Dutch Bros · energy drink

Dragon Slayer Rebel Calories, Nutrition & Caffeine — Hot & Iced

Dutch Bros Dragon Slayer Rebel calories, nutrition facts, and caffeine content by size and serving style. Compare Small, Medium, and Large to find the best option for your goals.

SmallMediumLarge BlendedIced 70–145 mg caffeine 280–670 kcal

Nutrition Calculator

Dragon Slayer Rebel Calories by Serving Style and Size

Select a size and serving style to view the full nutrition breakdown including calories, fat, carbs, sugar, protein, and caffeine. The daily value percentages (DV%) are based on a 2,000 calorie diet.

Calories 340kcal
Total Fat 0g
Total Carbs 87g
Sugar 86g
Protein 1g
Caffeine 70mg

Showing: Small · Blended — 340 kcal

  • Smallest size is lowest in calories (280 kcal)
  • Caffeine: 70 mg in this selection
  • Not ideal for keto
Daily Value % Based on 2,000 kcal/day
Calories
340kcal 17%
Total Fat
0g 0%
Saturated Fat
0g 0%
Cholesterol
0mg 0%
Sodium
75mg 3%
Total Carbs
87g 32%
Dietary Fiber
0g 0%
Protein
1g 2%

Calorie Breakdown

Dragon Slayer Rebel Calories

The Dutch Bros Dragon Slayer Rebel ranges from 280 kcal (Small, iced) to 670 kcal (Large, blended). The iced version is typically lower in calories than hot for the same size.

Lowest 280 Kcal · Small, iced
Highest 670 Kcal · Large, blended

How long to burn off 340 kcal

Based on a 70 kg adult. Updates with your selection above.

🚶 Walking
1h 16m
🚴 Cycling
43 min
🏃 Running
30 min
🏊 Swimming
38 min
🧘 Yoga
1h 53m

💡 Choosing a Small saves 390 kcal vs the largest option. Ordering iced instead of hot can also reduce calories significantly.

Keto Suitability

Is the Dutch Bros Dragon Slayer Rebel Keto-Friendly?

Net carbs (total carbohydrates minus dietary fibre) at or below 12g is considered more keto-compatible. Values update as you change size and serving style above.

✕ Not keto-friendly

Net carbs for this selection are 87g — above the 12g keto threshold. Syrups and mix-ins contribute most of the carbohydrates.

To reduce carbs in Dutch Bros drinks:

  • Choose a Small size to minimise total carb intake
  • Iced versions often have fewer carbs than hot for the same drink
  • Ask for sugar-free syrups where available
  • Consider black cold brew or Americano-style options for strict keto

Caffeine Content

Dragon Slayer Rebel Caffeine & Metabolism

Dutch Bros is known for high-caffeine drinks. The Dragon Slayer Rebel contains low caffeine. Caffeine has a half-life of 5–6 hours in most adults.

Small 70 mg Low
Medium 100 mg Moderate
Large 130 mg Moderate

Caffeine metabolism & recommended drink time

Enter the time you plan to drink this. The chart shows how much caffeine remains in your system over the next 8 hours. Residual caffeine after 10 pm is linked to disrupted sleep.

Using: Small (70 mg)
High caffeine warning: Dutch Bros drinks can contain 200–300+ mg of caffeine — significantly more than a standard espresso shot (~63 mg). The FDA advises most healthy adults to stay under 400 mg/day. Pregnant individuals should stay below 200 mg/day.

Size Comparison

How Calories and Caffeine Change by Size

As cup size increases, calories, fat, sugar, and caffeine all increase. Reference: blended serving style.

SizeCaloriesTotal Fat CarbsSugarProteinCaffeine
Small 340 kcal 0g 87g 86g 1g 70 mg
Medium 510 kcal 0g 129g 128g 2g 100 mg
Large 670 kcal 0g 171g 169g 2g 130 mg

Going from Small to Large adds 330 kcal and 83g sugar. Caffeine also increases from 70 mg to 130 mg.

Serving Style Comparison

Hot vs Iced — How Nutrition Differs

The same Dutch Bros drink can vary significantly in calories between hot and iced. Comparison below is at Medium size.

StyleCaloriesTotal Fat CarbsSugarProteinCaffeine
blended 510 kcal 0g 129g 128g 2g 100 mg
iced 330 kcal 0g 80g 78g 1g 115 mg

Iced versions typically use less mix-in volume and more ice, resulting in fewer calories per serving.

FAQ

Dutch Bros Dragon Slayer Rebel — Common Questions

The most relevant questions about calories, caffeine, sleep impact, and keto suitability for this Dutch Bros drink.

Dutch Bros Dragon Slayer Rebel ranges from 280 kcal (Small, iced) to 670 kcal (Large, blended). A Small contains 340 kcal.

The Small (iced) is the lowest-calorie option at 280 kcal. Choosing a smaller size is the most effective way to reduce calorie intake at Dutch Bros.

A Small contains 70 mg, Medium 100 mg, and a Large contains 130 mg. This is low caffeine — Dutch Bros drinks tend to run higher than average. The FDA recommends most adults stay under 400 mg/day.

Most sizes exceed 12g net carbs, making this not ideal for strict keto. Requesting sugar-free syrups can help reduce net carbs.