oral vs injection b12 Frontiers B12 Injections vs Supplements: Which
Description
I think they have some benefit, but youre not going to see massive results and you definitely arent going to reverse 20 years of ageing with some light bulbs

When CMS chooses to apply one or more remedies specified in 488.1220, the remedies would be applied on the basis of noncompliance with one or more conditions of participation and may be based on failure to correct previous deficiency findings as evidenced by repeat condition-level deficiencies

However, several reports highlight that while generally safe, these injections can sometimes cause adverse effects, most notably hypersensitivity and anaphylactic reactions

Over a few weeks in Nov-Dec 2017 I manifested symptoms of fatigue, weakness, severe night sweats, erratic high and low blood pressure, headaches and chest pain (one time so bad I went to the ER thinking I was having a heart attack)

The impact of leucine supplementation on body composition and glucose tolerance following energy restriction: an 8-week RCT in adults at risk of the metabolic syndrome

doi: 10.1093/jn/nxy140, [DOI] [PubMed] [Google Scholar] 72.Yi X, Yang Y, Li T, Li M, Yao T, Hu G, et al
