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Hair-Skin-Nails Adult Gummies

4.2
★ ★ ★ ★ ★
(147 ratings)
Biotin 2500 mcg
Product Image
Score68
Biotin and vitamin C are useful in an approachable gummy, though added carbohydrate and unclear duplicate vitamin C entries reduce its appeal.
How scoring works
Gummy
Quantity:150 Gummy(ies) • (75 servings)
Goals:
Nail Health
Hair Health
Skin Health

Score 68

Biotin and vitamin C are useful in an approachable gummy, though added carbohydrate and unclear duplicate vitamin C entries reduce its appeal.
How scoring works

Also available as

1 option
90 servings B7 2500 mcg • 90 Gummy(ies) • 45 servings $6.96 ($0.15 per serving)
$11.09($0.14 per serving)
Vitacost
$ 11.09
Walmart
$ 11.23
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Analysis

Biotin at 2,500 mcg provides a direct beauty-focused nutrient, while vitamin C supports normal collagen formation. The gummy format may help people who avoid tablets or capsules.

Benefits from biotin are most likely when intake is inadequate, and the formula does not cover protein, essential fats, or key minerals. Two vitamin C source entries make the total source contribution less clear than it should be.

Two gummies add four grams of carbohydrate per serving, a trade-off absent from standard capsules. The product fits someone who strongly prefers gummies, but simpler biotin products offer cleaner dosing.

Who is it for
  • Adults who strongly prefer gummies
  • People seeking biotin with added vitamin C
Best for
  • Gummy-based biotin supplementation
  • Biotin and vitamin C in one serving

Pros

  • Provides 2,500 mcg of biotin
  • Includes vitamin C
  • Easy-to-take gummy format
  • Seventy-five servings

Cons

  • Adds four grams of carbohydrate
  • Duplicate vitamin C entries are unclear
  • Does not cover other structural nutrients
  • Two gummies per serving

Warnings

  • Biotin at 2,500 mcg can interfere with thyroid, cardiac, hormone, and other laboratory tests; disclose use and follow the testing clinician’s instructions before blood work.

Nutrient quality

74 High impact

Biotin and vitamin C fit hair, skin, and nail support, but the biotin isomer is not specified. The dose is useful for targeted supplementation, while the gummy carbohydrate adds no nutritional advantage.

Ingredient transparency

72 High impact

Biotin and vitamin C amounts are supplied without a proprietary blend. Duplicate vitamin C entries, missing gummy excipients, and absent directions reduce label clarity.

Customer satisfaction

59 Moderate impact

The supplied average rating is mixed and the review base is limited. No review text is available to assess recurring complaints or beauty-related experiences.

Value for money

66 High impact

Meaningful biotin and vitamin C support reasonable formula value. The gummy carbohydrate, unclear vitamin C total, and only moderate customer rating reduce category competitiveness.

Report analysis

Goals

Nail Health
Nail Health
Impact
High effect
A Goal FitB- Strength of SupportC- CoverageB+ Formula Quality
Biotin · 2500 mcg

Biotin directly supports keratin production, while vitamin C can support connective-tissue formation around the nail unit. The formula is more targeted than a generic gummy but still lacks structural silicon, collagen, or sulfur amino acids.

The biotin amount provides focused support, though it is below the higher-dose products in this group. Gummy carbohydrates and an unclear split between the vitamin C forms reduce quality, and the biotin may still interfere with laboratory tests.

Study evidence
Biotin Supportive 8 studies
Vitamin C Supportive 1 study
Hair Health
Hair Health
Impact
High effect
C+ Goal FitB Strength of SupportD+ CoverageC+ Formula Quality
Biotin · 2500 mcgVitamin C · 100 mg

Biotin provides a meaningful keratin-support dose, while vitamin C adds general antioxidant and collagen support. Hair benefits are still most plausible when biotin status is low.

The biotin amount is clearly stated but its active isomer is not identified. Gummy carbohydrates and duplicated vitamin C forms add convenience and bulk rather than wider hair-pathway support.

Study evidence
Biotin Supportive 4 studies
Vitamin C Mixed 5 studies
Skin Health
Skin Health
Impact
Moderate effect
C Goal FitC Strength of SupportC- CoverageB Formula Quality
Vitamin C · 100 mg

Vitamin C supports collagen synthesis, while biotin contributes mainly when biotin status is low. The pairing is more skin-focused than a general multivitamin but does not provide hydration or barrier lipids.

The gummy format adds carbohydrate and the biotin form is not specified. The biotin amount may interfere with some laboratory tests, so it should be disclosed before bloodwork.

Study evidence
Biotin Supportive 10 studies
Vitamin C Supportive 53 studies

Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
4 Gram(s)
Vitamin C (Ascorbic Acid, Sodium Ascorbate)
 100 mg
Biotin
2500 mcg
Sodium
10 mg
Gluten Free Adults 18–50
Report overview
Biotin · 2500 mcg OverallScore70
C Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value

The exact biotin amount is transparent and offers moderate potency, but it falls below the top target range. Gummy delivery is less clean than a softgel or capsule, while added vitamin C makes a biotin-only value comparison incomplete. The 2,500 mcg dose may still interfere with some laboratory tests, so users should disclose it before bloodwork.

