What does fact checked mean?
At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Our team periodically reviews articles in order to ensure content quality. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data.
- National Institutes of Health Office of Dietary Supplements: Vitamin B12
- MayoClinic.com; Anemia: Symptoms; Mayo Clinic Staff; February 2011
- "International Journal of Trichology"; Aging of the Hair Follicle Pigmentation System; D Tobin; 2009
- "International Journal of Trichology"; Aging of the Hair Follicle Pigmentation System; D Tobin; 2009
The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Please check with the appropriate physician regarding health questions and concerns. Although we strive to deliver accurate and up-to-date information, no guarantee to that effect is made.
B12, Anemia & Grey Hair
The gray hair you see in the mirror or the unrelenting fatigue you feel can be chalked up to stress, but you might be surprised to learn that a deficiency in vitamin B-12 may actually be the culprit. Your doctor can perform testing to diagnose a deficiency. Do not take B-12 supplements without first talking with your doctor to see if they are safe and appropriate for you to consume.
Vitamin B-12
Cobalamin, more commonly known as vitamin B-12, is found in food, supplements and prescription medications. This vitamin must be present for DNA synthesis, healthy red blood cell formation and proper neurological functioning to happen. Most individuals obtain enough B-12 from dairy products, fortified cereals and animal products. A deficiency of vitamin B-12 can cause megaloblastic anemia, as well as constipation, memory problems and dementia. If you think you may be deficient, talk with your doctor.
- Cobalamin, more commonly known as vitamin B-12, is found in food, supplements and prescription medications.
- Most individuals obtain enough B-12 from dairy products, fortified cereals and animal products.
Anemia
Folic Acid & Gray Hair
Learn More
The general medical condition in which you do not have enough healthy red blood cells is called anemia. There are many different types of anemia with varying causes. Without enough red blood cells, your tissues cannot get enough oxygen, which is transported throughout the body by the blood cells. This can cause fatigue, irregular heartbeat and pale skin. Megaloblastic anemia, also called pernicious anemia, occurs from insufficient amounts of red blood cells because the body cannot absorb enough B-12 to make the cells.
- The general medical condition in which you do not have enough healthy red blood cells is called anemia.
- Megaloblastic anemia, also called pernicious anemia, occurs from insufficient amounts of red blood cells because the body cannot absorb enough B-12 to make the cells.
Gray Hair
You may be surprised to learn that your hair is initially white. In utero, a protein called melanin is manufactured, and this gives hair its color. Melanin continues to give color to hair once you are born, although the amount of melanin in the body decreases with age. Over time, melanocytes, the cells with melanin, stop forming, causing hair to lose pigmentation. The B vitamins, including B-12, are essential for healthy hair, reports the University of Maryland Medical Center 5. Gray hair is more common with old age. As individuals get older, the risk of atrophic gastritis increases, which can interfere with the absorption of vitamin B-12. This may affect the hair, but more research needs to be done to see if there is any link between vitamin B-12 and gray hair.
- You may be surprised to learn that your hair is initially white.
- This may affect the hair, but more research needs to be done to see if there is any link between vitamin B-12 and gray hair.
Considerations
What Are the Benefits of Vitamin B-1 or Thiamine?
Learn More
Do not try to self-treat anemia by taking vitamin B-12 supplements; this vitamin is not a substitute for medical attention. If your doctor prescribes B-12 supplementation, talk with her about all other medications or supplements you may be taking, as this vitamin can interact with drugs and cause adverse effects.
Related Articles
References
- National Institutes of Health Office of Dietary Supplements: Vitamin B12
- MayoClinic.com; Anemia: Symptoms; Mayo Clinic Staff; February 2011
- The Library of Congress; Why Does Hair Turn Gray?; August 2010
- "International Journal of Trichology"; Aging of the Hair Follicle Pigmentation System; D Tobin; 2009
- University of Maryland Medical Center; Vitamin B12; Dr. Steven Ehrlich; June 2009
- Office of Dietary Supplements. Vitamin B12. Updated 2020.
- Johns Hopkins Medicine. Vitamin B12 deficiency anemia. 2020.
- Coppen A, Bolander-Gouaille C. Treatment of depression: time to consider folic acid and vitamin B12. J Psychopharmacol. 2005;19(1):59-65. doi:10.1177/0269881105048899
- Kannan R, Ng MJ. Cutaneous lesions and vitamin B12 deficiency: an often-forgotten link. Can Fam Physician. 2008;54(4):529-532.
- Markišić M, Pavlović AM, Pavlović DM. The impact of homocysteine, vitamin B12, and vitamin D levels on functional outcome after first-ever ischaemic stroke. Biomed Res Int. 2017;2017:5489057. doi:10.1155/2017/5489057
- Harvard Health. The A list of B12 foods.
- Harvard Health. Getting enough vitamin B12. 2020.
Writer Bio
Jaime Herndon has been writing for health websites since 2009 and has guest-blogged on SheKnows. After graduating with a Bachelor of Arts in psychology and women's studies, she earned a Master of Science in clinical health psychology and a Master of Public Health in maternal-child health. Her interests include oncology, women's health and exercise science.