Ranking the best biotin supplements of 2019

Biotin is a B vitamin that performs a crucial position in a wide range of bodily features. It’s typically also called vitamin B7 or vitamin H, and it seems to influence your body’s capacity to synthesize proteins for pores and skin, hair, and metabolic features involving fat or glucose.

The analysis on biotin continues to be in its early levels, however individuals are hopeful that it may be used to enhance hair thickness, battle brittle nails, and even enhance metabolic well being and control blood sugar.

Our research group seemed into the best biotin supplements out there; here’s what we came up with.


1. Natrol Biotin Maximum Efficiency

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Natrol makes a high-dosage biotin supplement with just a little bit of calcium added (66 mg to be actual). It comes in a vegetable cellulose capsule and is free from commonest allergens like dairy, soy, and nuts.

Its dosage is on the excessive end, at 10,000 micrograms. Natrol also makes lower dosage biotin supplements, however these aren’t as fashionable.

2. Sports activities Research High Efficiency Biotin

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Sports Analysis is understood for high-quality supplements, and their biotin offering matches the invoice.

With 10,000 micrograms of biotin and the United States Pharmacopeia mark guaranteeing extremely high purity and dosage accuracy, it’s a very strong go-to biotin complement. The compound is dissolved in coconut oil and beeswax, and comes in a vegan-friendly softgel.

three. Solgar Tremendous Excessive Efficiency Biotin

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Solgar makes a simple, simple, no-BS biotin complement. It delivers 10,000 micrograms and nothing else, save for a vegetarian-friendly cellulose capsule and a few binders to hold the capsule together, making it a superb decide.

Given Solgar’s good popularity for purity and supplement high quality, it’s an excellent buy for anybody who needs a minimalist high-dose biotin complement.

four. Zhou Hairfluence

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Zhou Hairfluence is more of a total answer to hair thickness and fullness—yes, it’s received biotin, however it’s additionally acquired a few dozen different elements, together with different B nutritional vitamins, pantothenic acid, MSM, collagen hydrolysate, and even pure keratin (the protein hair is made out of).

The idea here is to load up your body with all the elements it must pump out hair as quick and as thick as potential. As a biotin supplement, it features pretty nicely, delivering 5,000 micrograms per dose (nevertheless, do word that a dose is 2 capsules, not one).

Zhou Hairfluence is well-reviewed, so if you need a multi-ingredient hair complement, this is the one to go together with. If all you want is biotin, there are better choices.

5. NOW Biotin

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NOW Biotin is a protected guess for a easy biotin complement. NOW is a large and pretty well-regarded vitamin and supplement firm, and their 10,000 microgram biotin complement is pretty strong: no red-flag components and no widespread allergens.

NOW also makes a 1,000 and 5,000 dose model of their biotin complement, too, for those who’d like a lower dosage biotin complement with the similar quality.

6. Zenwise Well being Additional Power Biotin

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Zenwise’s biotin complement doesn’t distinguish itself in any specific means. Its dosage is center of the street, at 5000 micrograms, and it doesn’t have any actual extraneous elements.

It has a vegetable capsule, which is sweet, and it’s free of commonest allergens, which can also be a plus.

7. OmegaBoost Biotin

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OmegaBoost offers a 5000 microgram biotin complement alongside 222 mg of calcium. This represents a substantial quantity of calcium; 225 of your really helpful day by day consumption to be actual.

While there’s no evidence that there is any synergy between biotin and calcium in relation to hair, skin, or nail power and well being, some individuals do suspect that calcium (along with a number of other vitamins) play a task.

eight. VitaFusion Additional Power Biotin

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VitaFusion’s biotin is the solely gummy-based complement on the market, so it’s one of your solely options when you don’t need or don’t’ like capsule based mostly supplements.

You do should be okay with the proven fact that these gummies are gelatin-based and embrace some synthetic flavoring and coloring, although. At 5,000 micrograms per dose, they are middle of the street relating to dosage.

9. Nature’s Bounty Biotin

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Nature’s Bounty provides a number of totally different dosages of biotin, however the 10,000 microgram version is the most popular. Whereas it’s pretty easy to make a biotin supplement, Nature’s Bounty appears to have reduce a number of corners right here.