View ingredientView products
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<p>A focused NaN mcg biotin formula offers clear dosing and a simple label, though the available candidate does not improve serving cost over the original. The biotin amount is clear, although the label does not confirm the active D-biotin form. High-dose biotin can distort several laboratory tests and is unlikely to add benefit when intake is already adequate.</p>
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health Nail Health Skin Health forBiotin
  2. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health Skin Health forBiotin
  3. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  4. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  5. Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview.
    Karatas F; Sahin S; Sever AR; Altundag K · SpringerPlus · 2016
    Narrative reviewHair Health forVitamin C
  6. Elucidating causal relationships of diet-derived circulating antioxidants and the risk of non-scarring alopecia: A Mendelian randomization study.
    Ba Y; Shen L; Peng X; Zhang Y; Wang J · Medicine · 2024
    Methods validation study201,019 participantsHair Health forVitamin C
  7. Alterations of plasma antioxidants and mitochondrial DNA mutation in hair follicles of smokers.
    Liu CS; Chen HW; Lii CK; Tsai CS; Kuo CL; Wei YH · Environmental and molecular mutagenesis · 2002
    Observational studyHair Health forVitamin C
  8. Removal of synthetic hair dye using formamidine sulfinic acid and other sulfinate precursors.
    Hawkes JA; Lewis DM; Mama J; Murray J · International journal of cosmetic science · 2026
    Methods validation studyHair Health forVitamin C
  9. A Zinc Sulphate-Resistant Acrodermatitis Enteropathica Patient with a Novel Mutation in SLC39A4 Gene.
    Kilic M; Taskesen M; Coskun T; Gürakan F; Tokatli A; Sivri HS; Dursun A; Schmitt S; Küry S · JIMD reports · 2013
    Case reportHair Health forVitamin C
  10. Biotin for the treatment of nail disease: what is the evidence?
    Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
    Narrative reviewNail Health forBiotin
  11. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
    Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
    Other32 participantsNail Health forBiotin
  12. Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
    Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
    Randomized trial50 participantsNail Health forBiotin
  13. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forBiotin
  14. Vitamin C Deficiency in Inflammatory Bowel Disease: The Forgotten Micronutrient.
    Dunleavy KA; Ungaro RC; Manning L; Gold S; Novak J; Colombel JF · Crohn's & colitis 360 · 2023
    Other20 participantsNail Health forVitamin C
  15. Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
    Aksac SE; Bilgili SG; Yavuz GO; Yavuz IH; Aksac M; Karadag AS · International journal of dermatology · 2021
    Non-randomized trial60 participantsSkin Health forBiotin
  16. Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
    Messaritakis J; Kattamis C; Karabula C; Matsaniotis N · Archives of disease in childhood · 1976
    Non-randomized trial25 participantsSkin Health forBiotin
  17. Holocarboxylase synthetase deficiency: novel clinical and molecular findings.
    Tammachote R; Janklat S; Tongkobpetch S; Suphapeetiporn K; Shotelersuk V · Clinical genetics · 2010
    Case series4 participantsSkin Health forBiotin
  18. Evaluation of the anti-wrinkle effect of an ascorbic acid-loaded dissolving microneedle patch via a double-blind, placebo-controlled clinical study.
    Lee C; Yang H; Kim S; Kim M; Kang H; Kim N; An S; Koh J; Jung H · International journal of cosmetic science · 2017
    Randomized trial23 participantsSkin Health forVitamin C
  19. Comparative Study on the Outcome of Periorbital Wrinkles Treated with Laser-Assisted Delivery of Vitamin C or Vitamin C Plus Growth Factors: A Randomized, Double-blind, Clinical Trial.
    Machado BHB; Frame J; Zhang J; Najlah M · Aesthetic plastic surgery · 2021
    Randomized trial149 participantsSkin Health forVitamin C
  20. Randomized trial of topical ascorbic acid in DMSO versus imiquimod for the treatment of basal cell carcinoma.
    Burke B; Bailie JE · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
    Randomized trial25 participantsSkin Health forVitamin C
  21. Vitamin C improves healing of foot ulcers: a randomised, double-blind, placebo-controlled trial.
    Gunton JE; Girgis CM; Lau T; Vicaretti M; Begg L; Flood V · The British journal of nutrition · 2022
    Randomized trial16 participantsSkin Health forVitamin C
  22. Dietary nutrient intakes and skin-aging appearance among middle-aged American women.
    Cosgrove MC; Franco OH; Granger SP; Murray PG; Mayes AE · The American journal of clinical nutrition · 2007
    Cross-sectional study4,025 participantsSkin Health forVitamin C