- 1 Why do I need B12 injections?
- 2 What do B12 shots help with?
- 3 When should you get a B12 shot?
- 4 How often can you get B12 shots for energy?
- 5 How long does a B12 injection last?
- 6 Do B12 injections help you lose weight?
- 7 What medications should not be taken with B12?
- 8 What are the side effects of a vitamin B12 shot?
- 9 How much weight can you lose with B12 injections?
- 10 How do you know if your B12 is low?
- 11 What happens when your vitamin B12 is low?
- 12 How does B12 injection make you feel?
- 13 What does a B12 injection feel like?
- 14 Can you inject yourself with B12?
Why do I need B12 injections?
Vitamin B12 Shots Are Very Effective
An untreated vitamin B12 deficiency can lead to neurological problems or pernicious anemia, which occurs when your body doesn’t have enough B12 to produce the amount of red blood cells it needs ( 16 ). Vitamin B12 shots are the most common way to prevent or treat a deficiency.
What do B12 shots help with?
Advocates for vitamin B12 injections say the shots can: Increase energy levels and combat fatigue. Speed up metabolism. Help improve sleep patterns.
When should you get a B12 shot?
The usual dose for pernicious anemia-associated vitamin B12 deficiency is 100 mcg given as an injection into the muscle or under the skin once daily for 6-7 days. Then the dose may be given every other day for 7 doses followed by every 3-4 days for around 3 weeks. Then, 100 mcg should be injected every month for life.
How often can you get B12 shots for energy?
B12 may be injected into a muscle or under the skin at 100 mcg daily for a week, every other day for another week, and then every three or four days for a month. Thereafter, 100 mcg should be injected once a month for life.
How long does a B12 injection last?
How long will the effects of a B12 shot last? The effects of our shots vary between individuals. Most people feel the effects for about one week.
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.
What medications should not be taken with B12?
Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers
What are the side effects of a vitamin B12 shot?
Pain/redness at the injection site, mild diarrhea, itching, or a feeling of swelling all over the body may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
How much weight can you lose with B12 injections?
“There’s no solid evidence that vitamin B12 injections aid weight loss. … Some weight–loss clinics offer vitamin B12 injections as part of their weight–loss programs. Proponents of vitamin B12 injections say the shots give you more energy and boost your metabolism, helping you shed unwanted pounds.
How do you know if your B12 is low?
Symptoms of Vitamin B12 Deficiency
- Weakness, tiredness, or lightheadedness.
- Heart palpitations and shortness of breath.
- Pale skin.
- A smooth tongue.
- Constipation, diarrhea, loss of appetite, or gas.
- Nerve problems like numbness or tingling, muscle weakness, and problems walking.
- Vision loss.
What happens when your vitamin B12 is low?
Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired. Vitamin B12 deficiency can cause damage to your nerves and can affect memory and thinking.
How does B12 injection make you feel?
A few mild side effects are associated with the B12 shots, including pain or redness at the injection site, mild diarrhea, itching, or swelling. While these symptoms are usually nothing to worry about, you are advised to contact your health care professional if they persist or worsen.
What does a B12 injection feel like?
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.
Can you inject yourself with B12?
The thigh is the most common injection site for intramuscular self-injections, but one may also inject the vitamin B12 shot at the shoulder and the upper buttocks. Experienced doctors commonly give a B12 shot in the deltoid muscle, but this is more difficult to do if you are just learning.