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Summary: Feeling worse after a B12 injection typically reflects your body adjusting to replenished vitamin levels, triggering metabolic processes that may temporarily cause fatigue, headaches, or injection site discomfort
Any Side Effects to Know About
Side effects are typically mild injection-site reactions, flushing, increased heart rate, nausea, headache
More Energy and Focus B vitamins and amino acids fuel your metabolism, helping your body convert food into energy more efficiently
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