Weve seen websites sell B12 without clear documentation or quality control, and some appear to source it from Alibaba.com
However, in a subanalysis of participants with low vitamin B 12 status at baseline (n= 101), the B-vitamin supplementation slowed the decline in bone mineral density (total hip and femoral neck but not lumbar spine) (116)
Vitamin injections may be right for you if you are tired, stressed out, unable to sleep or have been exposed to people who are sick
For keeping up the treatment, doses are usually given weekly to monthly
The frequency of B12 injections depends on individual needs and medical advice
If you're in a risk group reduced food intake on GLP-1s, plant-based diet, long-term metformin or PPI use, over 50 and fatigue is dragging you down, checking your B12 is one of the highest-ROI moves you can make