Vitamin B-1 300 mg
GNC's Vitamin B-1 300 mg is a straightforward vitamin supplement, providing 300 mg of Thiamine (Vitamin B-1) per tablet. This concentration of Thiamine is considered to be at a clinically studied dose, often used to support various metabolic functions. The product received an N+ Score of 62, earning a D grade, which signifies an average quality rating according to our analysis. With only one active ingredient, it offers complete label transparency. This supplement is best suited for individuals specifically looking to increase their Thiamine intake.
About This Product
Vitamin B-1 300 mg by GNC is a vitamins & minerals supplement containing 1 active ingredients. It has earned an N+ Score of 62/100 (Grade D).
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.
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
- −Limited ingredient diversity compared to category norms
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Thiamine | 300.000 mg | Optimal |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.