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What formulation science says about compatibility

Vitamin B12 is abundant in many foods from different food groups

Bull N Y Acad Med 55: 591-599

A vitamin B12 injection delivers hydroxocobalamin a coenzyme form of B12 directly into the muscle tissue as an intramuscular injection, typically into the upper arm
The WADA Prohibited List identifies those substances and methods that are prohibited at all times (both in-competition and out-of-competition), only in-competition, and only in specific sports
