your energy a boost. It also speeds up your metabolism, which just might be its secret to weight loss.When B12 is given through injection form it is absorbed directly into the muscle. Because B12 speeds up your metabolism it can increase your weight loss. The shots also provide a terrific boost of energy, which helps people on a diet better maintain their diet and stay motivated to exercise. B12 also helps with depression and stress, which are associated with weight gain.When you are begin a weight loss program it’s very important that you are eating balance meals and getting the proper nutrient, including B12, which can be found in poultry, meat, fish, eggs, milk, and dairy products.B12 is an essential water-soluble so that body cannot store it. However, deficiency is not common unless there is illness or old age; also vegetarians tend to have a deficiency more often.B12 shots can be very beneficial however there can be negative side effects if taken for too long and there are also some risks if you have certain pre-existing conditions, which is why you should always consult your doctor before having B12 shots. B12 can be safely taken as a pill supplement.A deficiency in B12 can cause weight loss, nerve damage, muscle weakness, anemia, fatigue, shortness of breath, and dizziness. Studies have shown that B12 can also cause more serious risk serious health threats such as Alzheimer’s, cardiovascular disease, or even breast cancer. Taken a supplement will correct the problem.There are other vitamins that can help with weight loss. They include Vitamin B3, B2, B6, B5, and even Vitamin C. A regular multivitamin can also make sure you are getting the proper vitamins during your diet.