Cyanocobalamin injection is commonly used for vitamin B12 deficiency related to pernicious anemia, dietary deficiency, gastrointestinal conditions, or surgeries that reduce absorption
Anyone selling you a precise human bioavailability figure is guessing
As this product is a specific blend, it does not have a single CAS number
Vitamin B12 injections, why not just take the pills and why would I bother about B12 injections? Actually, I thought and felt exactly the same until I had my B12 levels tested, because I always felt exhausted, wasnt sleeping well and was constantly lacking energy to perform normal everyday tasks
Theyre for patients with very low levels of vitamin B12 or certain health issues
Then, they get weekly injections until they start to get better