Joint Tendon Ligament II
Douglas Laboratories Joint Tendon Ligament II is an 'Other Combinations' supplement containing 9 ingredients with 100% label transparency. This product received an N+ Score of 66, resulting in a D grade, placing it in the average tier. Notably, Vitamin C (1000mg), Folate (667mcg DFE), and Vitamin B12 (500mcg) are included at clinically studied dosages, which may support various metabolic and connective tissue functions. However, Vitamin D3 is underdosed compared to established clinical research. The formula also includes L-Carnosine, Green Tea extract, and Pterostilbene, which research suggests may offer antioxidant support. This supplement may be suitable for individuals interested in general joint and connective tissue support with specific vitamin contributions.
About This Product
Joint Tendon Ligament II by Douglas Laboratories is a longevity & nad+ supplement containing 9 active ingredients. It has earned an N+ Score of 66/100 (Grade D).
This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.
Notable clinical-dose ingredients include Folate, Vitamin B12, Vitamin 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
- +Key ingredients at clinically effective doses
- +Fully transparent label with individual ingredient amounts disclosed
- +Broad ingredient diversity exceeding category norms
- +3 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (9 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Folate | 667.000 mcg DFE | Optimal |
| Vitamin B12 | 500.000 mcg | Optimal |
| Vitamin C | 1000.000 mg | Optimal |
| Vitamin D3 | 25.000 mcg | Under |
| Green Tea leaf extract | 250.000 mg | N/A |
| Vitamin K-2 | 45.000 mcg | N/A |
| Pterostilbene | 50.000 mg | N/A |
| L-Carnosine | 250.000 mg | N/A |
| Wild Blueberry fruit extract | 250.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.