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Published half-lives are central tendencies drawn from defined study populations, usually healthy adults under controlled conditions
Timing: Morning administration preferred
B12 shots bypass GI absorption problems and deliver methylcobalamin (the active form) directly to your cells, making them far superior to oral B12 if you have any digestive issues or take acid-blocking medications
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It is banned at all times, in-competition and out-of-competition (WADA 2026 Prohibited List)
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