Joint-4
Xendurance Joint-4 is an 'Other Combinations' supplement formulated to support joint health. This product contains key ingredients such as Glucosamine HCl (750mg), Chondroitin Sulfate (600mg), Boswellia serrata Extract (300mg), and Methylsulfonylmethane (750mg). While these ingredients are commonly used in joint support formulations, this product does not feature any ingredients at dosages identified as clinically studied or optimal for efficacy based on our analysis. With an N+ Score of 67 and a C- grade, it falls into the average tier. The product lists a total of 4 ingredients with 100% label transparency. It may be considered by individuals exploring general joint support options, though ingredient adequacy for clinical benefit is noted as 50%.
About This Product
Joint-4 by Xendurance is a joint & bone supplement containing 4 active ingredients. It has earned an N+ Score of 67/100 (Grade C-).
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
- +Broad ingredient diversity exceeding category norms
Weaknesses
- −No major weaknesses identified
Ingredient Analysis (4 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Chondroitin Sulfate | 600.000 mg | N/A |
| Methylsulfonylmethane | 750.000 mg | N/A |
| Glucosamine HCl | 750.000 mg | N/A |
| Boswellia serrata extract | 300.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.