CleanLabelReport
Supplement Review · Updated August 2026

Best Hair Growth Supplements 2026: What the Labels Show.

We read the labels of 29 hair growth supplements. 24 leave iron or zinc off the panel entirely. Hair grows on three layers. One formula of 29 puts all three on the same label.
The ProblemThe ChecksThe Ranking
Best hair growth supplements 2026 ranked on biotin dose, follicle minerals, and scalp botanicals
The Problem

Biotin is the easy layer. The panel usually stops there.

Every hair supplement carries biotin, because biotin is cheap, safe and easy to put a big number next to. Of the 29 labels we read, 21 print 2,500 mcg or more. That is the layer nobody misses. It is also the layer most people were never short on, which is why so many bottles feel like nothing is happening after three months of taking them.

The layer that gets skipped is the mineral one. Iron and zinc are the two nutrients the dermatology literature keeps returning to when it discusses hair shedding, and 24 of the 29 formulas we read leave one or both off the panel completely. A supplement can carry 10,000 mcg of biotin and still have nothing on it for the follicle underneath the strand.

The third layer is the scalp. Saw palmetto and the traditional hair botanicals sit on 7 of the 29 labels, and on most of those they are inside a blend. Add the sugar problem, because 6 of the 29 are gummies carrying 2 g of sugar or more per serving, and the shortlist gets very short. One formula of 29 carried the keratin material, both follicle minerals and a real botanical group, with no sugar in the serving.

Three months of biotin and nothing changed? Read the mineral lines.

Hair grows on a long cycle, so patience is fair. But if you gave a bottle a full cycle and saw nothing, check what else was on the panel. If iron and zinc are missing and there is no botanical layer at all, you ran the cycle on one layer out of three. That is a formula problem, not a patience problem.

The Checks

Four checks. If one fails, keep reading the shelf.

01/04

Biotin at a real dose

Biotin is the raw material for keratin and it belongs on the label at 2,500 mcg or more. It is the layer every brand covers, so a formula that misses it is missing the easy part.

Biotin · 2,500 mcg or more
02/04

Follicle minerals: iron and zinc

The two minerals most often discussed in connection with hair shedding, and the two most often absent. They should both appear on the Supplement Facts panel with an amount next to them.

Iron + Zinc
03/04

Scalp botanicals, saw palmetto included

Saw palmetto is the botanical with the most research behind it on this side of hair health, usually alongside horsetail, fo-ti and nettle. Most hair formulas carry no botanical layer at all.

Saw Palmetto · Fo-Ti · Horsetail
04/04

No added sugar

A gummy that carries 2 g of sugar per serving is candy with vitamins in it, and the format limits how much of the formula fits in the dose. Capsules carry more and add nothing.

Zero Added Sugar
Side by Side

The five, line by line.

Suppla Hair Vitality#1 PickNutrafol Women#2Viviscal Advanced Hair Health#3Sports Research Biotin 10,000 mcg#4Nature's Bounty Hair, Skin & Nails Gummies#5
CriteriaHair VitalityNutrafol WomenViviscal AdvancedSports Research BiotinNature's Bounty Gummies
Checks Passed4 of 43 of 42 of 42 of 41 of 4
Biotin 2,500 mcg+✓✓−✓✓
Iron and Zinc✓−✓−−
Saw Palmetto Botanicals✓✓−−−
No Added Sugar✓✓✓✓−
Biotin Dose5,000 mcg3,000 mcg120 mcg10,000 mcg2,500 mcg
Iron · Zinc14.5 mg · 7 mgnone · 25 mg10 mg · 11 mgnonenone
Third-Party Tested✓−−✓−
Our Rating9.48.78.37.87.3
Scroll the table

Amounts read from each brand's published Supplement Facts panel in August 2026. A proprietary blend prints one total for a group of ingredients, so the amount of any single herb inside it is not stated.

The Ranking

Top 5 hair growth supplements, by the label.

