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Haircare

Supplements

Hair growth supplements and vitamins backed by clinical research.

18 products reviewed

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Our Supplements Picks

Vital Proteins Collagen Peptides Powder product image

Best for: Best for those wanting to support skin elasticity and joint health from within, understanding this works on a much longer timeline than topical skincare.

4.5
$40–$48
Contains Hydrolyzed Bovine Collagen Peptides for broken-down collagen protein, more readily absorbed than whole collagen; Vitamin C for supports the body's own collagen synthesis process
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
NeoCell Super Collagen Powder product image

Best for: Best for those specifically wanting skin-relevant collagen types rather than a generic, unspecified collagen blend.

4.5
$19–$27
Contains Hydrolyzed Type 1 & 3 Collagen for skin-relevant collagen types; Vitamin C for supports the body's own collagen synthesis
Affordable price point — accessible for most budgets
Mid-range price — more affordable options exist
Sports Research Biotin 10000mcg product image

Best for: Best for those with an actual biotin deficiency (relatively uncommon) or specific hair/nail concerns, ideally confirmed with a healthcare provider before supplementing at high doses.

4.5
$14–$22
Contains Biotin (Vitamin B7) 10,000mcg for a high dose relative to typical dietary needs
Affordable price point — accessible for most budgets
Simpler formulation compared to premium alternatives
Nutrafol Women's Balance Hair Growth Supplement product image

Best for: Best for women experiencing hair thinning linked to hormonal changes, such as during perimenopause or postpartum, ideally after ruling out other causes with a healthcare provider.

4.7
$85–$93
Contains Synergen Complex for nutrafol's proprietary blend targeting multiple hair-thinning factors; Saw Palmetto for included for its role in hormonal balance relevant to thinning
Backed by research-supported active ingredients
Higher price point — a significant investment
Nordic Naturals Ultimate Omega Fish Oil product image

Best for: Best for those wanting general skin barrier and anti-inflammatory support from within, as a complement to (not replacement for) a topical barrier-repair routine.

4.5
$37–$45
Contains EPA (Eicosapentaenoic Acid) for anti-inflammatory omega-3 fatty acid; DHA (Docosahexaenoic Acid) for supports cell membrane health
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Hum Nutrition Hair Sweet Hair Gummies product image

Best for: Best for those with a suspected nutrient gap affecting hair growth, ideally confirmed through bloodwork rather than assumed.

4.6
$23–$31
Contains Folic Acid for supports cell division relevant to hair growth; Zinc for cofactor in multiple hair-growth-relevant processes
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Moon Juice SuperYou Daily Stress Management product image

Best for: Best for those whose skin concerns (particularly breakouts) seem to correlate with periods of high stress, wanting to address the underlying stress response rather than only the resulting skin symptom.

4.6
$46–$54
Contains Ashwagandha for adaptogenic herb studied for cortisol moderation; Rhodiola for supplementary adaptogenic herb for stress response
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Reserveage Collagen Replenish Capsules product image

Best for: Best for those who prefer capsules over mixing a powder, understanding this format typically requires a higher pill count to achieve a comparable collagen dose.

4.6
$35–$43
Contains Hydrolyzed Collagen for broken-down collagen protein in capsule form; Biotin for supplementary hair and nail support
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Olly Ultra Strength Hair Softgels product image

Best for: Best for those wanting a convenient, all-in-one hair supplement without needing to research and combine individual nutrients themselves.

4.6
$15–$23
Contains Biotin for supports keratin production; Keratin for structural protein relevant to hair
Affordable price point — accessible for most budgets
Simpler formulation compared to premium alternatives
The Beauty Chef GLOW Inner Beauty Essential product image

Best for: Best for those interested in supporting skin health through gut microbiome balance, particularly if digestive issues seem to correlate with skin flare-ups.

4.7
$62–$70
Contains Fermented Probiotic Blend for supports gut microbiome diversity; Prebiotic Fiber for feeds beneficial gut bacteria
Backed by research-supported active ingredients
Higher price point — a significant investment
Andrew Lessman Vitamin D3 + K2 product image

Best for: Best for those with confirmed or suspected vitamin D deficiency, ideally verified through bloodwork given how common deficiency is, particularly in those with limited sun exposure.

4.5
$32–$40
Contains Vitamin D3 (Cholecalciferol) for supports barrier function and immune regulation; Vitamin K2 for works synergistically with d3 for calcium regulation
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Physician's Choice Probiotic 60 Billion CFU product image

Best for: Best for those with acne wanting to explore a gut-health-focused approach alongside (not instead of) a standard topical acne routine.

4.5
$27–$35
Contains Multi-Strain Probiotic Blend (60 Billion CFU) for includes lactobacillus and bifidobacterium strains; Prebiotic Fiber for supports probiotic strain survival and gut colonization
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Perricone MD Skin and Total Body Dietary Supplement product image

Best for: Best for those interested in an anti-inflammatory nutritional approach to skin aging alongside their topical routine.

4.7
$122–$130
Contains Omega-3 Fatty Acids (Fish Oil) for anti-inflammatory support; Astaxanthin for potent antioxidant included in perricone's core philosophy
Backed by research-supported active ingredients
Higher price point — a significant investment
Garden of Life Vitamin C Whole Food Supplement product image

Best for: Best for those preferring whole-food-sourced supplements as part of a broader nutritional philosophy, alongside general immune and antioxidant support.

4.5
$19–$27
Contains Whole Food Vitamin C Blend (Acerola, Amla, and others) for natural vitamin c sources with accompanying plant compounds; Bioflavonoids for naturally occurring alongside whole-food vitamin c
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
Tula Skincare Probiotic Skin Health Supplement product image

Best for: Best for those wanting to address the gut-skin axis internally, particularly alongside (not instead of) a topical routine.

4.5
$35–$43
Contains Multi-Strain Probiotic Blend for supports gut microbiome balance; Prebiotic Fiber for supports probiotic survival and colonization
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
New Chapter Wholemega Whole Fish Oil Supplement product image

Best for: Best for those preferring a whole-food-sourced omega-3 supplement over a purified, isolated version, as part of a broader whole-food supplement philosophy.

4.5
$41–$49
Contains Whole Sockeye Salmon Oil for natural source of omega-3s and accompanying compounds; Naturally Occurring Astaxanthin for antioxidant present in wild salmon oil
Backed by research-supported active ingredients
Mid-range price — more affordable options exist
SugarBearHair Vitamins product image

Best for: Best evaluated on its actual nutrient content rather than its marketing profile, alongside any other biotin-and-vitamin-based hair supplement.

4.6
$27–$35
Contains Biotin for supports keratin production, most effective if you have an actual deficiency; Vitamin A for supports normal hair growth cycle
Affordable price point — accessible for most budgets
Mid-range price — more affordable options exist
Dose & Co Collagen Creamer product image

Best for: Best for those wanting to incorporate a collagen supplement into an existing coffee habit rather than mixing a separate drink.

4.5
$31–$39
Contains Hydrolyzed Collagen Peptides for heat-stable, dissolves into hot or cold liquids; MCT Oil Powder for added for a creamer-like texture and mouthfeel
Backed by research-supported active ingredients
Mid-range price — more affordable options exist