| Organic Collagen Protein Chocolate Flavor | Codeage | 7777 mg | — | Powder |
| Collagen● OTHER INGREDIENTS (1) | youtheory | 6000 mg | — | Tablet or Pill |
| Collagen Powder Vanilla● OTHER INGREDIENTS (1) | youtheory | 6000 mg | — | Powder |
| Super Collagen 6000 mg plus Vitamin C● OTHER INGREDIENTS (2) | 21st Century | 6000 mg | — | Tablet or Pill |
| Collagen Instant-Mix 6,000 mg Natural Vanilla Flavor● OTHER INGREDIENTS (1) | youtheory | 6000 mg | — | Powder |
| Collagen 6,000 mg + Biotin● OTHER INGREDIENTS (1) | youtheory | 6000 mg | — | Tablet or Pill |
| Hydrolyzed Collagen 1000 mg● OTHER INGREDIENTS (2) | tnvitamins | 6000 mg | — | Tablet or Pill |
| Marine Collagen Berry Flavored | Nature's Answer | 5000 mg | — | Powder |
| Glow Collagen Cherry Berry | Advocare | 5000 mg | — | Powder |
| Marine Collagen Unflavored | Nature's Answer | 5000 mg | — | Powder |
| Maxi-Collagen 7000 Flavorless Powder● OTHER INGREDIENTS (1) | Country Life | 4500 mg | — | Powder |
| Hydrolyzed Collagen● OTHER INGREDIENTS (1) | Vitamin World | 4000 mg | — | Unknown |
| Liquid Collagen | Applied Nutrition | 4000 mg | — | Liquid |
| Hydrolyzed Collagen● OTHER INGREDIENTS (2) | Puritan's Pride | 4000 mg | — | Tablet or Pill |
| Hydrolyzed Collagen● OTHER INGREDIENTS (2) | Sundown Naturals | 4000 mg | — | Other (e.g. tea bag) |
| Joint Collagen + Boswellia● OTHER INGREDIENTS (2) | youtheory | 3000 mg | — | Tablet or Pill |
| Skin● OTHER INGREDIENTS (2) | youtheory | 3000 mg | — | Tablet or Pill |
| Collagen 3000 mg Amino Acid Complex● OTHER INGREDIENTS (3) | Bronson | 3000 mg | — | Tablet or Pill |
| Maximum Strength Amino 1500● OTHER INGREDIENTS (2) | Precision Engineered | 3000 mg | — | Other (e.g. tea bag) |
| Hair Collagen + Keratin● OTHER INGREDIENTS (2) | youtheory | 3000 mg | — | Tablet or Pill |
| Collagen Replete● OTHER INGREDIENTS (1) | NuMedica | 3000 mg | — | Liquid |
| Heart Collagen + Resveratrol● OTHER INGREDIENTS (2) | youtheory | 2500 mg | — | Tablet or Pill |
| #NoFilter Natural Watermelon Passionfruit Flavor | N by Nutrilite | 2500 mg | — | Gummy or Jelly |
| Porcine Collagen Powder 2500 mg | BulkSupplements.com | 2500 mg | — | Powder |
| Hydrolyzed Collagen (Fish) | BulkSupplements.com | 2500 mg | — | Powder |
| Bone Collagen + D3 & K2● OTHER INGREDIENTS (2) | youtheory | 2500 mg | — | Tablet or Pill |
| Collagen + C● OTHER INGREDIENTS (2) | revly | 2500 mg | — | Tablet or Pill |
| Collagen Peptide Plus● OTHER INGREDIENTS (1) | Confidence USA | 2500 mg | — | Powder |
| Keratin for Hair● OTHER INGREDIENTS (1) | The Vitamin Shoppe | 2000 mg | — | Capsule |
| Collagen Peptides● OTHER INGREDIENTS (1) | NaturesPlus | 2000 mg | — | Capsule |
| Collagen 1500 mg● OTHER INGREDIENTS (2) | Meijer | 1500 mg | — | Capsule |
| Free-Form Aminos● OTHER INGREDIENTS (2) | DC | 1500 mg | — | Tablet or Pill |
| Advanced Collagen● OTHER INGREDIENTS (3) | Nature's Bounty Optimal Solutions | 1500 mg | — | Tablet or Pill |
