video b12 injection How to Give a Injection: Step-By-Step Instructions B12 deficiency, patient safety and
Description
Even mega-doses in the range of 15-20 grams daily show no serious adverse effects in most individuals

Vitamin B12, also known as cobalamin, is a water-soluble vitamin that plays a critical role in maintaining the health of your nerves, blood cells, and DNA production
Maintenance Dosing Guidelines After the initial treatment, patients need maintenance dosing to keep vitamin B12 levels up

They also arent even used in the same way prescription and over-the-counter medications are
Eat slowly