do you need a prescription for b12 injections Vitamin energy metabolism what are vitamin b12 injections

Its both selective and membrane-permeabletwo critical qualities for any compound designed to work at a cellular level

It also plays a big role in keeping your brain working well

While some places might market it for general energy boosts or weight loss, if your B12 levels are already normal, there's little scientific proof that these injections will give you a significant energy rush or help you lose weight

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Additionally, B12 is involved in the metabolism of homocysteine, an amino acid that, when elevated, can increase the risk of heart disease

While B12 shots are often available over the counter, some jurisdictions classify them as prescription medications