b12 injections review Are Vitamin booster shots worth it? Oral vitamin B12 versus intramuscular
Description
But because everyone responds differently, you may need several injections to experience optimal results
2012 Jun 8;12(2):3238
Injections may be needed for severe deficiencies (only under medical supervision)
The signs you may need B12 supplementation include persistent fatigue, neurological changes, and blood-related abnormalities
