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While B12 shots are powerful for deficiency, their role in weight loss or as an energy booster for non-deficient individuals is often misunderstood
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Never discontinue B12 injections without medical advice, even if you feel completely well, as deficiency can recur and cause irreversible neurological damage if left untreated
B12 Shots vs Supplements Vitamin B12 Injections deliver a concentrated dose of B12 directly into the bloodstream, bypassing the digestive system entirely
If you're clearly deficient and start appropriate supplementation or injections, many people notice energy improvements within one to two weeks
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