Fully Active B Complex with Quatrefolic
This B Complex features a blend of essential B vitamins, including Quatrefolic (methylated folate) and Vitamin B12, delivered in a single veggie capsule serving. It provides a range of B vitamins at varying potencies. This product has an N+ Score of 79.
About This Product
Fully Active B Complex with Quatrefolic by Doctor's Best is a collagen & beauty supplement containing 9 active ingredients. It has earned an N+ Score of 79/100 (Grade B-).
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 Vitamin B6, Vitamin B12, Biotin and 4 more.
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
- +7 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (9 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin B6 | 50.000 mg | Optimal |
| Vitamin B12 | 1000.000 mcg | Optimal |
| Biotin | 600.000 mcg | Optimal |
| Pantothenic Acid | 100.000 mg | Optimal |
| Vitamin C | 40.000 mg | Under |
| Vitamin B1 | 60.000 mg | Optimal |
| Vitamin B2 | 75.000 mg | Optimal |
| Vitamin B3 | 50.000 mg | High |
| Quatrefolic | 400.000 mcg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.