Struggling with thinning hair or noticing more strands in your brush than usual? You are not alone. Many men and women search for the best supplements to support hair growth when they want to restore volume and confidence. In this guide, we review nine top-rated products from brands like Advanced Trichology, Nature’s Bounty, and Nutrafol. Whether you are dealing with genetic thinning, hormonal changes, or just want stronger strands, these supplements offer targeted support. For more insights, check out our guide to hair growth support for men.

1
Best Seller

Advanced Trichology DHT Blocker Hair Growth

Advanced Trichology
9.9 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This DHT Blocker from Advanced Trichology is a targeted hair growth supplement designed to combat genetic thinning in both men and women. Backed by 20 years of clinical experience, it features a unique blend of 11 natural ingredients, probiotics, and prebiotics to support hair health and reduce hair loss.
Pros & Cons

Pros

  • Trichologist-developed with real clinical experience, adding credibility.
  • Includes probiotics and prebiotics, which are often missing in hair supplements.
  • Suitable for both men and women with genetic thinning.
  • Gluten-free and vegetarian, accommodating dietary needs.
  • Positive clinical results reported by the brand, indicating effectiveness.

Cons

  • No customer reviews available yet, so real-world feedback is limited.
  • Results may take several months of consistent use, as is typical for hair growth supplements.
  • Price point is higher than some generic DHT blockers on the market.
Detailed Review

The Advanced Trichology DHT Blocker is a hair growth supplement designed for both men and women experiencing genetic thinning or pattern hair loss. It targets the root cause by inhibiting DHT, a hormone linked to hair follicle shrinkage. The product is backed by 20 years of clinical experience from hair loss clinics, making it a credible choice for those seeking a science-based approach.

What sets this supplement apart is its unique formula that combines 11 natural ingredients, including DHT-blocking herbs, probiotics, and prebiotics. This dual approach not only addresses hormonal factors but also supports digestive health, which is crucial for nutrient absorption and overall hair health. Users may notice improvements in hair thickness and reduced shedding over time.

In terms of quality, the supplement is gluten-free and vegetarian, catering to a wide audience. The brand's reputation and the fact that it was named the #1 DHT Blocker by Trichology.com in 2021 add to its trustworthiness. However, as with any supplement, individual results can vary, and consistency is key.

One potential drawback is the lack of customer reviews at this time, which makes it harder to gauge real-world efficacy. Additionally, hair growth supplements typically require several months of daily use to show visible results, so patience is needed. The price is slightly above average, but the clinical backing may justify the cost.

Overall, this DHT Blocker is a promising option for anyone struggling with genetic hair loss. Its advanced formula, clinical credibility, and inclusive design make it a strong contender in the hair growth supplement market. If you're looking for a comprehensive solution, this product is worth considering.

2
Editor's Pick

Lunakai USA Made Hair Growth Supplement for Women

Lunakai
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Lunakai's hair growth supplement is a comprehensive, 20+ nutrient formula that combines biotin, marine collagen, saw palmetto, and adaptogens to support thicker, stronger hair. Ideal for women experiencing thinning or seeking daily hair wellness, it's made in the USA and third-party tested for quality.
Pros & Cons

Pros

  • Comprehensive formula with 20+ nutrients, not just biotin.
  • Includes adaptogens for stress-related hair loss.
  • Supports hair, skin, and nails in one supplement.
  • Made in USA, third-party tested, and free from common allergens.
  • High customer trust with over 1,000,000 customers.

Cons

  • Requires taking 3 capsules daily, which may be inconvenient for some.
  • Results may take 60-90 days of consistent use, requiring patience.
  • Not suitable for those who prefer a single daily pill.
Detailed Review

Lunakai's Hair Growth Supplement for Women is a comprehensive daily vitamin designed to combat hair thinning and promote thicker, healthier strands. It's formulated for women at any stage, whether dealing with seasonal shedding, stress-related hair loss, or simply wanting to improve hair strength. With a blend of 20+ nutrients, it goes beyond basic biotin supplements to address multiple aspects of hair health.

