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However, your body cannot produce vitamin B12 on its own
It's essential to provide clean, safe, and disease-free water
Biochem J
Heat and freezing are not, and both can end a vial's usable life well before its printed date
however, more research is needed to further deter-mine if exercise increases the need for folate and vitamin B-12 6 Dosage for Pre-Workout Given the lack of successful studies, there is no recommended dosage for vitamin B12 as a pre-workout aid Pre-workout formulas supply anywhere from 1.2 to 50 mcg of vitamin B12 per serving Standalone vitamin B12 supplements offer doses ranging from 500 to 6000 mcg Side Effects Vitamin B12 may cause diarrhea and other minor side effects in some people, but is otherwise perfectly safe
SC (subcutaneous): less commonly used in foundational rodent studies but present in some protocols
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