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The thigh, buttocks, or upper arm are the best spots due to their muscle depth and ease of access
One study found that after injecting high doses of vitamin B12 (specifically cyanocobalamin) into rodents, the B12 stayed in the bloodstream for a relatively short period, with a half-life ranging from 20 to 50 minutes
Further positive outcome appears in the corticosteroid animals with severe burns (Mikus et al., 2001
Researchers are responsible for compliance with all applicable local, state, and federal regulations
Best results are achieved alongside a healthy diet and consistent exercise
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