| Multi Amino Acids● OTHER INGREDIENTS (2) | Foster Regal | 1500 mg | — | Tablet or Pill |
| Collagen● OTHER INGREDIENTS (2) | Basic Vitamins | 1500 mg | — | Capsule |
| Hydrolyzed Collagen 1500 + C● OTHER INGREDIENTS (2) | Mason Natural | 1500 mg | — | Capsule |
| Multi-Amino Acids● OTHER INGREDIENTS (2) | Wonder Laboratories | 1500 mg | — | Tablet or Pill |
| Collagen Peptide | Earthborn Elements | 1200 mg | — | Capsule |
| Nails & Hair● OTHER INGREDIENTS (2) | Higher Nature | 1200 mg | — | Capsule |
| Collagen Peptide | Herbadiet | 1000 mg | — | Capsule |
| Liquid Beauty | Tropical Oasis | 1000 mg | — | Liquid |
| CP Collagen Peptides Enhancer● OTHER INGREDIENTS (1) | Biochem | 1000 mg | — | Powder |
| Collagen 500 mg● OTHER INGREDIENTS (2) | Full Life | 1000 mg | — | Capsule |
| Osteo EasySticks Natural Apple-Cinnamon Flavor | Pure Encapsulations | 1000 mg | — | Powder |
| Hyaluronic Acid● OTHER INGREDIENTS (2) | Best Naturals | 800 mg | — | Capsule |
| Colageno● OTHER INGREDIENTS (1) | Dr. Rico Perez | 750 mg | — | Capsule |
| Joint Complex● OTHER INGREDIENTS (1) | youtheory | 600 mg | — | Tablet or Pill |
| Collagen Gummies 500 mg | Applied Nutrition | 500 mg | — | Gummy or Jelly |
| Collagen Strawberry Flavor● OTHER INGREDIENTS (2) | GM Germa | 500 mg | — | Liquid |
| Joint Collagen● OTHER INGREDIENTS (2) | youtheory men | 500 mg | — | Tablet or Pill |
| Ageless Collagen● OTHER INGREDIENTS (1) | Angry Supplements | 500 mg | — | Capsule |
| Voost Beauty Strawberry Kiwi Flavored● OTHER INGREDIENTS (2) | Voost | 500 mg | — | Tablet or Pill |
| Hair, Skin & Nails● OTHER INGREDIENTS (1) | Bluebonnet Beautiful Ally | 500 mg | — | Capsule |
| Advanced Hair, Skin & Nails Formula● OTHER INGREDIENTS (3) | GNC Women's | 500 mg | — | Other (e.g. tea bag) |
| Hair, Skin & Nails● OTHER INGREDIENTS (5) | GNC Women's | 500 mg | — | Other (e.g. tea bag) |
| Biotin Plus● OTHER INGREDIENTS (3) | GNC Women's | 500 mg | — | Capsule |
| Joint Support Super Formula● OTHER INGREDIENTS (1) | Beachbody Nutritionals | 400 mg | — | Capsule |
| Bio-Calm⚠ EXCEEDS UL (2)● OTHER INGREDIENTS (2) | MBi Nutraceuticals | 400 mg | — | Capsule |
| X7 - Care● OTHER INGREDIENTS (3) | OL Olympian Labs | 400 mg | — | Tablet or Pill |
| Joint Relief Complex II● OTHER INGREDIENTS (2) | Healthy Choice Naturals | 400 mg | — | Tablet or Pill |
| Collagen Peptides Orange Blast | ZHOU | 300 mg | — | Gummy or Jelly |
| Hair, Skin & Nails | NATURELO Premium Supplements | 300 mg | — | Capsule |
| Collagen Effervescent Tablets Peach Mango | Trace Minerals | 250 mg | — | Tablet or Pill |
| Advanced Hair, Skin & Nails Formula● OTHER INGREDIENTS (3) | GNC Women's Ultra Mega | 250 mg | — | Other (e.g. tea bag) |
| Hair, Skin, & Nail essentials● OTHER INGREDIENTS (2) | Healthy Choice Naturals | 200 mg | — | Capsule |
| GO MEs Collagen Gummies Natural Lemon Flavor | AdvoCare | 200 mg | — | Gummy or Jelly |
| Rheumatol Forte● OTHER INGREDIENTS (1) | Ecological Formulas | 200 mg | — | Capsule |
