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Collagen 1500 + C

Mason Natural
4.7
★ ★ ★ ★ ★
(2254 ratings)
Biotin 2400 mcg
Collagen 1500 mg
Product Image
Score73
Best suited to people who prefer capsules and accept moderate rather than high collagen potency; the 1.5 g collagen amount is modest compared with powders and higher-dose liquids, so expectations should match the smaller serving.
How scoring works
Quantity:120 Capsule(s) • (40 servings)
Goals:
Skin Health
Hair Health

Score 73

Best suited to people who prefer capsules and accept moderate rather than high collagen potency; the 1.5 g collagen amount is modest compared with powders and higher-dose liquids, so expectations should match the smaller serving.
How scoring works
$14.29($0.35 per serving)
Vitacost
$ 16.29
iHerb
$ 14.29
Amazon
$ 15.99
Walmart
$ 18.65
Pure Formulas
$ 15.74
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Analysis

Hydrolyzed bovine collagen, vitamin C, and biotin form a focused capsule blend for skin and hair support. The disclosed amounts make the main contribution reasonably easy to judge.

The 1.5 g collagen amount is modest compared with powders and higher-dose liquids, so expectations should match the smaller serving. Practical value depends on whether the main active and format match the user’s priority.

The product is best suited to people who prefer capsules and accept moderate rather than high collagen potency. Benefits for appearance, structure, or wellness should be viewed as nutritional support rather than a guaranteed visible change.

Who is it for
  • People who prefer capsules and accept moderate rather than high collagen potency
  • Adults whose diet leaves a gap addressed by the core ingredients
  • Users comfortable with the listed format and serving size
Best for
  • Uses hydrolyzed bovine collagen
  • Vitamin C amount supports collagen formation
  • Users who accept that collagen amount is modest

Pros

  • Uses hydrolyzed bovine collagen
  • Vitamin C amount supports collagen formation
  • Competitive serving value
  • Focused formula without a long blend

Cons

  • Collagen amount is modest
  • Biotin may add little without inadequate intake
  • Three-capsule serving is less convenient than one capsule
  • No collagen type or peptide profile is given

Warnings

  • The 2,400 mcg biotin amount may distort thyroid, hormone, or cardiac troponin blood tests; disclose use before testing.
  • Bovine collagen is unsuitable for people with beef allergy and may not fit vegetarian or some religious dietary practices.
  • The 54 mg calcium should be counted when timing levothyroxine or tetracycline and quinolone antibiotics, though the amount is modest.

Nutrient quality

74 High impact

Hydrolyzed bovine collagen and calcium phosphate are clearly identified forms, and vitamin C and biotin are substantial, while collagen is modest for a dedicated product. High biotin may distort some thyroid, hormone, and cardiac laboratory tests, while the focused formula avoids low-value extras.

Ingredient transparency

77 High impact

Specific amounts are listed for every supplied active ingredient. No proprietary blend hides active doses, while capsule materials and inactive ingredients are not provided.

Customer satisfaction

72 High impact

The supplied aggregate satisfaction metric is favorable, and the large amount of aggregate feedback makes the metric highly stable. No review excerpts were provided, so recurring complaints and purpose-specific experiences cannot be checked.

Value for money

68 High impact

The focused formula supports fair value, but collagen is modest. The serving is economical but requires several capsules for a limited collagen dose, while the formula avoids low-value extras.

Report analysis

Goals

Skin Health
Skin Health
Impact
Highest effect
A Goal FitB- Strength of SupportB- CoverageA- Formula Quality
Vitamin C · 150 mgCollagen · 1500 mg

Hydrolyzed bovine collagen and vitamin C form a direct structural-support combination. The 1,500 mg collagen amount is modest, while vitamin C is sufficient as a synthesis cofactor.

Biotin broadens the formula mainly for people with deficiency and does not address hydration as directly as ceramides or hyaluronic acid. Its high biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests.

Study evidence
Biotin Supportive 10 studies
Collagen Supportive 62 studies
Vitamin C Supportive 53 studies
Hair Health
Hair Health
Impact
High effect
C+ Goal FitC Strength of SupportC- CoverageA Formula Quality
Biotin · 2400 mcgVitamin C · 150 mgCollagen · 1500 mg

Hydrolyzed collagen, vitamin C, and biotin create a plausible structural hair-support combination. Evidence is strongest for correcting biotin deficiency, while collagen evidence for hair remains limited.

The collagen amount is modest and the biotin amount is substantial, with all key quantities disclosed. Vitamin C logically supports collagen formation and strengthens the formula design.

Study evidence
Biotin Supportive 4 studies
Collagen Supportive 3 studies
Vitamin C Mixed 5 studies

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 150 mg
Biotin
2400 mcg
Calcium (Calcium Phosphate)
 54 mg
Hydrolyzed Collagen (Bovine)
 1500 mg
Gluten Free Adults 18–50
Report overview
Biotin · 2400 mcg OverallScore69
B+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC Value

The capsule combines a near-moderate biotin dose with collagen and vitamin C. Clear standalone labeling is helpful, but the active biotin isomer is not identified. The added collagen makes the formula broader than a dedicated biotin supplement and supports a neutral value judgment.

View ingredientView products
Collagen (Bovine) · 1500 mg OverallScore45
C+ Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyB- Value

Hydrolyzed bovine collagen provides an absorption-friendly form with clear animal sourcing. The dose is modest, and the collagen type, branded backing, protein match, and amino acid profile are not supplied. Cost per gram is competitive for a capsule-based option.

