
Product photo 1 of 3
Scored forOutcome alternatives
Natural Factors240 count • 120 servingsAvailable now$51.88$0.43 / serving4.8 · 7,406 ratings
84−3 pts from leader
#13 of 2762 ranked for joint functionLeader · Life Extension, Life Extension, ArthroMax® Advanced, NT2 Collagen™ & ApresFlex®, 60 Capsules — 87
Why this ranks #13 for joint function
- Evidence fitGlucosamine Sulfate and Type II Collagen lead the evidence here, backed by Hyaluronic Acid.
- Dose fit1 of 5 dosed ingredients land in the studied range. Glucosamine Sulfate at 1500 mg lands inside the studied 1500-1500 mg window.
- Price / serving$0.43 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Joint function
84
89
90
99
1500 mgIn rangeinside the studied 1500-1500 mg window
15 mgBelow rangebelow the studied 40-2500 mg window
400 mgBelow rangebelow the studied 800-1200 mg window
600 mgBelow rangebelow the studied 1500-3000 mg window
15 mgBelow rangebelow the studied 80-240 mg window
28.5 mg
1.5 mg
330 mg
Retailer links may be affiliate links. Rankings and placement are not paid placement.