The biotin is dissolved in soybean oil, which gained’t sit nicely with the anti-soy crowd, and the capsules are coloured with titanium dioxide (for aesthetic functions).

10. SBR Vitamin Biotin

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SBR Vitamin’s biotin supplement is exclusive in its type of delivery. It is available in a dropper bottle, which allows you to measure out arbitrary dosages of biotin.

The issue with this is that the dropper supply technique just isn’t very exact, so you’ll get wildly totally different doses from each day. It’s flavored with natural vanilla and stevia to make the style palatable, however until you really dislike tablets or have an excellent purpose for wanting a liquid supply of biotin, you need to in all probability just go for a capsule-based complement.

Who can buy biotin?

Biotin is a specialised complement that may help enhance the thickness and quality of your nails and hair. In case you have brittle nails or dry, thin, and brittle hair, biotin may have the ability to assist.

As a naturally-occuring B-vitamin, it performs an necessary position in the synthesis of the proteins that make up each hair and nails (consider it or not, they are almost similar in their make-up).

Beyond the hair and nail makes use of of biotin, there’s additionally some preliminary evidence that biotin, alongside chromium, could possibly improve your control over your blood sugar.

How we ranked

To make our rankings, we first took stock of the wide selection of biotin-containing supplements on the market. Some of these have been dedicated biotin supplements, while others used biotin alongside different supplemental elements.

First, we excluded anything that wasn’t either a biotin-only formulation or a blend that specifically targeted on hair and nail health. While biotin performs a task in lots of other biological features, in case you are taking a biotin supplement, you’re in all probability trying to leverage its nail and hair health benefits.

Next up, we took a take a look at the dosage. We made there was more than the advisable every day consumption of biotin, but in addition ensured that the complement dosage didn’t exceed 10 mg (or 10,000 micrograms), as the safety of biotin has not been studied at dosages beyond this degree.

We also intently examined the different elements in the supplement, and had robust preferences in the direction of clear supplement design: no unnecessary fillers, binders, or coloring brokers. With very few exceptions, liquid-based biotin supplements did not make it previous the minimize.

They sometimes did not have the right dosage degree, and had too many solvents or flavoring brokers to make it value taking. Liquid supplements also pose a dosage drawback, where it is onerous to get an correct quantity of liquid from simply an eyedropper bottle. Capsule-based supplements have more exactly measured dosages, so it’s simpler to understand how much biotin you’re getting.

Lastly, we took inventory of some other lively elements which might exert a synergistic or useful effect. Zhou’s Hairfluence moved up in the standings at this level, because of its inclusion of MSM, folate, and different useful nutrients, as did Natrol Biotin, our top-ranked complement, because of its additional calcium. The final ten biotin supplements all deliver pure and efficient dosages to strengthen hair, battle brittle nails, and enhance blood sugar management.


Biotin is a much less well-known member of the B vitamin household. The B vitamins are a flexible and critically necessary group of nutrients, and biotin is not any exception. Vitamin B7, as it’s typically recognized, helps grow your hair, strengthen your nails, and course of fat and sugar in your weight-reduction plan.

Despite this, it’s nonetheless a fairly new nutrient in the world of vitamin, so the full breadth of its utility isn’t but recognized. Many people swear by biotin’s capability that will help you grow thicker hair, stronger nails, and even control your weight and blood sugar.

Biotin might enable you to with hair and nail well being. Biotin initially arose interest from the supplementation when individuals started taking notice of the effects of biotin deficiency. A small proportion of individuals are born with a genetic defect that forestalls their physique from successfully metabolizing biotin.

A case research revealed in The Lancet in 1979 describes how biotin deficiency may cause marked hair thinning and a organic imbalance of enzymes in the blood (1). Upon administration of a biotin complement, all of these symptoms reversed quickly.

Biotin may assist with pores and skin well being too. Different work, similar to a assessment by D.M. Mock, has found that a lack of biotin may cause dry, scaling skin, in addition to the proliferation of yeast infections in the skin and an impairment of immune system perform (2).

