What Is the Best Biotin Supplement for Hair Growth & Hair Loss in 2018?

A woman sadly looking at her comb with the title "What is the Best Biotin Supplement For Hair Growth & Hair Loss"

Hair loss is, unfortunately, an inevitable aspect of aging. However, this doesn’t mean you can forget about nourishing your hair until you reach a certain age.

Regardless of age, your hair may be naturally thin or suddenly lose volume due to certain illnesses or medication side effects. That’s where biotin supplements come in.

You’ve probably heard about biotin. It has quickly become one of the most popular supplements for hair growth and hair loss in recent years. But is it all hype or can a tiny pill really restore those thick, luscious locks in a matter of months (or even weeks)?

In this article, I’ll explain exactly how biotin supplements work and who can benefit from taking them. I’ll also be reviewing some of the best biotin supplements currently on the market and sharing my personal favorite product at the end.

Product
Details
Our Rating
Our #1 Rated
Just Potent Biotin

Just Potent

Just Potent Biotin

4 out of 5

In the Biotin Supplements category

Click for price
  • 5-Month supply
  • Biotin may help prevent hair loss and loss of hair color
  • Helps to keep your nails and toenails healthy
HealthAmbition Stamp

Our #1 Rated

4 out of 5

In the Biotin Supplements category


Our #2 Rated
Nature’s Bounty Biotin

Nature's Bounty

Nature’s Bounty Biotin

4 out of 5

In the Biotin Supplements category

Click for price
  • BIOTIN 10,000MCG: Nature's Bounty's Biotin supplement contains 10,000 mcg rapid release softgels to help support healthy...
  • HAIR, SKIN & NAILS: Support healthy hair, skin & nails with a biotin supplement from Nature's Bounty*. A water-soluble...
  • NATURE'S BOUNTY VITAMINS: Whether you're looking for a single vitamin, overall wellness support, or specific benefits we're...
HealthAmbition Stamp

Our #2 Rated

4 out of 5

In the Biotin Supplements category


Our #3 Rated
Natrol Biotin Maximum Strength tablets

Natrol

Natrol Biotin Maximum Strength tablets

4 out of 5

In the Biotin Supplements category

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  • PROMOTES HEALTHY HAIR, SKIN & NAILS - Restore the health of your hair, radiance of your skin and strength of your nails with...
  • INCREASE ENGERY - Biotin, a B vitamin also known as vitamin H or B7 helps support the metabolism and assists in the...
  • ADVANCED FORMULATION - The beauty supplement includes an important B Vitamin that has long been known as a key element in...
HealthAmbition Stamp

Our #3 Rated

4 out of 5

In the Biotin Supplements category


Our #4 Rated
Eu Natural Biotin

Eu Natural

Eu Natural Biotin

4 out of 5

In the Biotin Supplements category

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  • HAIR GROWTH. Pure Biotin to support healthy hair, glowing skin, and strong nails.
  • EXTRA STRENGTH. Full 5000 mcg (5mg) per serving of Biotin vitamin necessary for cell growth and metabolism of fats. The...
  • 99.8%+ PURITY. Each capsule is formulated with high purity Biotin at full therapeutic dosage. You can have the confidence...
HealthAmbition Stamp

Our #4 Rated

4 out of 5

In the Biotin Supplements category


Our #5 Rated
Sports Research Biotin Veggie Softgel with Coconut Oil

Sports Research

Sports Research Biotin Veggie Softgel with Coconut Oil

3 out of 5

In the Biotin Supplements category

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  • FEATURES: High Potency Biotin 5000iu in cold-pressed Organic Coconut Oil
  • BENEFITS: Studies suggest Biotin may support Healthy Hair, Skin and nails*
  • PREMIUM: The Only Non-GMO Project Verified Biotin softgel available
HealthAmbition Stamp

Our #5 Rated

3 out of 5

In the Biotin Supplements category

What is Biotin?

Biotin is also known as vitamin B7. It’s sometimes referred to as “vitamin H”, which comes from the German words, Haar and Haut, meaning ‘hair and skin’.

