becoming anew breakout search on Google in 2021, it begs the question: Do we need supplemental biotin?
And how can it affect your health?
Do we need biotin?
Portrait of smiling redheaded young woman on terrace
Most people don’t need biotin supplementally.
“In different countries, there are different diets.
“With our diet here, even if you’re a vegan, there are options.
That’s due largely in part to the recommended daily amount (RDA) of biotin.
Does biotin actually help the hair grow?
Hair supplements promising “longer, stronger” hair often contain more than the typical RDA of biotin.
But having an excess of biotin doesn’t necessarily provide hair with the benefits you may be seeking.
Although high doses are unnecessary, it’s considered harmless if you take more than the RDA.
To his knowledge, “there has never been a controlled clinical study for biotin.
Colaco says the one exception is the very few people with an actual biotin deficiency.
“Studies have shown that people who fall into this category respond well to supplementation,” she says.
“In most other cases, there is limited evidence to show it will help you.
So many dermatologists still recommend it, as there is also no evidence that it can hurt you.”
Another consideration is the actual cause of the hair loss.
However, it can reverse on its own.
“Your hair decides, ‘Hey, I’m not going to take up your energy right now.
Eventually, the cycle returns to normal, but Samolitis says a lot of people will incorrectly credit biotin.
What side effects does biotin have?
Online beauty communities on platforms likeReddithave discussed anecdotal correlations between taking biotin supplements and breakouts.
Biotin can interfere by producing low troponin results, creating a false negative.
Topically, Gross suggests using the ingredient minoxidil, widely known by the brand name Rogaine.
It’s the only topical ingredient proven to grow hair.
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