Is healthy nail care important for increased healthspan and longevity? What’s the best way to care for aging fingernails? What’s the best way to care for aging toenails? Is it wise to use a hammer to solve your nail problems?
Biotin supplementation is promoted for healthy nails, skin and hair. There are only a few small scientific studies to try to support this claim. In general, a normal diet will provide 1-2 times the recommended adequate intake of 30 micrograms of biotin. For example, one egg provides ⅓ the daily adequate intake. Because you can get sufficient amounts from food, biotin supplementation is medically unnecessary.
Biotin deficiency occurs rarely and is most often connected with alcoholism. Symptoms include brittle nails, red rashes around the eyes, nose, mouth and perineum as well as thinning body hair.
If you supplement with biotin, inform your physician as high biotin intakes can cause clinically significant falsely high or falsely low laboratory test results. These incorrect results may lead to inappropriate patient management or misdiagnosis of a medical condition. Biotin supplementation can even interfere with home pregnancy test results.
At least a third of pregnant women develop marginal biotin deficiency in spite of normal biotin intakes. There is no current medical guidance for this.
This concludes our article on best practices for nail care. As your reward for reading and taking care of your health, see comedian Anjelah Johnson’s hilarious skit on going to a nail salon, especially if you are single.
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