You may have seen biotin listed as an ingredient in various beauty products. Biotin is not well absorbed through the skin so lotions and other topical treatments are not very effective. This is why you should consider taking an oral biotin supplement instead.

Who Needs Biotin Supplements?

The traditional function of a biotin supplement is to treat a biotin deficiency. However, biotin deficiencies are quite rare. Only about 30 micrograms (mcg) of biotin are required per day for an adult. (source) To put this into perspective, one whole egg contains 13-25 mcg of biotin. (source) Other foods which contain biotin include salmon, liver, yeast, nuts and avocados. (source)

However, if you do have a biotin deficiency, you may experience some of the following symptoms:

  • Brittle hair or hair loss
  • Hallucinations
  • Scaly, red rash around the eyes, nose and mouth
  • Numbness and tingling in the extremities
  • Dry skin
  • Seizures
  • Nerve damage
  • Cognitive impairments (source)

You may benefit from a biotin supplement if you experience any of these symptoms, especially brittle hair or hair loss. (source) Your doctor can quickly and easily diagnose biotin deficiency with a blood test.

Even if you don’t have a biotin deficiency, you may experience hair loss or hair thinning naturally as you age. Changes in hair quality can also occur during pregnancy or if you are consistently stressed out. (source) Biotin supplements are also useful for those unlucky folks among us who are victims of hereditary hair loss.

You may also experience hair loss if you are affected by certain disorders, such as anemia (low iron) or thyroid disorders (either hypothyroidism or hypothyroidism).

Hair can also become thin due to excessive use of harsh treatments such as straightening, blow drying or dying.

Finally, when taking certain medications (such as immunosuppressants, acne medications or antidepressants), hair loss can be a side effect.

In all of these cases, a biotin supplement may be able to help.

Biotin molecule structure drawn on a notebook.

What Do Biotin Supplements Do?

Biotin plays a crucial role in the metabolism of carbohydrates, fats and proteins. (source) We are interested in what it does for hair, though.

So, how exactly does biotin help hair growth? Is it actually legitimate or another hyped up hair treatment?

First let’s review some basic facts. As you may remember from science class, your hair is made up of the protein, keratin. Amino acids are the building blocks of proteins, but something needs to set off a chain reaction in order to start the building process.

When it comes to keratin, biotin is that special something. It reacts with cell enzymes and produces the amino acids necessary for constructing keratin. (source) So, taking a biotin supplement will allow your hair to grow as fast and thick as it possibly could.

If you’d like to learn more about the health benefits of biotin, check out this video:

How To Choose The Right Biotin Supplement For You

There are countless biotin supplements on the market, making it difficult to find the best biotin supplement for you.

What should you look out for? Take a look at this handy list.

Quality

As with anything you’re going to put into your body, quality is king. You should avoid biotin supplements with unnecessary or synthetic ingredients. Many of these ingredients may not have been tested for their efficacy and you may be be diluting the quantity of biotin with every added ingredient.

Safety and Dosage

There’s no doubt we all want to be safe when using nutritional supplements. In fact, safety and quality go hand-in-hand. So, when choosing a biotin supplement, look for one that is manufactured in a facility which is certified under good manufacturing practices (GMP) or approved by the FDA.

If you have allergies, you’ll want to make sure the supplement is allergen-free, too. Though a supplement’s ingredient list may not contain a particular allergen, the supplement may potentially be contaminated if the company’s facilities deals with other products containing the allergen.

Finally, you should consider the dosage provided per serving. Does the supplement contain enough biotin to do what you need it to do? Biotin supplements for hair growth typically have a dosage of 5,000 to 10,000 mcg. However, some people may find that 10,000 mcg is a bit too much for them.

Other Considerations

If you are vegetarian, you will want to check the label to see if the product is vegetarian-friendly. Many brands use a gelatin capsule from an animal source, which is sometimes unexpected. Pectin is a plant-derived alternative.

You may also be wondering what the side effects of biotin are. Well, there are virtually no side effects because biotin is a water-soluble vitamin. This means that your body will get rid of any excess amounts.

