- People with active or recent cancer history (the trial record contains a small number of cancers in the 12-week oral arm
If symptoms do not begin to clear after 5 minutes, give a second injection if one is available
A randomized controlled trial in 167 older adults (50 years) found two-year supplementation with vitamin B 12 (10 g/day), along with folic acid (200 g/day), vitamin B6 (10 mg/day), riboflavin (5 mg/day), and vitamin D (10 g/day), had no effect on bone mineral density (total hip, femoral neck, or lumbar spine) compared to the control group only receiving vitamin D (10 g/day ) (116)
Basic and Applied Zoology, 81, 110
Long-term effects of folic acid and vitamin-B12 supplementation on fracture risk and cardiovascular disease: Extended follow-up of the B-PROOF trial
If youre new to giving yourself B12 injections , the process can feel intimidating