However, whereas in the case of cyanocobalamin, large quantities of unused B12 were excreted
My B12 Levels were at 172, and the doctors kept insisting that it was my diet that was causing this (baring in mind I eat meat and everything fortified with B12)
Among those single-ingredient supplements are two excellent NMN offerings: NMN 500: a 500mg dose split into two 250mg capsules NMN 900: a 900mg dose packed into a single capsule Choosing between the two is a matter of cost and titration
It also plays a role in energy homeostasis and cellular metabolism
Most protocols target 5 mg/mL, which allows precise dose drawing on a standard insulin syringe without requiring very small volumes (which increase dosing error) or very large volumes (which can cause injection-site discomfort)
If you cant find 4-5 mm needles, 6-8 mm ones can also be suitable as long as you inject into an area with enough fat, such as around the belly button