is b12 injection subcutaneous Vitamin Sites: All You Need to Know Best Vitamin B12 Injection Sites:

Consult your doctor before use if you have a history of allergies, kidney problems, or low potassium

The primary difference is that the vials are only available in 2.5 mg and 5 mg doses, while the pens include those doses as well as 7.5 mg, 10 mg, 12.5 mg, and 15 mg. In clinical trials, patients on the 5 mg dose (maximum dose in single-dose vials) lost an average of 15% of their body weight in a year, while those on the 15 mg dose (maximum dose in single-dose pens) lost an average of 20% in a year

These injections are non-prescription and are used to improve the wellness of individuals/clients

Troy is an injectable solution containing Vitamin B1