im b12 injections Vitamin Is It Okay To Use

Vitamin B12 (cobalamin) refers to a group of chemically-related cobalt containing molecules involved in cell processes such as DNA synthesis, fatty acid synthesis, energy production and regulation

How much you take really depends on you, the level of B12 in your body, how well your body absorbs that B12, and whether or not you have issues with activating that B12 once it is absorbed

There is more muscle bulk there and if you are particularly slim would be likely just to hit muscle I would have thought

The Lancet Child & Adolescent Health, 3, 803-813

Magnesium Toxicity Warning: Monitor magnesium serum levels and for signs of toxicity