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Iced Green Tea Unsweetened Calories, Nutrition & Caffeine

Dunkin Iced Green Tea Unsweetened calories, nutrition facts, and caffeine by size. Compare Small, Medium, and Large to make the best choice for your goals.

SmallMediumLarge 45–91 mg caffeine 5–5 kcal

Nutrition Calculator

Iced Green Tea Unsweetened Calories by Size

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

Calories 5kcal
Total Fat 0g
Total Carbs 0g
Sugar 0g
Protein 1g
Caffeine 45mg

Showing: Small — 5 kcal

  • Lowest option: 5 kcal (Large)
  • 45 mg caffeine in this selection
  • More keto-compatible (≤12g net carbs)
% Daily Value Based on 2,000 kcal/day
Calories
5kcal 0%
Total Fat
0g 0%
Saturated Fat
0g 0%
Cholesterol
0mg 0%
Sodium
10mg 0%
Total Carbs
0g 0%
Dietary Fiber
0g 0%
Added Sugars
0g 0%
Protein
1g 2%

* % Daily Values based on a 2,000 calorie diet.

Calorie Breakdown

Dunkin' Iced Green Tea Unsweetened Calories

The Dunkin' Iced Green Tea Unsweetened ranges from 5 kcal (Large) to 5 kcal (Large).

Lowest 5 kcal · Large
Highest 5 kcal · Large

How long to burn off 5 kcal

Approximate values for a 70 kg adult. Updates with your selection above.

🚶 Walking
1 min
🚴 Cycling
1 min
🏃 Running
0 min
🏊 Swimming
1 min
🧘 Yoga
2 min

💡 Choosing a smaller size and avoiding add-ins is the most effective way to reduce calories on Dunkin' drinks.

Keto Suitability

Is the Dunkin' Iced Green Tea Unsweetened Keto-Friendly?

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

✓ More keto-compatible

Net carbs for this selection are 0g — within the 12g threshold.

To reduce carbs in this Dunkin' order:

  • Choose the smallest available size
  • Black coffee and straight espresso are the lowest-carb options at Dunkin'

Caffeine Content

Dunkin' Iced Green Tea Unsweetened Caffeine & Metabolism

The Dunkin' Iced Green Tea Unsweetened contains low caffeine. Caffeine has a half-life of around 5–6 hours in most adults — meaning a significant amount can still be active well into the evening if consumed in the afternoon.

Small 45 mg Low
Medium 68 mg Low
Large 91 mg Moderate

Caffeine metabolism & sleep cut-off

Enter when you plan to drink this. The chart shows estimated caffeine remaining over the next 8 hours. Caffeine remaining after 10 pm is associated with reduced sleep quality.

Using: Small (45 mg)
Keep in mind: caffeine content in Dunkin' drinks stays constant regardless of dairy or sweetener choice — it's determined by the espresso or coffee base. The FDA recommends most healthy adults stay under 400 mg/day.

Size Comparison

How Calories Change by Size

Calories, sugar, and caffeine all increase with cup size. Reference: Default.

SizeCaloriesTotal Fat CarbsSugarProteinCaffeine
Small 5 kcal 0g 0g 0g 1g 45 mg
Medium 5 kcal 0g 0g 0g 1g 68 mg
Large 5 kcal 0g 0g 0g 1g 91 mg

Going from Small to Large adds 0 kcal and 0.0g sugar.

FAQ

Dunkin' Iced Green Tea Unsweetened — Common Questions

The most relevant questions about calories, caffeine, and keto suitability for this Dunkin' drink.

The Dunkin' Iced Green Tea Unsweetened ranges from 5 kcal (Large) to 5 kcal (Large). A Small starts at 5 kcal.

The lowest-calorie option is the Large at 5 kcal. Choosing a smaller size is the most effective way to reduce calories.

A Small contains 45 mg of caffeine, and a Large contains 91 mg. This is low caffeine. Note that dairy and sweetener choices do not affect caffeine content — it's set by the coffee or espresso base.

With 0g net carbs in a Small, this is one of the more keto-compatible options at Dunkin'.