vitamin b12 injection or tablet which is better Injections vs Oral Supplements: are more effective? Vitamin B-12 Injections Vs Oral

Injection of B12 is safe, simple, and cheaper

[4] However, consistently taking large amounts of vitamins from multiple sources could potentially increase the risk of side effects (for example, very high vitamin B intake from multiple supplements over time can cause neuropathy, and high niacin from many sources could affect your liver)

In the United Kingdom, vitamin B12 deficiency is relatively common, with prevalence varying depending on the population studied and the biochemical threshold used for diagnosis

The recommended daily intake of vitamin B12 is 2.4 micrograms per day, but not many of us manage to rise to the challenge