tesamorelin and aod9604 Peptides – Healthy Living Medical Peptides for Weight Loss Explained:
Description
This is ideal if you have a severe deficiency and in need of fast B12 level increased

If you notice any adverse effects after you start taking vitamin B12 supplements, you should discontinue use immediately
doi: 10.1016/s0960-894x(99)00316-9

Just taking large amounts of B12 supplements does not mean that your body will be able to use all of it
