How much vitamin b12 is in an injection?
For vitamin B12 deficiency: The usual dose is 30 mcg as an injection into the muscle or under the skin daily for 5-10 days.
For maintenance therapy, 100-200 mcg once monthly is commonly used.
Both cyanocobalamin and hydroxocobalamin forms are used..
Do b12 injections help you lose weight?
There’s no solid evidence that vitamin B-12 injections aid weight loss. Vitamin B-12 is a water-soluble B complex vitamin found naturally in a variety of foods, including meat, fish and dairy products. Vitamin B-12 is also added to some foods and is available as a dietary supplement.
How do you feel after b12 injections?
A nurse, or possibly a doctor, will usually give you your hydroxocobalamin injection. The injection is given into a muscle (known as an intramuscular injection). You may have some pain, swelling or itching where your injection was given. However this is usually mild and will wear off quite quickly.
How long does a b12 shot last?
Once B12 reserves reach normal levels, injections of vitamin B12 will be needed every one to three months to prevent symptoms from returning.
Where do you inject b12?
The four most common intramuscular injection sites for B12 injections are the shoulder, hip, upper buttocks and the thigh. Doctors commonly choose to give shots in the deltoid (shoulder) muscle, though the gluteus maximus (buttocks) muscle is sometimes used.