All this raises an obvious query: can supplemental biotin cause the inverse of these effect? In no less than some instances, the answer appears to be yes.

Biotin may also help repair brittle nails. A scientific research revealed in 1993 in a journal on skin and nail circumstances checked out patients who reported to a dermatology clinic with brittle nails (three).

The research evaluated the patients and prescribed them a biotin complement to take for a interval of a number of weeks.

Of the sufferers who took the biotin complement, 63 % confirmed a considerable enchancment in their nail condition. Though the other 37 % saw no improvement, we need to needless to say many circumstances may cause nail brittleness.

If absolutely two-thirds of individuals with brittle nails respond to a biotin supplement, this means that biotin deficiency is extra widespread than beforehand thought, at the least amongst individuals with brittle, thin nails.

The first impact of the biotin supplementation in these sufferers who responded to the remedy was a rise in nail thickness. Different research found comparable outcomes, and biotin has even been utilized in cattle and cows to extend the thickness of their hooves.

This won’t seem notably relevant for hair thickness, however contemplate this: despite their vastly totally different look, fingernails and hair (in addition to cattle hooves and horse hooves) are literally made of the similar factor.

The protein keratin is the main factor that makes up each your nails and your hair, and that’s precisely the protein whose synthesis appears to be elevated by biotin in the people who took the biotin complement for brittle nails.

So, from this, it follows that folks with skinny or brittle hair may reply in the similar approach to a biotin supplement.

Biotin could possibly assist improve hair thickness by up to 25%. If the response fee was comparable, a large proportion of individuals might see substantial modifications of their hair thickness–as much as 25%, if the positive aspects in nail plate thickness from biotin supplementation mirror these of hair follicle thickness.

Experiments testing this hypothesis instantly are lacking, but that hasn’t stopped individuals from exploring its use as a way to extend hair thickness and power. Critiques are combined, but some individuals do discover that biotin supplements help them achieve stronger and fuller hair.

Don’t make the widespread mistake of considering that biotin is for stopping hair loss–-unlike other supplements which are supposed to stop hairs from falling out, there isn’t a proof but that biotin does that.

What it’d have the ability to do is make the shafts of hair you do have develop thicker and stronger–again, that is based mostly off analysis on nail plate progress, extrapolating from the incontrovertible fact that hair and nails are created from the exact same protein.

Biotin additionally seems to help management blood sugar. Research revealed in 2008 in the scientific journal Diabetes Metabolism Research and Critiques examined the effects of a biotin and chromium picolinate complement on blood sugar levels in obese and overweight people who had sort 2 diabetes (4).

In a placebo-controlled trial, the supplement was capable of lower their blood sugar levels substantially, main the researchers to advocate it as a secondary remedy for sort two diabetes.

Obviously, you’d need to speak to your physician about this if this is related to you, however it’s an fascinating path for future analysis.

The position that biotin plays in your physique is just not limited to hair, skin, and nails, as this research exhibits. Biotin plays a key position in a variety of cellular interactions inside your physique, so the full extent of its health advantages have doubtless not been absolutely researched.

Biotin deficiency might happen throughout pregnancy. Many of the B vitamins are essential throughout pregnancy to stop delivery defects (resembling folate, which is a vital ingredient in lots of prenatal vitamins).

Pregnancy increases your physique’s requirement for a number of of the other B vitamins, so vitamin researchers have questioned whether or not an analogous impact could be seen with biotin. Several items of evidence indicate that this is perhaps the case. First, biotin deficiency is associated with start defects in lots of different mammals.

Second, in ladies who’re pregnant, there are elevated ranges of a selected biomarker for biotin, which might point out that biotin ranges are lower among ladies who’re pregnant because biotin is being depleted quicker than it’s being replaced.

A research revealed in the American Journal of Medical Vitamin tried to answer the question of whether or not pregnancy may induce biotin deficiency (5). The research took 26 ladies who have been pregnant and randomly supplemented them with both a placebo or a biotin complement.

The researchers have been capable of present that the biotin complement significantly elevated biotin levels, and that the urinary excretion of the biotin biomarker seen in different analysis research was indeed indicative of a light or average deficiency of biotin in pregnant ladies.

