vitamin b12 tablet or injection which is better Bacteriostatic water for injection B12 Injections vs. Oral Supplements:

While the injections can indeed improve energy levels in those with a deficiency, it is essential to note that they are unlikely to provide significant benefits for individuals with normal B12 levels

While convenient, it's important to note that only about 50-60% of the vitamin is absorbed when taken orally

Migraines Although there is no concrete research forging a direct link between migraines and B12 injections, those with migraines can benefit from Vitamin B12 injections since high Vitamin B12 levels can help with high levels of homocysteine, and thus, reduce the intensity of the migraine

The answer unfolds uniquely for each individual, influenced by a tapestry of factors

medRxiv , 2023.2004.2013.23288227 (2023)