16 oz

Monster · Zero sugar

Monster Ultra Fiesta

Monster Ultra Fiesta has 150 mg of caffeine, 0 g of sugar and 9 calories per 16 oz can.

Nutrition and caffeine facts

Caffeine per can

150 mg

38% of the 400 mg a day the FDA cites as an amount not generally linked to negative effects in healthy adults. Ranks #253 of 322 drinks by caffeine per can (see the ranking).

Can size
16 fl oz
Caffeine per fl oz
9.4 mg
Sugar
0 g
Calories
9
Total carbs
—
Sodium
369 mg

Sweeteners

  • sucralose
  • acesulfame K
  • erythritol

Key ingredients

  • taurine
  • ginseng
  • L-carnitine
  • B vitamins
  • electrolytes

Source

Nutrition facts from USDA FoodData Central (public domain); caffeine from the brand where listed. Last checked Oct 29, 2026.

Spot a number that doesn’t match your can? Formulas change, so check the label, and let us know.

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