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Clinical testing isn’t optional—it’s our standard.

We literally count hairs.

We leverage a combination of industry-leading hair measurement tools—from hair counts to pull tests—to assess growth, quality, shedding, and texture. Because our results aren't just visible—they're measurable.

We publish our results.

Our research is published in scientific journals, and therefore undergoes thorough evaluation by scientific experts to ensure the clinical rigor, quality, and reliability of the results.

We are never done researching.

We’ve conducted 20 clinical studies (and counting). And we continue our research so that we evolve with the science and keep delivering meaningful results.

Dive deeper into our award-winning Hair Growth Nutraceuticals.

Most supplements aren't clinically tested, but we're raising the bar for ourselves (and you). That’s why we measure results in real people, including in randomized placebo-controlled trials.

Nutrafol Women is clinically proven to improve hair growth and hair quality.

90%

of women saw overall improvement in their hair after 6 months.

84%

of women saw less shedding after 6 months.

Stephens TJ et al. JCAD. 2022./Nutrafol. Data on file. 2020.

Hair Counts

We had experts count the hairs.

Hair Growth & Quality

We had experts assess the results.

VISIBLE RESULTS

We documented their progress.

Before
Lindsey before taking Nutrafol Women Hair Growth Nutraceutical.
3 months growing
Lindsey 3 months into taking Nutrafol Women Hair Growth Nutraceutical. Results are from a clinical study and may vary

“It not only helped with the thickness and fullness of my hair, but also the strength and durability. People compliment me left and right about how healthy and strong my hair looks.”

Lindsey

Visibly Less SheddingVisibly Thicker Hair VolumeHair Growth

In a 6-month clinical study, participants taking Nutrafol Women experienced significant hair growth.

BENEFITS

Benefits you can see and feel.

Formula benefits

  • Visibly thicker volume1

  • Visibly less shedding1

  • Hair that grows faster, stronger, and longer2

1. Stephens TJ et al. JCAD. 2022./Nutrafol. Data on file. 2020. 2. Ablon G et al. J Drugs Dermatol. 2018., and Stephens TJ et al. JCAD. 2022./Nutrafol. Data on file. 2020.

Women also reported

  • Visibly thicker lashes and brows

  • Reduced feelings of stress and supported sleep quality

Stephens TJ et al. JCAD. 2022./Nutrafol. Data on file. 2020.

PRODUCT

About Nutrafol Women.

Our physician-formulated hair growth supplement is designed for women 18-44 experiencing hair thinning. We use clinically tested ingredients to target root causes of thinning, such as stress, lifestyle, and nutrition.

How we measure our results.

When it comes to hair, we bring precision to perception. We use a combination of standardized and validated measurements—because there's no single measurement for hair health.

Research that’s vetted by the scientific community.

Our hair health research has been featured in 22 scientific outlets, including 14 medical journal publications.

A Novel Multi-Targeting Approach to Treating Hair Loss, Using Standardized Nutraceuticals.

New Insight Into the Pathophysiology of Hair Loss Trigger a Paradigm Shift in the Treatment Approach.

A Six-Month, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Safety and Efficacy of a Nutraceutical Supplement for Promoting Hair Growth in Women With Self-Perceived Thinning Hair.

Trusted by Doctors.

#1 Dermatologist-Recommended

Hair Growth Supplement Brand*

Dr. Julie Russak, M.D.

“Nutrafol is a necessary part of my hair growth protocol since I have personally seen the positive impact it can have on the hair health of my clients.”

Dr. Julie Russak, M.D.

FAAD Board-Certified Dermatologist

Dr. Hope Mitchell M.D.

“I've been consistently impressed with Nutrafol's Hair Growth Nutraceuticals. I've seen a noticeable improvement in my patients' hair thickness and overall scalp health after three to six months of consistent use.”

Dr. Hope Mitchell M.D.

Board-Certified Dermatologist

Dr. Rawn Bosley, M.D.

“As a physician, it is important that I rely on science when making recommendations for my patients. The clinical studies are clear; it works. My patients have experienced overwhelming satisfaction with Nutrafol, noting significant improvements in visible hair thickness and growth.”

Dr. Rawn Bosley, M.D.

Double Board-Certified Dermatologist

Experts compensated for their opinion and experience.

We’re serious about facts.
Ask away.

What is a clinical study?

A clinical study, clinical trial, or clinical research study is an investigation conducted to evaluate the safety, efficacy, and/or product-related adverse reactions of a product, therapy, device, or diagnostic test. Nutrafol conducts clinical studies to show the effectiveness of our final product formulations, something that is not required in the dietary supplement industry. As experts in hair biology and key root causes that affect hair health, Nutrafol shares our clinical study results with the scientific community through peer-reviewed publications and presents our findings at prominent dermatological and medical conferences.

How does Nutrafol design their clinical studies and why?

