The short answer · Range of motion
Take undenatured type ii collagen for range of motion. This is the one to buy.
Swanson Vitamins, UC-II® Standardized Collagen, 60 Capsules
4.7· 479 ratings· $0.47/serving
Undenatured Type II Collagen 40 mg — inside the studied 40-40 mg window
Of 99 products scored for Range of motion, Swanson Vitamins, UC-II® Standardized Collagen, 60 Capsules ranks #1 with a DoseRank score of 83. Undenatured Type II Collagen has moderate human evidence for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Undenatured Type II Collagen — not Eggshell Membrane or Type II Collagen?”Evidence Moderate evidence
Undenatured Type II Collagen has moderate human evidence for this outcome.
- Undenatured Type II CollagenThe pick
Moderate evidence · 40 mg
Native, non-hydrolyzed type II collagen from chicken cartilage, taken at low doses (~40 mg) to promote oral tolerance; targets joint comfort via immune modulation, not structural peptides.
- Eggshell Membrane
Moderate evidence · 500 mg
Natural membrane lining inside eggshells; provides collagen, hyaluronic acid, and glycosaminoglycans used to support joint comfort and flexibility.
- Type II Collagen
Moderate evidence · 600 mg
Collagen specific to cartilage; the undenatured form is taken in small doses to support joint comfort by modulating immune response to cartilage.
The dose“Is the dose actually effective?”Dose fit 90
Undenatured Type II Collagen at 40 mg lands inside the studied 40-40 mg window.
Undenatured Type II Collagen
Studied window 40-40 mg · this pick 40 mg
The ranking“Why should I trust this pick?”Trust 67
Mixed trust signals — ratings are positive but the base is limited. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 99 products scored
- Never paid placement
- Evidence level: Moderate · 78
- 44 brands
- 4 ingredients
The price“Can I do better than $0.47 a serving?”Value 59
$0.47 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.16 per serving.
- 3Nutricost, Egg Shell Membrane, 500 mg, 120 CapsulesScore 82 · $0.16/servingiHerb
- 8Healthy Origins, Eggshell Membrane, 500 mg, 120 Veggie CapsulesScore 79 · $0.31/servingiHerb
Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.
Ready?
The #1 pick is $0.47 a serving.Swanson Vitamins, UC-II® Standardized Collagen, 60 Capsules — in stock at a tracked retailer.
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Swanson Vitamins, UC-II® Standardized Collagen, 60 Capsules ranks #1 for Range of motion with a DoseRank score of 83. The score blends clinical strength, evidence, dose fit, trust signals and value across 99 products scored for this outcome.
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