The standout feature is its advanced formula that includes Biotin 5000mcg, Saw Palmetto, Hydrolyzed Marine Collagen, and Keratin, along with amino acids like L-Cysteine and L-Lysine. This combination supports the hair's keratin structure, nourishes from root to tip, and helps reduce breakage. The inclusion of adaptogens like Sensoril Ashwagandha and Reishi Mushroom is a thoughtful addition, targeting stress-related hair loss, which is a common concern for many women.

In terms of design and build quality, the supplement is produced in a GMP-certified US facility and undergoes third-party testing for purity and potency. The capsules are vegetarian and free from major allergens like soy, gluten, and nuts, making it accessible to a wide audience. The packaging is straightforward, with a 90-count bottle providing a 30-day supply.

One potential drawback is the need to take three capsules daily, which might be off-putting for those who prefer a one-pill solution. Additionally, results are not immediate; consistent use for 60 to 90 days is recommended to see noticeable improvements, which requires commitment. However, for women serious about addressing hair health, this is a reasonable trade-off.

Overall, Lunakai's Hair Growth Supplement offers a well-rounded, science-backed approach to hair wellness. It's a solid choice for women seeking a multi-nutrient formula that supports hair, skin, and nails. While it requires patience and a daily routine, the comprehensive blend and quality manufacturing make it a worthwhile investment for those looking to improve hair thickness and strength.

3
Limited Time

Pronexa Propidren DHT Blocker Hair Growth Pills

Pronexa
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This hair growth supplement from Pronexa uses clinically proven DHT blockers like saw palmetto and biotin to reduce hair loss and promote thicker hair. It is ideal for both men and women experiencing thinning or shedding.
Pros & Cons

Pros

  • Formulated with clinically researched DHT blockers like saw palmetto
  • Includes biotin to improve hair strength and reduce breakage
  • Natural ingredient blend supports overall hair and scalp health
  • Suitable for both men and women
  • Budget-friendly price for a hair growth supplement

Cons

  • No customer reviews yet, making it hard to assess real-world effectiveness
  • Results may take several weeks or months of consistent use
  • Capsule form may not be ideal for those who prefer topical treatments
Detailed Review

The Pronexa Propidren Hair Growth Pills are a dietary supplement designed to combat hair loss by targeting DHT, the hormone responsible for most cases of thinning. This product is ideal for men and women who want a convenient, pill-based approach to support hair regrowth and prevent further shedding.

Its standout feature is the use of saw palmetto, a clinically proven DHT blocker that inhibits the enzyme 5-alpha-reductase. Combined with biotin, which strengthens hair by boosting keratin, this formula addresses both the cause of hair loss and the quality of existing hair. Additional ingredients like horsetail and nettle extract work to revive dormant hair follicles.

The capsules are easy to swallow and come in a 60-count bottle, offering a two-month supply. The product's packaging is compact and travel-friendly. However, as a supplement, it requires consistent daily use, and results are not immediate.

A potential drawback is the lack of customer reviews, which means verified feedback on its real-world performance is not yet available. Additionally, those with severe hair loss may need to pair this with other treatments or consult a dermatologist.

Overall, the Pronexa Propidren DHT Blocker is a promising and affordable option for anyone starting a hair growth regimen. Its science-backed ingredients and unisex appeal make it a solid choice, though patience is necessary for visible results.

Key Ingredients

Saw Palmetto: Blocks 5-alpha-reductase to prevent testosterone conversion to DHT, reducing hair follicle miniaturization.

Biotin: A B-vitamin that boosts keratin production, improves hair elasticity, and protects against brittleness.

Horsetail & Nettle Extract: Rich in silica and antioxidants, supporting hair strength and scalp health.

Fo-TI & Pygeum Bark: Traditional herbs that aid in hair follicle regeneration and overall hair growth.

