giving a b12 injection Shots at Home: How, Where & How Often to Inject Yourself Vitamin B12 Injection Treatment |

This response affects some patients and can manifest in various ways, from fatigue to physical discomfort

This condition reduces oxygen supply to the ovaries

For the BMJ authors, the clinical picture is the most important factor in determining whether someone has B12 deficiency

In a recent review (2018) by the famous Cochrane Institute, it was reported that studies which had been published on this topic only provided very low-quality evidence that oral B12 is as efficacious as intramuscular B12

The Dutch Vegan society has a very informative blog (Dutch only!) about the things you should consider when taking a B12 supplement