Regular intake of excessive quantities of certain nutrients can cause hair loss in some cases due to a temporary condition known as
In terms of your hair and scalp, taking too much biotin won't result in drastic damage. But while your magnificent mane might not be in danger, biotin could have adverse effects on your skin.
Mayo Clinic states that 10,000 mcg is a safe dose, as no adverse side effects have been noted to date. Reassuringly, even “mega doses” of 300,000 mcg found no side effects in neurological research.
While 5,000 mcg of biotin may work well for some people, for the most part, that may be too high for others who find that 200 mcg of biotin helps their hair grow. Look for a biotin vitamin that doesn't contain a ridiculously high dose amount like 10,000 mcg – this is usually excessive.
Can biotin be harmful? Biotin has not been shown to cause any harm. However, supplements that contain biotin above recommended amounts may cause false results in some lab tests, including those that measure levels of certain hormones, like thyroid hormone.
Dosage and Safety
Still, people who support its use often recommend taking 2 to 5 milligrams (mg) of biotin in supplement form daily in order to strengthen hair and achieve results.
The bottom line. There's no strong evidence to support using biotin for hair growth or to prevent hair loss in people without a deficiency. Because hair thinning and poor hair growth are sometimes associated with a biotin deficiency, correcting a deficiency can help restore hair growth in some people.
Increasing your intake of biotin may help make your hair stronger and more resistant to falling out. Biotin is a common over-the-counter supplement that is touted to promote healthy hair growth.
The normal recommended biotin dosage for adults is 30 to 100 micrograms (mcg) per day. But there's no evidence of high levels of biotin being harmful or causing toxicity, which is why you'll commonly see biotin supplements containing 5,000 to 10,000 mcg.
It can be the result of heredity, hormonal changes, medical conditions or a normal part of aging. Anyone can lose hair on their head, but it's more common in men. Baldness typically refers to excessive hair loss from your scalp. Hereditary hair loss with age is the most common cause of baldness.
If no home remedies work for your hair loss, use a daily biotin supplement for at least 6 months to start seeing results.
These women improved their hair growth by taking 5,000 mcg of biotin per day. This amount is much greater than the recommended daily value of 30 mcg per day. However, since biotin is a water soluble vitamin most of the excess is excreted in urine.
Takeaway. Your body makes enough biotin on its own through your dietary intake each day. Therefore, you shouldn't take biotin supplements unless directed by your doctor. There are some rare health conditions that can cause some people to need biotin supplements on a regular basis.
Adults and teenagers—30 to 100 micrograms (mcg) per day. Children 7 to 10 years of age—30 mcg per day. Children 4 to 6 years of age—25 mcg per day. Children birth to 3 years of age—10 to 20 mcg per day.
The most common B Vitamin you might already be familiar with is Biotin—also known as Vitamin B7. If you've been looking into growth vitamins to thicken your hair, you're likely familiar with Biotin at this point. It's an essential growth ingredient often added to supplements that promote healthy hair and nails.
Both Biotin and Collagen support healthy skin, hair, and strong nails. Taking both together means you can reap the benefits as they naturally work together to deliver a powerful combination of vitamins and proteins to combat hair loss and maintain supple skin along with other health benefits.
If you are experiencing thinning or balding, our Bosley experts recommend washing no more than three times a week.
How fast does biotin work for hair growth? Research pertaining to how quickly vitamins work in the body is limited, however, we have found that some begin to see and experience benefits approximately 30 days after you start taking biotin. It may take up to 90 days or longer for some individuals.
Biotin is generally safe even at high dosages. Side effects of biotin are minimal and easily reversed because excess biotin is easily passed by the body through urine. We recommend taking 500 mcg-5,000 mcg of biotin per day to support healthy hair, skin, and nails.
While folic acid is essential in supporting healthy hair growth, it is not the only vitamin or supplement that benefits both the hair and skin. Rather, it's best to choose hair care supplements that include additional hair-boosting ingredients, such as B complex, vitamin B12 and biotin.