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Scored forOutcome alternatives
Natural Factors120 count • 40 servingsAvailable now$23.28$0.58 / serving4.8 · 1,784 ratings3 / day
82−9 pts from leader
#71 of 3136 ranked for joint functionLeader · 21st Century, 21st Century, Arthri-Flex Advantage® + Vitamin D3, 120 Coated Tablets — 91
Why this ranks #71 for joint function
- Evidence fitGlucosamine Sulfate and Chondroitin Sulfate are the strongest evidence signals for this outcome.
- Dose fit2 of 2 dosed ingredients land in the studied range. Glucosamine Sulfate at 1500 mg lands inside the studied 1500-1500 mg window.
- Price / serving$0.58 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustSolid trust signals from buyer ratings, with room to grow.
Trade-offsPopularity trails the other picks hereValue for money trails the rest of this list
The numbers · Joint functionWhat's inside
82
89
90
98
1500 mgIn rangeinside the studied 1500-1500 mg window
1200 mgIn rangeinside the studied 800-1200 mg window
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