No. 01
Suppla Hair Vitality
Ranked #1 of 29 labels read

Suppla Hair Vitality

Biotin 5,000 mcg · Iron 14.5 mg · Zinc 7 mg · 359 mg Botanical Blend · 60 Capsules

4/4 ChecksBiotin 5,000 mcgIron + ZincThird-Party TestedGMP · Manufactured in USA60-Day Guarantee
9.4
Label Score
Strengths 09
  • Biotin at 5,000 mcg, with thiamin, B6, folate, B12 and pantothenic acid behind it.
  • Iron 14.5 mg and zinc 7 mg, the mineral layer 24 of the 29 labels we read leave out.
  • A 359 mg botanical blend built on saw palmetto, fo-ti, horsetail, nettle and Chinese peony.
  • Vitamins A, C, D and E on the same panel, plus magnesium, manganese, calcium and potassium.
  • Sixteen vitamins and minerals in total, all printed with an amount.
  • Two capsules a day, zero sugar, no gummy and nothing to chew.
  • Third-party tested, GMP certified, manufactured in the USA.
  • Sixty capsules, a full 30-day supply per bottle.
  • 60-day money-back guarantee.
Limitations 02
  • The 359 mg botanical blend is proprietary, so the amount of each individual herb is not printed.
  • Contains soy, and the iron content means it needs to be kept away from children.
The verdict Hair is built in layers and most bottles fund one of them. This label carries biotin at 5,000 mcg and the B-complex for keratin, iron 14.5 mg and zinc 7 mg for the follicle underneath, and a 359 mg saw palmetto group for the scalp side, on an A, C, D and E base. It is the only formula of the 29 we read that passed all four checks, and it is the one we would commit a full cycle to.
See Price and Availability ✓ 60-Day Money-Back Guarantee
The runners-up · 02 to 05
Nutrafol Women
No. 02

Nutrafol Women

Capsule · Biotin 3,000 mcg · Zinc 25 mg · Saw Palmetto in Blend · 4 Capsules Daily
3 of 4Botanical HeavyPremium Price
8.7
Label
Strengths
  • Biotin at 3,000 mcg alongside vitamins A, C, D and E and selenium at 200 mcg.
  • Saw palmetto, ashwagandha, curcumin and marine collagen in the Synergen Complex.
  • The most botanical material on this page, and brand-funded clinical work behind it.
Limitations
  • No iron anywhere on the panel, so the mineral layer is half covered.
  • Both botanical groups are proprietary blends, so no individual herb amount is printed.
  • Four capsules a day at the highest price per month on this page.
The verdict The most complete competitor here and a genuinely serious botanical layer. The gap is iron: 25 mg of zinc with nothing beside it leaves half the follicle layer open, and two proprietary blends mean you never learn how much saw palmetto you bought. A strong second.
Viviscal Advanced Hair Health
No. 03

Viviscal Advanced Hair Health

Tablet · AminoMar 450 mg · Iron 10 mg · Zinc 11 mg · Biotin 120 mcg · Twice Daily
2 of 4Marine ComplexDrugstore
8.3
Label
Strengths
  • Iron 10 mg and zinc 11 mg, both printed. One of the few labels here with the mineral layer covered.
  • AminoMar marine complex at 450 mg, the ingredient the brand has built decades of research around.
  • Horsetail extract at 36.7 mg and vitamin C at 59 mg, both with amounts stated.
Limitations
  • Biotin at 120 mcg, a fraction of the amount on every other label on this page.
  • No saw palmetto and no wider botanical layer.
  • AminoMar is a proprietary complex, and the dose is two tablets a day.
The verdict The one competitor that takes the mineral layer seriously, with iron and zinc both printed. The trade is the rest of the panel: biotin at 120 mcg is a rounding error next to the rest of the shelf, and there is no scalp botanical at all. Two checks of four.
Sports Research Biotin 10,000 mcg
No. 04

Sports Research Biotin 10,000 mcg

Veggie Softgel · Biotin 10,000 mcg · Coconut Oil Carrier · Single Ingredient
2 of 4Biotin OnlyThird-Party Tested
7.8
Label
Strengths
  • The highest biotin dose on this page at 10,000 mcg, in one softgel a day.
  • Single ingredient with an organic coconut oil carrier. Nothing else in the capsule.
  • Third party tested, non-GMO project verified and certified vegan.
Limitations
  • Biotin and nothing else. No iron, no zinc, no botanicals, no vitamin base.
  • It covers the one layer nearly every other product already covers.
  • The label itself warns that high-dose biotin can interfere with lab tests.
The verdict A clean, well made, well tested single ingredient softgel that does exactly what it says. The problem is what it says: one layer of three, at a dose that was never the limiting factor. Buy it if you specifically want biotin, not if you want a hair formula.
Nature's Bounty Hair, Skin & Nails Gummies
No. 05

Nature's Bounty Hair, Skin & Nails Gummies

Gummy · Biotin 2,500 mcg · Vitamins C and E · 2 g Sugar Per Serving
1 of 4GummyAdded Sugar
7.3
Label
Strengths
  • Biotin at 2,500 mcg, which clears the strand-layer bar.
  • Vitamin C at 15 mg and vitamin E at 6.7 mg for a light antioxidant base.
  • Easy to take daily, which is not nothing on a three-month product.
Limitations
  • Two grams of sugar per two-gummy serving, from sugar and corn syrup.
  • No iron, no zinc and no botanicals of any kind on the panel.
  • The gummy format caps how much formula fits into a serving.
The verdict The most pleasant thing on this page to take and the least formula in the bottle. Biotin, a little vitamin C and E, and 2 g of sugar. One check of four, and last of the five.
What Changes, When

What to expect on a three-layer formula.