4
Top Rated

Viviscal Hair Growth Supplements for Women

Viviscal
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Viviscal Hair Growth Supplements for Women is a clinically proven, drug-free formula featuring the proprietary Aminomar Collagen Complex plus biotin, zinc, and vitamins to reduce hair shedding and promote thicker, fuller hair. It's ideal for women experiencing thinning hair due to stress, hormonal changes, aging, or other common factors.
Pros & Cons

Pros

  • Clinically proven with a 32% increase in hair count and 39% reduction in shedding
  • Drug-free formula with natural ingredients like Aminomar Collagen Complex
  • Addresses multiple causes of thinning hair including hormonal changes and aging
  • Highly rated with 4.6 out of 5 stars from users
  • Easy to incorporate into daily routine with just two tablets

Cons

  • Requires consistent use for 3 to 6 months to see optimal results
  • May not be effective for everyone, especially those with severe medical conditions
  • Relatively higher price point compared to basic biotin supplements
Detailed Review

Viviscal Hair Growth Supplements for Women is a clinically proven solution designed for women experiencing thinning hair due to various factors like stress, hormonal changes, aging, and heredity. Backed by 25 years of research, this supplement aims to nourish hair from within and reduce shedding while promoting thicker, fuller hair.

Standout features include the proprietary Aminomar Collagen Complex, a blend of marine collagen and other nutrients, combined with biotin, zinc, vitamin C, and niacin. Clinical data shows a 32% increase in hair count and a 39% decrease in shedding, with 92% of women reporting increased thickness after 3 to 6 months of twice-daily use. The formula is drug-free and free from parabens, SLS, and sulfates, making it safe for daily use.

In terms of design, the supplement comes in easy-to-swallow tablets, and the packaging is compact for travel. Users appreciate the once-daily regimen, though results require patience. The product is recommended by doctors and stylists, adding to its credibility.

Potential drawbacks include the need for consistent use over several months and a higher cost compared to basic biotin supplements. Additionally, individual results may vary, especially for those with underlying medical conditions.

Overall, Viviscal Hair Growth Supplements offer a well-researched, drug-free option for women seeking to improve hair density and reduce shedding. With strong clinical backing and positive user feedback, it is a solid choice for those committed to a longer-term hair care routine.

5

Nutrafol Women's Balance Hair Growth Supplements

Nutrafol
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Nutrafol Women's Balance is a physician-formulated supplement targeting six root causes of thinning hair in women over 45, including menopause and hormone shifts. Its science-backed blend of 21 vitamins and natural ingredients like Ashwagandha and Saw Palmetto supports visibly thicker, fuller hair, with clinical results showing 93% of women saw healthier hair after 6 months.
Pros & Cons

Pros

  • Clinically proven to improve hair thickness and scalp coverage in 3-6 months
  • Targets multiple causes of thinning hair specific to menopause and aging
  • Dermatologist recommended and backed by rigorous safety reviews
  • Compatible with GLP-1 medications for broader user suitability
  • Generous 1-month supply with 120 capsules for daily use

Cons

  • Requires daily commitment of 4 capsules, which may be inconvenient for some users
  • Results can take up to 6 months to become noticeable, requiring patience
  • Price may be higher compared to single-ingredient supplements
Detailed Review

Nutrafol Women's Balance Hair Growth Supplements are specially designed for women over 45 who are experiencing thinning hair due to menopause, hormone shifts, or aging. Unlike generic hair supplements, this physician-formulated product tackles six underlying causes of hair loss, including stress, nutrition, and metabolic changes, making it a comprehensive solution for mature women.

The standout feature of this supplement is its clinical backing: in a study, 93% of women reported healthier-looking hair after six months, and 100% showed improved hair growth after nine months. The proprietary blend of 21 ingredients, including Ashwagandha, Maca, and Saw Palmetto, works synergistically to support hair health from within, and it's the number one dermatologist-recommended brand, which adds credibility.

In terms of design and build quality, Nutrafol Women's Balance comes in a practical 120-count bottle for a month's supply. The capsules are easy to swallow, and the daily four-capsule regimen is straightforward. The product's safety profile is strong, with rigorous reviews confirming compatibility with GLP-1 medications, appealing to a broader audience.

