44Limited data
8/9 ingredients recognized
Ingredient Safety65
Quality76
Contaminants100
Transparency78
C4Sport
Pre workout
beveragessports functional drinks0842595131550
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Flagged concerns
Acesulfame Potassium
Limited safety data; may affect insulin response; animal studies showed tumor increases.
Natural & Artificial Flavors
Vague term masking hundreds of possible compounds; may include MSG, beaver anal gland secretions, and other sources.
Sucralose
May alter gut microbiome; studies show possible DNA damage at high doses.
Full ingredient list
Citric Acid, Malic Acid, Natural & Artificial Flavors, Silicon Dioxide, Calcium Silicate, Potassium Citrate, Sucralose, Vegetable Juice (Color), Acesulfame Potassium.