The short answer · Range of motion
Take undenatured type ii collagen for range of motion. This is the one to buy.
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NOW Foods, UC-II® Joint Health with Undenatured Type II Collagen, 120 Capsules
4.8· 20,837 ratings· $0.30/serving
DoseRank score87
Undenatured Type II Collagen 40 mg — inside the studied 40-40 mg window
Of 276 products scored for Range of motion, NOW Foods, UC-II® Joint Health with Undenatured Type II Collagen, 120 Capsules ranks #1 with a DoseRank score of 87. Undenatured Type II Collagen has moderate human evidence for this outcome.
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 · 1200 mg
Natural membrane lining inside eggshells; provides collagen, hyaluronic acid, and glycosaminoglycans used to support joint comfort and flexibility.
- Type II Collagen
Moderate evidence · 570 mg
Collagen specific to cartilage; the undenatured form is taken in small doses to support joint comfort by modulating immune response to cartilage.
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NOW Foods, UC-II® Joint Health with Undenatured Type II Collagen, 120 Capsules ranks #1 for Range of motion with a DoseRank score of 87. The score blends clinical strength, evidence, dose fit, trust signals and value across 276 products scored for this outcome.
Undenatured Type II Collagen has moderate human evidence for this outcome.
Undenatured Type II Collagen at 40 mg lands inside the studied 40-40 mg window. DoseRank scores this product's dose fit at 90 out of 100.
NOW Foods, UC-II® Joint Health with Undenatured Type II Collagen, 120 Capsules works out at $0.30 per serving. $0.30 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.16 per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.
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