Week 04 to 08

Nails go first

Nails grow faster than hair, so they are usually the first place a full vitamin and mineral panel shows up. Less splitting and firmer edges tend to come before anything on the scalp.

Month 02 to 03

The strand feels different

Existing hair growing in on a supported follicle tends to feel thicker in the hand before it looks different in the mirror. This is the middle of the cycle.

Month 03 to 06

A full cycle

Hair grows on a long clock, and a full cycle is where consistency pays. This stage only happens for people who took the bottle daily the whole way through.

FAQ

Questions we get asked.

Four things on one panel: biotin at 2,500 mcg or more, iron and zinc both listed with amounts, a botanical layer that includes saw palmetto, and no added sugar in the serving. If any of those four is missing, the formula is covering part of the picture.
Biotin supplies raw material for keratin, and most people taking a hair supplement were not short on it to begin with. The dermatology literature keeps pointing at iron and zinc when it discusses shedding, and at botanicals on the scalp side. Biotin alone covers one layer of three.
Nails often respond within 4 to 8 weeks. Hair sits on a growth cycle measured in months, so 3 to 6 months of daily use is the honest window. Anyone judging a hair formula at week three is judging the wrong thing.
Every day, through the full cycle. These are nutrients that build to steady levels, not a same-week fix. The people who can say whether a formula worked are the ones who ran it daily for at least three months.
What we would buy

Strand, follicle, scalp. All three on one label.

One formula of 29 passed all four checks. This is it.

Our top pick
Suppla Hair Vitality
Hair Vitality
Suppla · 60 capsules
9.4 / 10
  • Biotin 5,000 mcg with the full B-complex behind it
  • Iron 14.5 mg and zinc 7 mg, the layer most labels skip
  • 359 mg botanical blend with saw palmetto, fo-ti, horsetail and nettle
  • Third-party tested, GMP certified, manufactured in the USA
  • 60-day money-back guarantee
See Price and Availability →
✓ 60-Day Money-Back Guarantee
The Evidence

Why three layers, and why biotin alone rarely moves the needle.

Reviews of nutrition and hair have reported support for the roles of iron and zinc in normal hair growth, while the published work on biotin points mostly at people who were low to begin with. Saw palmetto has been examined in small controlled work as a botanically derived 5-alpha-reductase inhibitor. What the literature keeps describing is coverage rather than a single hero nutrient: keratin material, the minerals underneath it and a botanical group for the scalp, taken daily across a full growth cycle.

References

  1. Almohanna HM, et al. The Role of Vitamins and Minerals in Hair Loss: A Review. Dermatol Ther (Heidelb). 2019. PubMed
  2. Patel DP, et al. A Review of the Use of Biotin for Hair Loss. Skin Appendage Disord. 2017. PubMed
  3. Trost LB, et al. The diagnosis and treatment of iron deficiency and its potential relationship to hair loss. J Am Acad Dermatol. 2006. PubMed
  4. Prager N, et al. A randomized, double-blind, placebo-controlled trial to determine the effectiveness of botanically derived inhibitors of 5-alpha-reductase in the treatment of androgenetic alopecia. J Altern Complement Med. 2002. PubMed
  5. Trüeb RM. Serum Biotin Levels in Women Complaining of Hair Loss. Int J Trichology. 2016. PubMed
  6. Rushton DH. Nutritional factors and hair loss. Clin Exp Dermatol. 2002. PubMed

Editorial Disclosure

Affiliate Disclosure: We may earn a commission when you click links on this page and make a purchase. Placements are decided from each product's published label data measured against the criteria on this page. Competitor formulas reflect each brand's publicly listed specifications as of the update date shown and may vary by SKU or batch. Brand names belong to their respective owners and are referenced for comparison only. Competitor information reflects publicly available labels as of August 2026.

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Talk to your healthcare provider before starting any supplement, especially if you take medication, are pregnant, or nursing.

© 2026 Clean Label Report. All rights reserved.

Suppla Hair Vitality
9.4 / 10 · #1 of 29 labels
See Price and AvailabilitySee Price →

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