However, if you consume a biotin supplement in very large doses for a prolonged period, it may lead to adverse effects. These rare overdoses can lead to eosinophilic pleuropericardial effusion, a potentially life-threatening condition. (source) Again, this is very rare and no adverse effects have been found for doses of up to 5,000 mcg per day. (source)

And remember, as is the case when starting any other supplement, it’s recommended that you speak to your doctor or pharmacist before taking a biotin supplement. This is especially important if you take a regular prescription medicine or have an ongoing health condition.

Our Picks for the Best Biotin Supplement

Now that you understand what to look for in a biotin supplement and more importantly why, I’m going to review five of the most popular options on the market at the moment. I’ve listed the major pros and cons so you can compare brands easily. Hopefully, my reviews will help you make an informed decision.

Our #1 Rated
Our pick our #1 rated

Just Potent

Just Potent Biotin

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This biotin supplement by Just Potent, contains 150 capsules containing 5000mcg of biotin for a decent price. It is also vegan-friendly, non-GMO and gluten-free.

The pills are small and easy to swallow, which is good news. The supplement is also made in a GMP-compliant facility. This gives me peace of mind in knowing that the supplement I am receiving is safe.

This one is different from the other supplements I have reviewed so far as it contains 400 mg of vitamin C. As you may know, vitamin C is good for the immune system. You may not have known that it also has benefits for your hair.

The vitamin is an antioxidant, which fights off oxidative stress associated with grey hair and hair loss. (source) This biotin supplement also contains a proprietary blend, with citrus bioflavonoids and rose hips fruit powder. These both have anti-oxidant properties, too. (source)

Users say this biotin supplement prevents further hair loss and makes their hair grow faster. The only complaint is that it causes breakouts in some users (though not as much as the previous supplement I reviewed which contained coconut oil).

Pros
Pro High dosage (5,000 mcg)
Pro Non-GMO
Pro Vegan
Pro Gluten-free, soy-free
Pro Contains vitamin C
Pro Made in GMP-compliant facility
Pro Small pills, easy to swallow
Cons
Con Some users say it causes acne
 
 
 
 
 
 

Our #2 Rated
Our pick our #2 rated

Nature's Bounty

Nature’s Bounty Biotin

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

You can count on Nature’s Bounty to deliver the highest doses possible. In this case, they offer 120 10,000mcg biotin capsules.

Although biotin is excreted out of the body if there’s an excess, it’s still possible to take too much. Taking large amounts for a long period of time may cause an adverse reaction. Indeed, some users have experienced that with this supplement, as it caused them to breakout. So, unless a high-dosage supplement is recommended by your doctor, this supplement may be too much. Otherwise, it is a decent brand, which meets GMP standards and does not use artificial colors or flavors.

Users say it helps their hair to grow back faster and longer. Where the supplement does fall short is in its inclusion of gelatin from a bovine source, rendering it unusable for vegans and vegetarians. It also contains soybean oil, which has omega-6 fats. These fats, in contrast to omega-3, are unhealthy and can cause inflammation. (source)

The price of Nature’s Bounty biotin supplement is great, but you may not want to take the risk here.

Pros
Pro High dosage (10,000 mcg)
Pro Rapid-release softgels, easy to swallow
Pro No artificial flavor or sweetener
Pro Wheat-free, gluten-free , sugar-free
Pro Great price
Cons
Con Contains soybean oil
Con Not vegan-friendly (contains gelatin from bovine source)
Con May cause some people to break out
 
 

Our #3 Rated
Our pick our #3 rated

Natrol

Natrol Biotin Maximum Strength tablets

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

Natrol also offers a high dosage supplement, containing 10,000mcg biotin pills. In this case, though, there are two bottles (each containing 100 tablets).

Many users praise this supplement for making their hair thicker within two weeks. Once again, a few people did complain about it causing an unwanted reaction, such as a rash. This is likely due to the high dosage provided. If you would like to avoid an unwanted reaction, you should take a lower dosage, at least to start with. Natrol also offers biotin supplements in 1000 and 5000 mcg doses.

Calcium is an added ingredient in this biotin supplement, which is a good thing since it does play a role in hair growth. Calcium helps with the secretion of hormones such as androgens, which promote hair growth. It also helps with the secretion of biotin.

