Mega MSM
U.S. Doctors' Clinical Mega MSM is an 'Other Combinations' supplement designed for joint and bone support. Each 2-capsule serving delivers 1200mg of MSM and 220mg of Collaplex, alongside 20mg of Vitamin C. The Vitamin C dosage is notably underdosed, as research suggests higher amounts are typically required for synergistic effects with collagen or MSM. The product received an N+ Score of 41 and a grade of F, placing it in the below-average tier due to this formulation weakness. It may be considered by those seeking general joint support, but its overall efficacy is limited by the underdosed ingredients.
About This Product
Mega MSM by U.S. Doctors' Clinical is a joint & bone supplement containing 3 active ingredients. It has earned an N+ Score of 41/100 (Grade F).
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
- −Several ingredients below clinically effective doses
- −Missing several expected ingredients for its category
Ingredient Analysis (3 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin C | 20.000 mg | Under |
| MSM | 1200.000 mg | N/A |
| Collaplex | 220.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





