subcutaneous injection sites for b12 Best Vitamin Site: Administering B12 Shots Compounded Cyanocobalamin (Vitamin B12) Injection
Description
Injections can be weekly while refills are made on follow-ups.

However, a study found that taking 1,000 mcg of B12 by mouth or injecting the vitamin achieved similar results in treating the deficiencies

Will my B12 deficiency symptoms go away if I stop using nitrous oxide
Early animal studies showed significant fat loss without adverse metabolic effects

And lets not forget the added bonus of more energy and improved overall well-being