Because of the outcome of this research, you’ll typically discover biotin included in prenatal vitamins, alongside the other extra well-known B-complex nutritional vitamins which are vital throughout being pregnant.

Unwanted side effects

As a B vitamin that happens in a number of food merchandise, it’s exhausting to get an excessive amount of biotin. There isn’t any well-characterized aspect effect profile.

In line with the Mayo Clinic, there are not any recognized unwanted effects of biotin supplementation, even as much as 10 mg per day–that is on the excessive end of what’s out there as an over-the-counter supplement (5).

Advisable dosage

The beneficial every day consumption for biotin is fairly small compared to what’s out there in a supplement. Knowledge revealed by the National Institutes of Health’s Office of Dietary Supplements outlines a minimal consumption of 30 micrograms of biotin per day for wholesome adults (6).

Nevertheless, this dosage is just to take care of normal, wholesome levels of the vitamin. As for strengthening nails or growing hair volume and thickness, doses might must be larger, although how a lot larger is just not clear.

As a result of biotin has a superb security profile, the excellent news is that you could experiment with a wide range of doses to see if biotin is effective for you. Attempt a couple of totally different dosage levels to see what works for you; there isn’t enough research yet to correctly characterize how much biotin you have to get the advantages.

It’s in all probability best not to stray beyond 10 mg per day (equal to 10,000 micrograms) per day, since the security of biotin hasn’t been evaluated past this degree.

That’s already a couple hundred occasions your normally-required day by day consumption, so if there was an effect of biotin, you’d anticipate to see it by that time.


Q: What’s biotin?

A: Biotin is a B-vitamin that’s included into a mess of enzymes in your body. These enzymes help construct cells, metabolize the meals you eat, and regulate how your physique distributes fat and carbohydrates within cells.

Biotin’s position in these reactions is to assist the enzymes that make these chemical reactions occur. It’s not an herbal extract or a plant-derived compound; it’s a micronutrient very similar to vitamin C or vitamin E.

Q: What B-vitamin is biotin?

A: Biotin is designated as vitamin B7. It belongs to the class of B nutritional vitamins because it is a cofactor in mobile reactions that regulate the primary energetic features of the cells in your body.

As with the other B nutritional vitamins, comparable to folate, niacin, cobalamin, and lots of others, biotin is water-soluble and, although solely vital in trace amounts, performs a key position in retaining your physique’s inner mechanics functioning.

Q: What is biotin made of?

A: In contrast to many supplements, biotin shouldn’t be something only found in certain crops and herbs. It’s a crucial micronutrient with a reasonably easy chemical structure, and may be present in nuts, seeds, fish, dairy, and avocados, to call just some meals.

Some strains of probiotic micro organism additionally produce biotin on their own, so that you get some of it as an element of having a traditional and healthy intestine bacteria.

So, biotin shouldn’t be really “made of” something aside from the individual atoms that make up the biotin molecule. In this manner, it’s just like many of the different alphabet nutritional vitamins in that it is a person, distinct molecule with a selected organic objective (or several purposes, as is the case with biotin and lots of different B vitamins).

Q: What are the makes use of of biotin?

A: As a supplement, the main uses of biotin are strengthening your hair and your nails. Some of the hallmark symptoms of biotin deficiency are brittle nails and thinning and fragile hair, which is brought on by dysfunction in the biological reactions that synthesize both hair and nail cells (which happen to be made out of the similar protein).

The thought, which is supported by some medical evidence from scientific analysis, is that supplying further biotin might help your physique be sure that your hair and nails are as healthy as attainable.

Some rising scientific analysis additionally means that biotin, alongside chromium, might assist improve blood sugar management in individuals who have metabolic syndrome or are prediabetic, although there’s more analysis that needs to be executed to determine whether or not biotin could possibly be a useful regulator of blood sugar.

Q: What foods are high in biotin?

A: You will discover substantial quantities of biotin in liver, egg, salmon and tuna, beef, almonds, and candy potatoes, to name a number of of the best sources.

Both omnivores and vegetarians or vegans can discover great sources of biotin, though in case you are in search of a critical dose of biotin, you’ll have to choose for lots of liver or eggs (which have 10 and 5 mcg per serving, respectively), or take a complement to get more.