| Healthy Skin⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Supplement Spot | 150 mg | — | Capsule |
| Turmeric Joint Curcumin | Health Plus | 150 mg | — | Capsule |
| Wrinkle Remove with Resveratrol⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Totally Products | 150 mg | — | Capsule |
| Collagen Softgels | BulkSupplements.com | 150 mg | — | Softgel Capsule |
| Collagen Gummies | Atlantis Nutrition | 150 mg | — | Gummy or Jelly |
| Glowing Skin Plump Berry | OLLY | 120 mg | — | Gummy or Jelly |
| Advanced Collagen Formula● OTHER INGREDIENTS (1) | GNC Women's | 100 mg | — | Capsule |
| Men's Hair Gummies Tropical Citrus Flavor● OTHER INGREDIENTS (2) | Puritan's Pride | 100 mg | — | Gummy or Jelly |
| Hair Multivitamin● OTHER INGREDIENTS (1) | California Gold Nutrition | 100 mg | — | Capsule |
| InjuRecov Trifecta● OTHER INGREDIENTS (2) | Vinco | 100 mg | — | Capsule |
| Hair/Skin/Nails● OTHER INGREDIENTS (2) | Vitamin World | 100 mg | — | Softgel Capsule |
| Women's Daily Multivitamin Formula | vitafusion | 100 mg | — | Gummy or Jelly |
| Hair, Skin & Nails Gummies Tropical Citrus Flavored● OTHER INGREDIENTS (2) | Nature's Bounty Optimal Solutions | 100 mg | — | Gummy or Jelly |
| Gorgeous Sleep Gummies Berry Flavored | Nature's Bounty Optimal Solutions | 100 mg | — | Gummy or Jelly |
| Liquid Joint Elixir | Esmond Natural | 100 mg | — | Liquid |
| Beau-T | LifeSeasons Therapeutics | 100 mg | — | Capsule |
| Amino/Collagen Formula● OTHER INGREDIENTS (3) | GNC Women's | 100 mg | — | Capsule |
| The 30 Day Beauty Secret● OTHER INGREDIENTS (3) | Futurebiotics | 100 mg | — | Tablet or Pill |
| MoveMD● OTHER INGREDIENTS (1) | 1MD Nutrition | 100 mg | — | Capsule |
| JointFlex 900● OTHER INGREDIENTS (2) | Foster Regal | 100 mg | — | Capsule |
| 30 Day Beauty Regimen⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Bronson | 100 mg | — | Tablet or Pill |
| Collagen Orange Gummies | AN Amazing Nutrition Amazing Gummies | 100 mg | — | Gummy or Jelly |
| Joint E/S 900● OTHER INGREDIENTS (2) | DC | 100 mg | — | Capsule |
| Premium Collagen Gummies Tropical | LifeCentric Health | 99 mg | — | Gummy or Jelly |
| Collagen Gummies Tropical Flavor | Phytoral | 99 mg | — | Gummy or Jelly |
| Collagen Tropical Fruit Flavor | Mason Natural | 99 mg | — | Gummy or Jelly |
| Collagen Gummies Tropical Fruit Flavor | Solumeve | 99 mg | — | Gummy or Jelly |
| Collagen Gummies Tropical Flavor | Nature's Craft | 99 mg | — | Gummy or Jelly |
| Nu Born Skin● OTHER INGREDIENTS (2) | Body Dynamics MaXzorbceuticals Nutrition | 85 mg | — | Capsule |
| Wrinkle Vitamins● OTHER INGREDIENTS (2) | Rise-N-Shine | 75 mg | — | Capsule |
| BDZ● OTHER INGREDIENTS (2) | Nikken Wellness Kenzen | 75 mg | — | Tablet or Pill |
| Menierin (Oto-equilibrium)● OTHER INGREDIENTS (1) | Ecological Formulas | 75 mg | — | Capsule |
| Fibromyalgin● OTHER INGREDIENTS (2) | Cardiovascular Research | 60 mg | — | Capsule |