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57.0 of 100
Quality Rank 18 of 27

Value Rank 7 of 27


Ratings and Key Data

One serving of Rockstar Double Strength measured 82.8mg caffeine, over its label claim but below the 105.1mg category average. Furthermore, this product exceeds 100% of the Daily Value (DV) of vitamin B3, 3x the DV of vitamin B6, and its label claim for vitamin B12 by over 150%.

Label Accuracy
Product Purity
Nutritional Value
Ingredient Safety
Projected Efficacy
  • Analytical Tests 11
  • Serving Size 8 fl. oz. (240 mL)
  • Price/Serving $0.98
  • Caffeine/Serving 82.8mg
  • Watchlist Ingredients Benzoic Acid, Caramel Color
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.