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Ratings and Key Data

One serving of Monster Lo-Carb Energy measured 73.1mg caffeine, over its label claim but below the 105.1mg average caffeine content/serving in this category. Furthermore, vitamin B3, B6, and B12 content was understated by label claims, with a single serving exceeding 100% of the Daily Value (DV) of B3 and 2x the DV of B6.

Label Accuracy
Product Purity
Nutritional Value
Ingredient Safety
Projected Efficacy
  • Analytical Tests 11
  • Serving Size 8 fl. oz. (240 mL)
  • Price/Serving $1.10
  • Caffeine/Serving 73.1mg
  • Watchlist Ingredients Benzoic Acid, Acesulfame Potassium, Sucralose
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.