Stress B-Complex
Thorne Research's Stress B-Complex is a vitamin supplement designed to provide a spectrum of B vitamins. With 9 total ingredients and 100% label transparency, it offers several B vitamins at clinically studied dosages, including Thiamine (50mg), Riboflavin (28.6mg), Niacin (80mg), Vitamin B6 (28.4mg), and Folate (200mcg), which are commonly used to support energy metabolism and nervous system function. Choline Citrate is identified as being underdosed in this formulation. The product achieves an N+ Score of 78, receiving a "B-" grade, reflecting good ingredient adequacy (83%) but a lower formula completeness score (33%). This B-complex may be suitable for individuals looking for robust B vitamin support, particularly those who may experience increased metabolic demands or stress.
About This Product
Stress B-Complex by Thorne Research is a collagen & beauty supplement containing 9 active ingredients. It has earned an N+ Score of 78/100 (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 5 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
- +8 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (9 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Thiamine | 50.000 mg | Optimal |
| Riboflavin | 28.600 mg | Optimal |
| Niacin | 80.000 mg | High |
| Vitamin B6 | 28.400 mg | Optimal |
| Folate | 200.000 mcg | Adequate |
| Vitamin B12 | 100.000 mcg | Optimal |
| Biotin | 80.000 mcg | Optimal |
| Pantothenic Acid | 250.000 mg | Optimal |
| Choline Citrate | 40.000 mg | Under |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.