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Best Hair Growth Supplements – An In-Depth Scientific Review

Best Hair Growth Supplements – An In-Depth Scientific Review

Find out how proper supplementation intake can help your hair grow luscious and strong. See our picks of the top hair growth products of 2020 that actually work.

best supplements for hair growth and thickness

The best hair growth pills and supplements that actually work. Image via Shutterstock

*Note– Each product we feature has been independently selected and reviewed by our editorial team. If you buy something through a link on this page, we may earn a small commission. How this works.

Hair Regrowth – What You Need To Know?

Luscious hair is something many people strive for as it is seen as a symbol of health and beauty in many cultures.

Hair is an important part of your body, and just like any other component, it needs nutrients to thrive and grow properly.

Many nutritional deficiencies can be linked to hair loss. There are always factors other than your dietary intake that can affect hair loss and growth. These include hormonal function, genetics, and aging.

However, these factors can be overcome with proper nutrient intake and supplementation.

Now that you know what causes hair loss, take a look at what can be helpful for hair regrowth.

Hair Growth Ingredients – What To Look For In A Hair Growth Supplement

There are several important vitamins and minerals to look for when shopping for the best hair growth products.

Among these are:

Something important to keep in mind is that supplementation with all these micronutrients is only effective when observed in individuals who already have been diagnosed with a nutrient deficiency, per research studies.

While biotin is a B vitamin and is likely the most common supplement ingredient discussed for hair growth, there is still little research on its benefit for those who are not deficient in it.

It is very rare for an individual to be deficient in biotin, as it can be found in various foods commonly found in the average person’s diet.

More research is needed concerning biotin supplementation and hair growth. However, you will likely find it in most hair growth supplements as it has been so polarized.

Vitamins for Hair – Do They Really Make Your Hair Grow?

Vitamin C, an antioxidant, can play a very important role in hair growth as well. It can help protect hair from oxidative stress, which ultimately prevents your hair from aging too quickly.

It is also necessary for the formation of collagen, which is an important component of the structure of the hair. Due to this, supplementation with vitamin C, or getting enough of it in your daily dietary intake, could help prevent hair loss.

Vitamins D and E, iron, and zinc are also important minerals and vitamins for hair growth. Vitamin D deficiency can be linked to hair loss, and research has shown that supplementation of vitamin D may be successful for hair growth treatment.

Vitamin E is also an antioxidant which can protect from oxidative stress and shows promising hair growth results, according to this study.

Iron-deficiency anemia is one of the most common mineral deficiencies, with one of the most common symptoms being hair loss. If the deficiency has been determined by your physician, supplementation with iron, as well as ensuring to get enough in your daily dietary intake, can be beneficial for hair regrowth.

Zinc deficiency can also be related to hair loss, with beneficial results seen from supplementation, as seen in this study.

Tips For Choosing the Best Hair Growth Supplements

So how do you choose the best hair growth supplement for you?

First, identify what nutrient deficiencies, if any, you may have. We recommend consulting your primary care physician to help identify this, you can also consult a registered dietitian who offers these services.

Once this is determined, focus on those ingredients when searching for your supplement. If you are not deficient in any nutrients, you may not see the best results.

Research has shown that those who have nutrient deficiencies achieve better hair growth from supplementation than those who do not.

Always be sure to read the label carefully, we recommend choosing a cGMP registered facility, this is a third party tester that identifies the actual claimed amounts of each ingredient are truly in the supplement and tests them for purity. A cGMP label on the supplement package will identify this.

As always, show your physician the supplement you wish to take so they may approve it. This is especially important if you are pregnant, lactating, under 18, or already taking other medications.

How We Chose the Following Supplements?

The following supplements were chosen partly due to their ingredient list, their uniqueness, and their positive reviews. Many of them are physician recommended and backed by research.

Folexin, Nutrafol, and Viviscal Extra Strength all contain the vitamins and minerals discussed earlier. All three of these are dietary supplements.

Amplixin and Women’s Rogaine are topical, meaning they are in the form of shampoos, conditioners, or serums that can be applied only to the skin/hair and cannot be taken by mouth.

