adverse reaction to b12 injection What Are Injections? And Are They Safe? Oral Vitamin B12 Side Effects
Description
This may explain why so many people say they feel amazing when taking vitamin B12 shots and injections even if they were taking oral forms of vitamin B12 previously

The larger trial didnt hold up well enough for pharmaceutical development to continue

Waist measurements and skinfold calipers provide more reliable data than the scale for individuals at lower body fat percentages
It has been proposed that there is a higher incidence of FISS in siblings of affected cats, and that some cats tend to develop more than one FISS

[1] [2] While high-dose oral B12 supplements can be effective through passive diffusion, they are not routinely recommended for pernicious anaemia management in UK practice