B-Complex Complete
GNC's B-Complex Complete offers a comprehensive blend of B vitamins, including high potencies of Thiamine, Riboflavin, Niacin, and Vitamins B6 and B12. It also contains Vitamins A, C, D, and E. This product has an N+ Score of 79.
About This Product
B-Complex Complete by GNC is a collagen & beauty supplement containing 20 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 Thiamine, Riboflavin, Niacin and 12 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
- +15 ingredient(s) at clinical dose levels
- +Rich formula with 20 active ingredients
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (20 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Thiamine | 75.000 mg | Optimal |
| Riboflavin | 75.000 mg | Optimal |
| Niacin | 75.000 mg | High |
| Vitamin B6 | 75.000 mg | Optimal |
| Folate | 667.000 mcg DFE | Optimal |
| Vitamin B12 | 250.000 mcg | Optimal |
| Biotin | 75.000 mcg | Optimal |
| Pantothenic Acid | 100.000 mg | Optimal |
| Vitamin A | 3000.000 mcg | Optimal |
| Vitamin C | 500.000 mg | Optimal |
| Vitamin D | 10.000 mcg | Under |
| Vitamin E | 82.600 mg | Optimal |
| Iron | 18.000 mg | Optimal |
| Selenium | 50.000 mcg | Adequate |
| Copper | 2.000 mg | Optimal |
| Chromium | 25.000 mcg | Adequate |
| Citrus Bioflavonoid Complex | 100.000 mg | N/A |
| Guarana Seed Extract | 50.000 mg | N/A |
| Panax ginseng root extract | 50.000 mg | N/A |
| Licorice root powder | 25.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.