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C4 Energy · energy-drink

C4 Performance Energy®

mg per serving (as stated)

200 mg

Share of FDA's 400 mg healthy-adult figure

50% of 400 mg

Serving as stated on page

Serving Size: 16oz

Percentages compare one stated product amount with the FDA's 400 mg/day figure for healthy adults. They are arithmetic comparisons, not consumption targets, and do not apply to people who are pregnant or breastfeeding, children, teens, or people with heart conditions or caffeine-interacting medications. Serving wording and product notes qualify the stated amounts; a missing serving size is not inferred.

Manufacturer evidence

ANY TIME ENERGY : Elevate energy and performance with 200mg of caffeine

C4 Energy product page · Retrieved 2026-10-28

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