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Self-inject into your mid-thigh quadriceps for easy access and safety, or ask someone to inject into your deltoid/shoulder, and ensure you're reaching muscle tissue, not just subcutaneous fat, for optimal results
Vegans and vegetarians are especially likely to be low on B12 because B12 is only naturally present in animal products and meat
These figures describe published research handling only and are provided strictly for research-use-only purposes
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