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Related: The Benefits of Vitamin B-12 Vitamin B12 is often presented in food that provides protein as it is bound to it

But if you have enough of it, there is no clear indication that the vitamin helps in weight loss

This can be particularly important when youre addressing a specific concern, such as boosting your immune system during cold and flu season or increasing energy levels when you're feeling run down

The B12 shot gave me a lot of energy

Metformin , the first-line treatment for type 2 diabetes, is associated with reduced B12 levels in approximately 1030% of long-term users

I became a biochemist and health and nutrition are my personal interests