- 1 Why do I need B12 injections?
- 2 What do B12 shots help with?
- 3 How do I know if I need B12 injections?
- 4 When should you take B12 injections?
- 5 How long does a B12 injection take to work?
- 6 Who needs B12 injections?
- 7 Do B12 injections help you lose weight?
- 8 What medications should not be taken with B12?
- 9 What are the side effects of a vitamin B12 shot?
- 10 How often can you get B12 shots for energy?
- 11 What does a B12 deficiency tongue look like?
- 12 Can low B12 cause hair loss?
- 13 What to expect after getting a B12 shot?
- 14 Does B12 keep you awake at night?
- 15 Can B12 injections cause weight gain?
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.
How do I know if I need B12 injections?
If you have had neurological symptoms that affect your nervous system, such as numbness or tingling in your hands and feet, caused by a vitamin B12 deficiency, you’ll be referred to a haematologist and may need to have injections every 2 months.
When should you take B12 injections?
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 long does a B12 injection take to work?
When injections first are administered, a patient with severe symptoms may receive five to seven during the first week to restore the body’s reserves of this nutrient. A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells.
Who needs B12 injections?
Who needs B-12 shots?
- People with signs and symptoms of B-12 deficiency. Anyone who is displaying any of the signs and symptoms of a B-12 deficiency or pernicious anemia should consult their doctor immediately.
- B-12 deficiency risk factors.
- People with gastrointestinal issues.
- Older adults.
- Vegetarians and vegans.
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 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.
What does a B12 deficiency tongue look like?
B12 deficiency will also make the tongue sore and beefy-red in color. Glossitis, by causing swelling of the tongue, may also cause the tongue to appear smooth.
Can low B12 cause hair loss?
When vitamin B12 levels are low, your hair follicles may not be able to grow new hair as efficiently, resulting in hair loss. A vitamin B12 deficiency can also cause symptoms of anemia, which is associated with low iron levels, hair thinning, and hair loss.
What to expect after getting a B12 shot?
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.
Does B12 keep you awake at night?
B12 greatly impacts your sleep, too, as studies have linked low levels of the vitamin with insomnia. It also turns out your sleep-wake cycles are regulated by the vitamin.
Can B12 injections cause weight gain?
Despite the numerous processes in which vitamin B12 is involved, there’s little evidence to suggest that it has any influence on weight gain or loss.