However, potential drawbacks include the waiting period for results, which can test patience. Users must commit to daily intake without fail, and the cost may be a concern for those on a tight budget. Some users might also experience minor digestive adjustments initially, though this is not common.

Overall, Nutrafol Women's Balance is a top-tier choice for women 45+ looking to restore hair density and strength. Its scientific approach, targeted formulation, and dermatologist endorsement make it a reliable investment in hair health. If you're willing to be consistent and patient, this supplement can deliver transformative results.

6

Nature's Bounty Biotin 10000mcg Hair Skin

Nature's Bounty
9.6 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Nature's Bounty Biotin 10000mcg softgels provide essential support for hair, skin, and nail health while aiding energy metabolism. Ideal for anyone looking to enhance their beauty regimen with a trusted, science-backed supplement.
Pros & Cons

Pros

  • High potency 10,000 mcg biotin per softgel
  • Supports multiple beauty and wellness benefits
  • Reputable brand with decades of research
  • Affordable price for a 120 count supply

Cons

  • Some users may prefer tablets over softgels
  • Results may vary and require consistent use over time
  • Contains no additional vitamins or minerals beyond biotin
Detailed Review

Nature's Bounty Biotin Hair Skin and Nails Vitamins are a popular supplement designed for those who want to support their beauty from within. Each softgel delivers 10,000 mcg of biotin, a B vitamin known for its role in maintaining healthy hair, skin, and nails. This product is ideal for adults looking to enhance their daily nutrition with a high potency biotin formula.

The standout feature is the concentrated 10,000 mcg dose, which is higher than many standard biotin supplements. Users often report noticeable improvements in hair thickness and nail strength after several weeks of consistent use. The added benefit of energy metabolism support makes it a versatile choice for overall wellness.

The softgels are small and easy to swallow, with no unpleasant aftertaste. The bottle contains 120 softgels, providing a four month supply at the recommended dosage. Nature's Bounty has a strong reputation for quality, backed by 50 years of scientific research, so you can trust the purity and potency of each capsule.

One potential drawback is that this supplement contains only biotin, without additional vitamins or minerals that some competing products include. Also, results can vary from person to person, and it may take several weeks to see visible changes. Those with specific dietary needs should check the label for allergens.

Overall, Nature's Bounty Biotin 10000mcg softgels offer a reliable and affordable way to support hair, skin, and nail health. With a trusted brand and a high dose of biotin, this product is a solid choice for anyone seeking beauty and wellness benefits from a single supplement.

Specifications

Product: Nature's Bounty Biotin Hair Skin and Nails Vitamins

Form: Softgel

Strength: 10,000 mcg biotin per softgel

Count: 120 softgels per bottle

Color: Green

Dimensions: 1.98 x 1.98 x 4.17 inches

Weight: 0.14 pounds

Product Group: Drugstore

7

Nature Made Hair Growth Softgels with Lustriva

Nature Made
9.5 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Nature Made Hair Growth Softgels combine clinically studied Lustriva with biotin 10000mcg, vitamin A, and vitamin C to support thicker, fuller hair in 12 weeks. Ideal for anyone looking to enhance hair density and health as they age.
Pros & Cons

Pros

  • Backed by clinical study for hair thickness and fullness.
  • High biotin dosage for noticeable results over time.
  • Clean formula: gluten free, no artificial ingredients.
  • Trusted brand with strong pharmacist recommendation.
  • Convenient once-daily softgel fits any routine.

Cons

  • Results may take up to 12 weeks to become visible.
  • Not suitable for those with allergies to any ingredients; consult physician before use.
  • Only 30-day supply may require frequent repurchase for ongoing use.
Detailed Review

Nature Made Hair Growth Softgels are a targeted supplement designed for individuals seeking to improve hair thickness and overall hair health. With a clinically studied ingredient called Lustriva, this formula promises to support thicker, fuller existing hair in 12 weeks. It is ideal for adults experiencing age-related hair thinning or those who want to boost their hair care routine with a scientifically backed option.