In case you are counting on eggs to get your biotin, be sure they are absolutely cooked: undercooked egg white truly impedes biotin absorption to a big extent. Most of the biotin in eggs truly resides in the yolk.

Q: Does biotin assist with weight loss?

A: To date, no strong scientific research has indicated that biotin can be a helpful weight loss supplement. Individuals on very restrictive diets, or who have had gastric bypass surgical procedure as an obesity remedy, could also be in danger for creating a biotin deficiency, although.

One case research describes a patient who had a gastric bypass surgical procedure who subsequently developed an entire loss of style. Docs have been capable of restore it with high-dose biotin supplementation (6). This report does recommend that biotin deficiency may be a aspect impact of aggressive weight reduction or very restrictive diets, but extra research is required to verify these results.

Q: Is 10,000 mcg the best dose of biotin?

A: 10,000 mcg is the highest dosage that’s been determined to be protected in dietary research. A couple of medical studies have reported using 40,000 mcg to treat deficiencies and have not had any opposed results, however in phrases of vitamin research, 10,000 mcg (which is the similar as 10 mg) is the higher limit.

This dosage is way above the really helpful every day consumption of 30 mcg, but this threshold was developed purely from population surveys of biotin intake—the principle being that the average biotin consumption of a wholesome individual must be a adequate amount. Technically, the precise organic want for biotin in your body has not been definitively decided.

Q: What causes biotin deficiency?

A: Biotin deficiency is rare, however does happen. Sometimes, biotin deficiency is associated with brittle nails, fragile, dry, and thin hair, and rashes in your pores and skin. Biotin deficiency is often brought on by one of two issues: both a genetic mutation or an excess of uncooked egg white in your food plan.

At present, infants are routinely screened for deficiencies in the enzymes that process biotin in your body; a genetic predisposition for biotin deficiency can be picked up quickly after start.

Nevertheless, this screening course of only turned routine late in the 1980s, so for those who have been born before then, you wouldn’t have been screened for biotin deficiency.

The opposite widespread trigger of biotin deficiency is an extreme consumption of raw egg whites. This can be a seemingly perplexing trigger of biotin deficiency; eggs, in any case, are wealthy in biotin. Nevertheless, it turns out that the biotin in eggs is contained principally in the yolk, whereas egg whites include a compound that significantly inhibits biotin absorption. This compound is deactivated by cooking, though, so absolutely cooked eggs pose no menace of causing biotin deficiency.

Q: What’s biotin good for?

A: Biotin performs a huge number of roles in your body, however when taken in supplemental type, is most commonly used to enhance the quality of your nails and your hair. It’s one of the core elements in nutritional vitamins for hair progress, and some scientific proof suggests that a biotin supplement might assist restore damaged hair and nails if this injury is related to an inadequate quantity of biotin in your physique.

While biotin is concerned in many cellular reactions, one of the first manifestations of a biotin deficiency is a decrease in the integrity and health of your nails and hair. These signs are linked because of the protein keratin, which makes up each hair and nails.

Q: How much is too much biotin?

A: Right now, the nutritional recommendations are that you simply not exceed 10,000 mcg (or 10 mg) of supplemental biotin per day. It’s not that doses past this have been proven dangerous; slightly, doses beyond this vary haven’t been studied in detail, so their safety can’t be guaranteed.

A couple of case reviews in the medical literature have used doses of as much as 40 mg for a short period to treat severe biotin deficiencies, and didn’t have any damaging unwanted side effects, although these weren’t systematic research.

Since most individuals appear to only need round 30 mcg of biotin to remain healthy, super-high doses of biotin in all probability aren’t essential, even should you assume you could have a deficiency.

Related articles


Biotin is a very protected B vitamin complement which may allow you to develop thicker hair, repair brittle and thin nails, and even control your blood sugar.

It’s protected in doses at the very least as much as 10 mg per day, and although the analysis on its uses is in its early levels, there are promising indicators that it might be effective at enhancing the well being of your skin, nails, hair, and blood sugar control.

For BodyNutrition‘s #1 biotin suggestion, click on here.

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