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If you are deficient, B12 shots are of enormous help

The availability of nutrients in the circulation might also have a direct effect on the production of IGF-I

While the peptide demonstrated a favorable safety profile, its development as a prescription obesity medication was discontinued in 2007 after mixed efficacy results in larger trials

As a water-soluble nutrient, the body possesses an efficient mechanism for its excretion: any surplus B12 is readily eliminated through urine, contributing to its remarkably low toxicity profile

If you want a less concentrated solution for easier dosing, you could add 2mL of water for a final concentration of 25mg/mL