The standout feature is the Lustriva complex, which includes 10,000 mcg of biotin per serving. Biotin is well-known for supporting healthy hair, skin, and nails, especially as you age. Additionally, vitamin A and vitamin C provide antioxidant protection and contribute to skin health. This combination targets both hair density and overall wellness, making it a comprehensive choice for hair support.

In terms of design and build quality, the softgels are gluten free and free from artificial flavors or synthetic dyes. Nature Made is a reputable brand, often recommended by pharmacists, which adds to the trustworthiness. The bottle contains a 30-day supply, and the softgels are easy to swallow with water and a meal. The packaging is standard but functional, with clear labeling of ingredients and usage instructions.

Potential drawbacks include the time frame for results: users may need to wait up to 12 weeks to see noticeable changes. Also, as with any supplement, individual results can vary, and it is important to consult a physician before starting, especially if you have underlying health conditions or are taking other medications. The product is not intended to diagnose or treat any disease, so it should be viewed as a supportive addition rather than a cure.

Overall, Nature Made Hair Growth Softgels offer a solid, research-backed option for those serious about improving hair thickness. With a clean formula and a trusted brand behind it, this supplement is worth considering for anyone looking to support their hair health naturally. Consistent daily use combined with patience will yield the best results.

8

NUTRAHARMONY Biotin, Collagen & Keratin + Full

NUTRAHARMONY
9.5 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
This beauty supplement from NUTRAHARMONY combines biotin, collagen, keratin, and a full B-complex to support hair, skin, and nail health. With a clinically studied formula and clean ingredients, it's a solid choice for anyone looking to enhance their beauty routine from within.
Pros & Cons

Pros

  • Clinically studied ingredients with visible hair and scalp improvements
  • Comprehensive formula with biotin, collagen, keratin, and all B vitamins
  • Clean label: non-GMO, gluten-free, no harsh additives
  • Suitable for all hair types and both genders
  • Made in USA with third-party testing for quality assurance

Cons

  • Results may take 1-3 months of consistent use to notice visible changes
  • Some users may find the 2-capsule serving size inconvenient
  • Higher price point compared to basic biotin supplements
Detailed Review

The NUTRAHARMONY Biotin, Collagen & Keratin supplement is a comprehensive beauty formula designed for individuals seeking to improve their hair, skin, and nail health. It is particularly suitable for those with thinning hair, brittle nails, or dry skin, as well as anyone wanting a convenient daily nutrient boost.

The standout feature is the clinically tested blend, which showed support for a healthy hair growth cycle and improved scalp appearance in a 90-day study. The inclusion of a full-spectrum B-complex, including 25,000 mcg of biotin per serving, ensures broad nutritional support that goes beyond typical hair supplements.

Formulated with clean ingredients, this supplement is free from GMOs, gluten, and harsh fillers, making it a trustworthy choice for health-conscious consumers. The capsules are easy to swallow, and the brand's commitment to third-party testing adds credibility to its quality claims.

However, potential drawbacks include the need for consistent, long-term use (1-3 months) to see results, which may test patience. Additionally, the price is higher than basic biotin options, but the multi-ingredient formula justifies the cost for those wanting an all-in-one solution.

Overall, this product is a well-rounded option for anyone serious about enhancing their natural beauty from within. Its balanced formula and clinical backing make it a reliable addition to a daily wellness routine, with the caveat that results require time and consistency.

Specifications

Size: 60 Count (Pack of 1)

Weight: 0.14991433816 Pounds

Product Group: Drugstore

Binding: Health and Beauty

Dosage: 2 capsules per serving

Key Ingredients: Biotin (25,000 mcg), Collagen, Keratin, Hyaluronic Acid, Vitamins A, E, B1, B2, B3, B5, B6, B9 (Folate), B12 (Methylcobalamin)

Allergen Information: Free from GMOs, gluten, unnecessary additives, and harsh fillers

Manufacturing: Made in USA with globally sourced ingredients in GMP-certified facilities, third-party tested

Buyer Guide

When considering a hair, skin, and nail supplement, look for key ingredients like biotin, collagen, keratin, and B vitamins, which are essential for structural support and cellular function. This product covers all bases with a clinically tested formula.

