L-5-MTHF Natural S-Isomer
Designs for Health L-5-MTHF Natural S-Isomer provides folate as Quatrefolic to support methylation processes. This supplement is for individuals seeking to maintain healthy joint and bone function and optimize folate levels. It aids in various bodily functions dependent on adequate folate.
About This Product
L-5-MTHF Natural S-Isomer by Designs for Health is a joint & bone supplement containing 2 active ingredients. It has earned an N+ Score of 73/100 (Grade C+).
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.
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
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (2 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Folate | 1000.000 mcg | Optimal |
| Quatrefolic (6S)-5-Methyltetrahydrofolate Glucosamine Salt | 2000.000 mcg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





