That means some supplement products may not contain what the label says.
They include:
How Much B12 Should You Be Getting Each Day?
To reap the benefits of B12 within the body, youll have to get enough of the essential nutrient.
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When looking at vitamin B12 levels, its hard to say how much is too much.
Your body will use what it needs and then expel the rest.
Can Too Much B12 Cause Side Effects?
Can People Have High Vitamin B12 Blood Levels?
What If You Have Low B12 Levels?
Vitamin B12 deficiencies can be detrimental to ones overall health.
Summary
Vitamin B12 is an essential nutrient vital for many bodily processes.
There is no clinical evidence of side effects from taking too much.
The vitamin is water soluble, so anything the body doesn’t use is expelled through the urine.
This means it cannot build up within the body to dangerous levels.
National Institutes of Health.Vitamin B12 - Fact Sheet for Health Professionals.
U.S. Food and Drug Administration.GRAS Substances (SCOGS) Database-Vitamin B12.
Updated June 25, 2019.
Office of Dietary Supplements.Vitamin B12.
Mount Sinai.Vitamin B12 level.
2020;3(1):e1919274.
Published 2020 Jan 3. doi:10.1001/jamanetworkopen.2019.19274
Johns Hopkins Medicine.Vitamin B12 deficiency anemia.
UK National Health Service.Vitamin B12 or folate deficiency complications.
Harvard Health Publishing Harvard Medical School.Vitamin B12 deficiency can be sneaky and harmful.
National Institutes of Health Office of Dietary Supplements.Vitamin B12 fact sheet for health professionals.