Nutrafol’s rigorous clinical testing includes various types of clinical studies, each of which is utilized for a specific scientific purpose. Our studies are designed with clinical and scientific experts, according to accepted research standards and the most up-to-date techniques available.

What is a publication and why does it matter that they are peer-reviewed?

A publication refers to an article or research paper that has been written and submitted for public dissemination, typically in a scientific or academic context. Publications are important because they allow researchers to share their findings with the broader scientific community, contributing to the advancement of knowledge, research, and expertise in their field. Peer review is a critical process that ensures the quality and reliability of publications.

Peer review involves the evaluation of the article by experts (peers) in the same field as the author(s) of the paper. These experts assess the validity, significance, and originality of the research before it can be published. It verifies the credibility and accuracy of the study's design, findings, and final interpretation before they are shared with the scientific community and the public.

Peer-reviewed publications are considered more credible and reputable, as compared to non-peer-reviewed papers, because their content has been vetted by experts. This helps readers and researchers trust the validity and reliability of the information presented.

What does “statistically significant” mean?

Statistically significant means that the results of a study have been analyzed by appropriate statistical tests and indicate that the outcome was unlikely to have occurred just by chance. This is crucial in scientific research because it helps determine whether findings are reliable, versus a random occurrence.

What is a randomized, placebo-controlled trial?

Randomized, placebo-controlled refers to elements of a study design used in scientific research, especially in clinical trials evaluating the effectiveness of products or interventions. It is considered a gold standard in clinical research for evaluating the efficacy of new products or ingredients because it helps control for various biases and confounding/variable factors.

When a study is randomized, participants are randomly assigned to different groups. This randomness helps to minimize bias and ensures that the subjects aren't purposely assigned to a group that may change the outcome.

In a placebo-controlled study, one group of participants receives the product or ingredient being tested (the active group), while another group receives a placebo—a dummy product that looks like the real product but has no formula ingredients or therapeutic effect (the control group). This allows researchers to compare the effects of the actual product against those of the placebo.

What does “double-blind” mean?

A double-blind study is one in which neither the participants nor the investigators know who is receiving the test product and who is receiving an alternative product, often times the placebo.

Together, all these elements of study design—including double-blinding, randomization, and placebo-controlled—provide highly credible evidence by reducing bias and providing the most rigorous method to examine the efficacy of a product.

Does the FDA require clinical studies for supplements?

The FDA does not expressly require clinical studies for supplements, but the FDA and the FTC do require substantiation for claims used in marketing. Some brands use clinical studies to satisfy this requirement, but most supplements use ingredient studies conducted by third-party suppliers and/or perception studies in lieu of clinical studies on their finished products.

At Nutrafol, we continuously clinically test our products to ensure they deliver real results.

More about our Science.

The #1 dermatologist-recommended hair growth supplement brand.*

Nutrafol® is the best-selling hair growth supplement brand** built on a science-backed approach to whole-body wellness and hair health. Our products are clinically tested and physician-formulated to support different bio-specific needs during various life stages and lifestyles so that you can grow into the best version of yourself.

Our Patent

Nutrafol® is a registered trademark of Nutraceutical Wellness, Inc. Synergen Complex® is a registered trademark of Nutraceutical Wellness Inc.
U.S. Patent Nos. 11,213,478, 10,709,659 and 10,688,037.

© 2025 Nutraceutical Wellness Inc. All Rights Reserved.
These statements have not been evaluated by the Food and Drug Administration.
These products are not intended to diagnose, treat, cure, or prevent any disease.
*According to IQVIA ProVoice survey for 12 months ending March 31, 2024.
**Nutrafol’s calculation based in part on data reported by NIQ through its Omnisales Service for the Hair Growth Supplement category for the 52-week period ending 11/30/2024 for the U.S. market according to Nutrafol’s custom product hierarchy. Copyright © 2025, Nielsen Consumer LLC.

The #1 dermatologist-recommended hair growth supplement brand.*

Nutrafol® is the best-selling hair growth supplement brand** built on a science-backed approach to whole-body wellness and hair health. Our products are clinically tested and physician-formulated to support different bio-specific needs during various life stages and lifestyles so that you can grow into the best version of yourself.

Our Patent

Nutrafol® is a registered trademark of Nutraceutical Wellness, Inc. Synergen Complex® is a registered trademark of Nutraceutical Wellness Inc.
U.S. Patent Nos. 11,213,478, 10,709,659 and 10,688,037.

© 2025 Nutraceutical Wellness Inc. All Rights Reserved.
These statements have not been evaluated by the Food and Drug Administration.
These products are not intended to diagnose, treat, cure, or prevent any disease.
*According to IQVIA ProVoice survey for 12 months ending March 31, 2024.
**Nutrafol’s calculation based in part on data reported by NIQ through its Omnisales Service for the Hair Growth Supplement category for the 52-week period ending 11/30/2024 for the U.S. market according to Nutrafol’s custom product hierarchy. Copyright © 2025, Nielsen Consumer LLC.