Best Natural Hair Growth Products

Here are some of the most popular, well-reviewed supplements and how they compare, as mentioned above.

1. Folexin

Pros: 1) It is made up of natural ingredients. 2) It also promotes a healthier and thicker hair.
Cons: Folexin is not available in local stores.
Price: $24.95 for 60 capsules (30 day supply)

2. Nutrafol

Pros: 1) It is said to possess some DHT-blocking qualities. 2) It may also promote the health of the scalp.
Cons: It only works on hair thinning/loss resulting from nutrient deficiencies.
Price: $79.00 with monthly subscription or $88 for a 1 month supply

3. Viviscal Extra Strength

Pros: It can help contribute towards scalp health.
Cons: Increase hair growth speed is not guaranteed for 100% of users.
Price: $49.99 1 month supply or $39.99 monthly with a 3 month subscription

4. Amplixin

Pros: Contains nourishing oils, extracts, and antioxidants.
Cons: Reviews not on website, which seems odd.
Price: Their products vary from $19.99 to $27.95.

NOTE: They claim to have good results, but reviews were unable to be found?

5. Womens Rogaine

Pros: Clinical trials show 8 out of 10 positive results in growing new hair.
Cons: It may not work for everyone.
Price: $27.49 for a 2 month supply. Supply can go all the way up to 12 months purchased at once.

FAQs

Q. Do Hair growth supplements really work?

A: They can work, as seen in the results and reviews for the products above! It doesn’t hurt to maintain a good diet as well.

Q. How does hair growth products work?

A: Hair growth products mainly work by supplying the body with the proper nutrients either orally (by mouth) or topically (via the skin).

Q. What are possible side effects associated with hair supplements?

A: Topical products may cause itching or irritation to the applied area, so always patch test! Supplements are taken via the mouth (orally) will vary in their side effects depending on what is in them.

Most hair supplements are just a more finely tailored multivitamin, and due to this will have little to no side effects.

CAUTION: Be sure to read the label and product information prior to taking any supplements. Also always ask your physician to ensure it is safe for you to take.

Q. How long do hair growth products take to work?

A: It varies product-by-product, but never expect quick results. Like any changes, supplements and topical products take time to work.

From the products reviewed in this article, results can be seen anywhere from 1-6 months.

Q. What causes hair loss in women?

A: Nutritional deficiencies can cause hair loss, to find what vitamin(s) and/or mineral(s) you may be deficient in, you can consult your physician and have them run labs.

The most common nutrient deficiency that causes hair loss is iron-deficiency anemia. If this is not the cause: hormonal imbalances, stress, and treatments for cancer (chemotherapy and radiation) can also cause hair loss.

Q. How to stop hair loss?

A: If it is found you are indeed deficient, supplementation and/or ensuring you get the daily recommended intake of the nutrient via daily diet is very important.

A healthy balanced diet may help prevent nutritional deficiencies in the first place, thus helping to prevent hair loss.

Stopping hair loss first leads to identifying the cause of hair loss.

Q. Can hair regrow after thinning? Or can you grow back thinning hair?

A: It is possible for thinning hair to grow back, hair typically grows at the rate of 6 inches per year, which is what you can expect.

If the hair is lost due to a reason such as chemotherapy or radiation treatment, it can begin to regrow after 2-3 weeks of stopping treatment.

This is also seen if hair loss/thinning was due to hormonal imbalances, once these are successfully treated.

Q. What helps thinning hair grow back?

A: Correcting the identified issue will result in hair growth. Whether this is a nutritional deficiency, hormonal imbalance, stress, or cancer treatment; fixing the issue at the root of the cause is always going to yield the best results and prevent hair loss from re-occurring.

The Bottom Line

Treatment for hair loss can be helpful for those who are deficient in the various vitamins and/or minerals mentioned above. It can still be helpful for those who are not deficient, but results may vary.

Always be sure to ask your physician if a supplement and/or topical product is right for you before just starting it on your own!

Your physician can help guide you in the right direction and tell you if a supplement is safe for you or not.

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Karlee Hill, RD, LD

Karlee Hill is a registered dietitian in long-term care, working in a facility with 195-200 residents....

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