View ingredientView products
Loading alternative details
83 Performance

High Potency Maxi-Collagen 7000

Country Life
<p>Type I and III collagen plus Verisol peptides provide a much larger labeled collagen amount alongside vitamin C and biotin. Compared with the original, the supplied collagen, skin, hair, and nail analyses are stronger, although the biotin amount is lower and serving cost is higher.</p>
87 Performance

Collagen + C 2500 mg

Spring Valley
<p>A 2500 mg Verisol collagen serving with vitamin C has strong supplied collagen and skin alignment. Compared with the original, the provided overall and skin analyses are stronger, but biotin is absent and the formula may not cover hair or nail priorities as broadly.</p>
85 Performance

Collagen 6000 mg

youtheory
<p>A 6000 mg hydrolyzed collagen serving with vitamin C provides a concentrated collagen-focused formula. Compared with the original, the supplied collagen, skin, hair, nail, and joint analyses are stronger, but biotin is absent.</p>
84 Budget

Biotin 5000 mcg

Spring Valley
<p>A 5000 mcg D-biotin serving provides strong supplied biotin alignment at a lower serving cost. Compared with the original, it is a focused, economical option for biotin, but collagen and vitamin C are absent.</p>
84 Budget

Biotin 10000 mcg

Nature's Bounty
<p>A 10000 mcg D-biotin serving provides strong supplied biotin alignment at a lower serving cost. Compared with the original, the higher labeled biotin amount may suit a biotin-first goal, but collagen and vitamin C are absent.</p>
80 Budget

Biotin

Jarrow Formulas
<p>A 5000 mcg D-biotin serving with calcium provides a focused biotin option at a lower serving cost. Compared with the original, the supplied biotin alignment is stronger, but collagen and vitamin C are absent.</p>
85 Value

Collagen Skin Renewal

Natrol
<p>A 2500 mg Verisol collagen serving with vitamin C provides a clearly disclosed collagen-focused formula. Compared with the original, the supplied overall, collagen, skin, and hair analyses support the quality-to-cost balance, but biotin and vitamin E are absent.</p>
79 Value

Collagen 3000 mg Amino Acid Complex

Bronson
<p>A 3000 mg hydrolyzed collagen serving provides a larger disclosed collagen amount with straightforward ingredients. Compared with the original, the supplied overall and collagen analyses support value, but vitamin C, biotin, vitamin E, and other complementary ingredients are absent.</p>
89 Value

Biotin 10000 mcg

California Gold Nutrition
<p>A 10000 mcg D-biotin serving provides strong supplied biotin alignment at a lower serving cost. Compared with the original, it is an economical choice when biotin is the priority, but collagen and vitamin C are absent.</p>
Report alternatives

Sources

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

  1. Final report on the safety assessment of biotin.
    Fiume MZ; Cosmetic Ingredient Review Expert Panel · International journal of toxicology · 2002
    Narrative reviewSkin Health forBiotin
  2. Effects of collagen-based supplements on skin's hydration and elasticity: A systematic review and meta-analysis.
    Danessa G; Notario D; Regina R · Indian journal of dermatology, venereology and leprology · 2025
    Meta-analysis646 participants10 studies pooledSkin Health forCollagen
  3. Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis.
    Pu SY; Huang YL; Pu CM; Kang YN; Hoang KD; Chen KH; Chen C · Nutrients · 2023
    Meta-analysis1,721 participants26 studies pooledSkin Health forCollagen
  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. 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 Skin Health forBiotin
  6. Low-Molecular-Weight Collagen Peptide Supplementation Improves Cellulite Severity, Skin Elasticity, and Hair Shaft Diameter: A Clinical Study with Pharmacokinetic Evaluation.
    Hwang S; Won J; Kim S; Kang W; Park M · Journal of medicinal food · 2026
    Randomized trial114 participantsHair Health forCollagen
  7. Dietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
    Biełach-Bazyluk A; Jurga M; Flisiak I; Zbroch E · Nutrients · 2026
    Narrative reviewHair Health forCollagen
  8. 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
  9. 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
  10. Calcium and Vitamin D Supplementation with and Without Collagen on Bone Density and Skin Elasticity in Menopausal Women-A Randomized Controlled Study.
    Duangjai A; Srivilai J; Nangola S; Amornlerdpison D · Clinics and practice · 2025
    Randomized trialHair Health forCollagen
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. Exploring the Impact of Hydrolyzed Collagen Oral Supplementation on Skin Rejuvenation: A Systematic Review and Meta-Analysis.
    Dewi DAR; Arimuko A; Norawati L; Yenny SW; Setiasih NL; Perdiyana A; Arkania N; Nadhira F; Wiliantari N · Cureus · 2024
    Meta-analysis967 participants14 studies pooledSkin Health forCollagen
  20. Oral intake of collagen peptide NS improves hydration, elasticity, desquamation, and wrinkling in human skin: a randomized, double-blinded, placebo-controlled study.
    Lee M; Kim E; Ahn H; Son S; Lee H · Food & function · 2023
    Randomized trial100 participantsSkin Health forCollagen
  21. Oral Intake of Low-Molecular-Weight Collagen Peptide Improves Hydration, Elasticity, and Wrinkling in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study.
    Kim DU; Chung HC; Choi J; Sakai Y; Lee BY · Nutrients · 2018
    Randomized trial64 participantsSkin Health forCollagen
  22. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis.
    de Miranda RB; Weimer P; Rossi RC · International journal of dermatology · 2021
    Meta-analysis1,125 participants19 studies pooledSkin Health forCollagen
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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