Both injection types are far more effective at raising B12 levels than oral supplements, but the best method really depends on your individual needs
This isnt just a minor detailpicking the right needle and syringe is key to making the injection safe, effective, and as comfortable as possible
In terms of weight loss, if you have a vitamin B12 deficiency, which is likely, you will lose some of the vitamin B12 shot in the first 48 hours, but at least 50% of it will be stored in your liver
To put it in context, nicotinamide has shown signs of liver toxicity only at doses around 3,000 mg per day or higher
Thinning skin, vasculitis, purpuric dermatosis, platelet deficiency, liver disease, vitamin K deficiency, vitamin C deficiency, moving your body during the injection, or dehydration may also cause bruising