Question: How Do You Know If Your B12 Is Low?

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 do you test for b12 deficiency?

Tests ordered to diagnose or monitor B12 and folate deficiencies:CBC—the complete blood count (CBC) is a group of tests ordered routinely to evaluate the health of blood cells. … B12 blood level—if low, a deficiency is indicated, but it does not identify the cause.More items…•

What is the best b12 supplement?

B NOW Foods B12.B Nature’s Bounty Super Strength Liquid B12.B Seeking Health Active B12.B Garden of Life Mykind Organics B12 Spray.B Kirkland Signature Quick Dissolve B12.B Vitafusion Energy B12 Gummy Vitamins.B Deva Vegan B12.B MegaFood Vegan B12.More items…

Can low b12 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. … On the other hand, a vitamin B12 deficiency appears to cause a loss of appetite in some people, leading to weight loss rather than weight gain ( 7 , 8 ).

How can I raise my b12 levels fast?

To increase the amount of vitamin B12 in your diet, eat more of foods that contain it, such as:Beef, liver, and chicken.Fish and shellfish such as trout, salmon, tuna fish, and clams.Fortified breakfast cereal.Low-fat milk, yogurt, and cheese.Eggs.

How long does it take to recover from b12 deficiency?

Recovery from vitamin B12 deficiency takes time and you may not experience any improvement during the first few months of treatment. Improvement may be gradual and may continue for up to six to 12 months.

How long does it take for b12 supplements to work?

A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells. Once B12 reserves reach normal levels, injections of vitamin B12 will be needed every one to three months to prevent symptoms from returning.

Is it OK to take vitamin b12 at night?

Be sure to tell your doctor if you take folic acid. You may need to take vitamin B-12 separately from the above drugs and supplements — say, one in the morning and one at night — so you can get the full dose of vitamin B-12. … Vitamin B-12 is safe to take in recommended dosages if you’re pregnant or breastfeeding.

Do vitamin b12 tablets work?

For many people with low B12 levels, a daily supplement in the form of a pill is as effective as taking a monthly muscle injection. … If the stomach does not produce enough acid, the body does not absorb B12 from food very well, but it can still easily absorb the B12 in an oral supplement.