Check for third-party testing and GMP certification to ensure quality and purity, as this product offers. Also, consider your dietary restrictions; this supplement is non-GMO and gluten-free, making it suitable for many.

Be patient with results. Supplements typically require 1-3 months of consistent use to show visible improvements. Consistency is key, so integrate it into your daily routine.

Compare prices per serving, but remember that a higher price may be justified by a more comprehensive formula and clinical backing. Always consult with a healthcare provider before starting any new supplement, especially if you have underlying conditions or are taking medication.

Buying Guide: What to Look for in Hair Growth Supplements

Targeted Ingredients for Your Hair Loss Type

Not all hair loss is the same. Genetic thinning often responds to DHT blockers like saw palmetto and nettle extract. Hormonal shifts, especially during menopause, may benefit from adaptogens such as ashwagandha. Look for formulas that address your specific root cause. For men, we have a dedicated review of male hair growth supplements that covers these nuances.

Clinical Evidence and Ingredient Transparency

Choose supplements backed by clinical studies or developed by trichologists. Brands that share ingredient sourcing and third-party validation offer more trust. Avoid products with vague blends. Transparent labels help you confirm you are getting effective doses of biotin, collagen, keratin, and key vitamins.

Formulation for Your Lifestyle

Consider whether you prefer a simple biotin softgel or a comprehensive multivitamin with adaptogens. Some supplements target stress-related shedding, while others focus on keratin structure. Also check for allergens like gluten or gelatin if you have dietary restrictions. For natural options, see our list of natural hair growth supplements for men.

Consistency and Patience

Hair growth takes time. Most supplements require three to six months of daily use to show visible results. Choose a product you can commit to, with a dosage schedule that fits your routine. The best supplement is one you actually take every day.

Final Thoughts: Which Supplement Is Right for You?

After reviewing the top contenders, we believe the best supplements to support hair growth depend on your individual needs. For genetic thinning, the DHT Blocker – Hair Growth Supplement for Genetic from Advanced Trichology stands out with its trichologist-developed formula. If you want an all-in-one beauty complex, the Lunakai USA Made Hair Growth Supplement for Women offers 20+ nutrients including marine collagen and adaptogens. For a budget-friendly DHT blocker, Propidren DHT Blocker & Hair Growth Pills To Stop from Pronexa is a solid choice. Women over 45 may prefer the Nutrafol Women’s Balance Hair Growth Supplements, which target hormonal shifts. The Viviscal Hair Growth Supplements for Women are clinically proven to reduce shedding. For a classic biotin boost, Nature’s Bounty Biotin Hair Skin and Nails is reliable and affordable. Biotin, Collagen & Keratin + Full B-Complex from NUTRAHARMONY combines beauty nutrients in one capsule. Nature Made Hair Growth Softgels, 30 Softgels feature clinically studied Lustriva. Finally, TitanFlow Prostate Support Supplement is included for those seeking prostate health alongside hair support. Choose the one that matches your hair goals and lifestyle.

Frequently Asked Questions

How long do hair growth supplements take to work?

Most supplements require consistent use for three to six months before you see noticeable changes. Hair grows slowly, so patience is key. Some users report reduced shedding within the first few weeks, but full results typically appear after several months of daily use.

Can hair growth supplements help with genetic baldness?

Yes, many supplements contain DHT blockers like saw palmetto that can slow or reduce hair loss caused by genetics. They may also support regrowth in some individuals. However, results vary, and they work best when combined with a healthy lifestyle. For more details, read our guide to vitamins for hair growth in men.

Are there any side effects from hair growth supplements?

Most are well tolerated, but some people may experience mild digestive upset or allergic reactions to ingredients like biotin or herbal extracts. Always consult your doctor before starting a new supplement, especially if you take other medications or have underlying health conditions.

Do I need a prescription for these supplements?

No, all the products reviewed here are over-the-counter dietary supplements. They do not require a prescription. However, for serious hair loss, a dermatologist can help determine if a prescription treatment might be more appropriate alongside supplements.