Oolong Tea vs Green Tea: Calories and Nutrition Compared (2026)

Both Oolong tea and Green tea contain 1 calorie per 100 g. Green tea has slightly more protein at 0.2 g compared to Oolong tea's 0 g.

Oolong tea and Green tea are popular beverages known for their unique flavors and health benefits. This comparison highlights their nutritional content per 100 g, focusing on calories, protein, and other key metrics.

What Is the Difference Between Oolong Tea and Green Tea?

Oolong tea is a traditional Chinese tea that is partially oxidized, offering a flavor profile between green and black tea. It is known for its fragrant aroma and complex taste. Green tea is made from unoxidized leaves and is one of the least processed types of tea. It is celebrated for its high antioxidant content and health-promoting properties.

Oolong Tea vs Green Tea: Nutrition Side by Side

The following table presents a side-by-side comparison of Oolong tea and Green tea.

Nutrient (per 100 g)	Oolong tea (brewed)	Green tea (brewed)
Calories	1 kcal	1 kcal
Protein	0 g	0.2 g
Carbs	0.1 g	0 g
Sugar	0 g	0 g
Fat	0 g	0 g
Fiber	0 g	0 g
Sodium	3 mg	1 mg

Which Is Better, Oolong Tea or Green Tea?

For weight loss: Both teas have the same calorie content of 1 calorie per 100 g, making them equally suitable for weight loss.

For muscle and protein: Green tea contains 0.2 g of protein per 100 g, while Oolong tea has 0 g, making Green tea the better option for protein.

For low-carb or low-sugar: Oolong tea has 0.1 g of carbs and 0 g of sugar, while Green tea has 0 g of carbs and 0 g of sugar, making Green tea slightly lower in carbs.

How to Track Oolong tea and Green tea Accurately

It can be easy to misjudge portion sizes and macros, especially with beverages. Nutrola is an AI nutrition tracking app that identifies foods from a photo and returns calories and macros from a database of more than 1.8 million foods. It also supports barcode scanning and voice logging. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

How We Compiled These Numbers

The numbers provided are rounded reference values for educational use and should not be considered medical advice. Always consult a healthcare professional for dietary guidance. Values are per 100 g from USDA FoodData Central.

Frequently Asked Questions (FAQ)

Which tea has more protein?

Green tea has 0.2 g of protein per 100 g, while Oolong tea has 0 g.

Which tea has fewer calories?

Both Oolong tea and Green tea have the same calorie content of 1 calorie per 100 g.

What is the sodium content in Oolong tea?

Oolong tea contains 3 mg of sodium per 100 g.

What is the carbohydrate content in Green tea?

Green tea has 0 g of carbohydrates per 100 g.

Is there any sugar in Oolong tea?

Oolong tea contains 0 g of sugar per 100 g.

What is the fiber content in both teas?

Both Oolong tea and Green tea contain 0 g of fiber per 100 g.

Key Takeaways

• Both teas have 1 calorie per 100 g.
• Oolong tea has 0 g of protein, Green tea has 0.2 g.
• Oolong tea has 0.1 g of carbs, Green tea has 0 g.
• Both teas have 0 g of sugar.
• Oolong tea contains 3 mg of sodium, Green tea contains 1 mg.