injection cyanocobalamin b12 Injection, USP 30000 Mcg/30 mL (1000 Mcg/mL) 30 mL Vial Vitamin B Methylcobalamin 10,000mcg injectable, 10mL (lyophilized)

So what does science say about it

Dosage and Strength : You may encounter different strengths, such as 1,000 mcg or higher, which can determine how frequently you might need the injections

Vitamin B12 Vitamin B12 is very successful in weight loss when it is combined with an appropriate diet and activity plan

Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor