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Folic acid also activates vitamin B12. Thus, only by mixing all three active ingredients shortly before the injection does the active build-up formula arise, which so effectively supports the energy-generating processes in the body

Clinical guidance for intramuscular injections points to a 22 to 25 gauge needle, given at a 90-degree angle, with the length chosen so it reaches muscle without going too deep

Injection: A small, quick injection is given in the muscle, typically in the upper arm or thigh