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Vitamin B12 (also known as cobalamin) is a water-soluble vitamin that plays a key role in: Normal red blood cell formation Normal energy-yielding metabolism Function of the nervous system Reduction of tiredness and fatigue DNA synthesis Normal psychological function In the UK, these are recognised health claims for vitamin B12 under authorised nutrition and health regulations

Lyophilized Retatrutide is stored cold (typically -20C), kept dry and away from light

Why would I give someone something I can't give them safely

In the end, choosing between methylcobalamin and cyanocobalamin should match your health goals and what your doctor recommends