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do you need a prescription for b12 injections in canada Affordable Cyanocobalamin Ampoule 1000 mcg/ml to Treat Deficiency Vitamin Cobalamin (vitamin B12) and Folate
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Zittel TT, Zeeb B, Maier GW, et al

The Myth of B12 as a Performance Enhancer The Mayo Clinic weighs in definitively on this topic: Some researchers have studied vitamin B-12 to find out if it can raise energy and endurance during exercise

Gabriela Spulber, Clinical geriatrics, Karolinska Institutet, Sweden

Vitamin B12 is crucial for red blood cell production, which in turn helps with oxygen circulation throughout your body