There are a couple of ingredients in this supplement that aren’t so good, though. Most notably, it contains stearic acid and magnesium stearate. These are often used in supplements for their lubricating properties. However, they do have potentially harmful effects on the immune system. Some studies have shown that stearic acid suppresses T-cells, which are an important part of the immune response against foreign pathogens. (source)

Regardless, it is one of the most popular biotin supplements. I think the low price is definitely a contributing factor to this.

Pros
Pro High dosage (10,000 mcg)
Pro Contains calcium
Pro Vegetarian
Pro Great price
Pro Wheat-free, soy-free, sugar-free
Pro Small pills, easy to swallow
Pro No artificial flavors or colors
Cons
Con Contains stearic acid and magnesium stearate
Con Caused some users to get allergic reaction (rash) or breakout
 
 
 
 
 

Our #4 Rated
Our pick our #4 rated

Eu Natural

Eu Natural Biotin

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This supplement from Eu Natural offers 120 vegetarian capsules containing 5000mcg of biotin.

Eu Natural’s biotin supplement is very high quality, being gluten-free and processed in an FDA-approved facility. The pills are soft and easy to swallow (which is great because I have a hard time swallowing big pills). It even comes with a money-back guarantee, so you don’t need to worry about wasting your money on something that doesn’t work.

Users have overwhelmingly positive things to say about this biotin supplement. Many claim it has helped with their hair growth (allowing their hair to grow back stronger, shinier and thicker).

The only thing I am disappointed about is that the company claims the supplement has no fillers, but the current formula does contain rice flour. Although it’s harmless, I prefer to keep things simple and filler free when it comes to supplements.

Pros
Pro High dose (5000 mcg)
Pro Vegetarian-friendly
Pro Gluten-free, wheat-free, dairy-free
Pro Pills are soft, easy to swallow
Pro Money-back guarantee
Pro No artificial ingredients
Pro FDA-approved, GMP-certified facility
Cons
Con Contains rice flour (filler)
 
 
 
 
 
 

Our #5 Rated
Our pick our #5 rated

Sports Research

Sports Research Biotin Veggie Softgel with Coconut Oil

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

Sports Research also sells 120 vegetarian capsules containing 5000mcg of biotin. They are non-GMO, gluten-free and stearate-free.

As with the previous supplement, this one is a softgel, which is easy to swallow. What makes it different, though, is that it contains organic, cold-pressed coconut oil for better absorption. While this may be an attractive feature to some people, others may see it as a problem (specifically those with tree nut allergies, who cannot use it).

Users say this supplement makes their hair grow faster, but some complain that they have had acne breakouts (especially those with oily skin).

Pros
Pro High dose (5000 mcg)
Pro Non-GMO
Pro Gluten-free, soy-free, stearate-free and free of artificial ingredients
Pro Packaged in GMP and NSF-certified facility
Pro Vegetarian-friendly
Pro Contains organic coconut oil for added absorption
Pro Softgel, easy to swallow
Cons
Con Not safe for those with tree nut allergy (due to coconut oil)
Con May cause breakouts in some users
 
 
 
 
 

Conclusion

These biotin supplements were all very close in terms of ratings, making it tough to pick just one as the winner. In my opinion, out of the five supplements reviewed, the best biotin supplement is Just Potent’s 5000mcg supplement.

First of all, I think 5,000 mcg is a safe amount of biotin to ingest. It does cause some people to break out (as many biotin supplements do), but not the majority. It also works well for the purpose of preventing hair loss and stimulating hair growth.

On top of that, Just Potent’s biotin supplement formula contains ingredients with antioxidant properties, which protect against grey hair and hair loss. There are no fillers in this product, so I know I am really getting what I paid for.

I like that Just Potent is a high-quality company, too. Their supplement is verified non-GMO and processed in a GMP-compliant facility. This means you don’t need to worry about it being unsafe or low in quality.

I am so glad this product is stearate-free, yet easy to swallow and seems to work very well. The price is also pretty good, so you don’t need to feel as though you’re spending a fortune just to get your hair back!

For all of these reasons, Just Potent is my top pick for biotin supplements.

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