Coffee vs Green Tea: which is healthier?

Per 100g, Coffee has 1 calories, 0.3g protein, 0g fiber, and 0g fat, while Green Tea has 1 calories, 0.2g protein, 0g fiber, and 0g fat. Their macros are close enough that either fits the same plan; pick based on preparation and what you pair them with.

Which has more calories, Coffee or Green Tea?

Per 100g, Coffee has 1 calories and Green Tea has 1 calories, a difference of 0 calories. In practical terms, 1 cup black coffee (8 oz) (2 calories) of coffee compares with 100g (1 calories) of green tea.

Which has more protein, Coffee or Green Tea?

Coffee leads on protein with 0.3g per 100g; the gap is 0.1g per 100g (Coffee 0.3g vs Green Tea 0.2g). If you are tracking protein targets, that difference compounds quickly across a full day of meals.

Which is better for a low-carb diet, Coffee or Green Tea?

Coffee has 0g of carbs per 100g compared to 0g in Green Tea, making Coffee the easier fit for low-carb or keto plans. Fiber is 0g vs 0g per 100g, which also affects net carbs.

Can I substitute Coffee for Green Tea?

Often, yes. Swapping green tea for coffee shifts your meal by about 0 calories and 0.1g of protein per 100g, so adjust portions if you are logging macros. Texture and cooking behavior differ more than nutrition in many recipes, so test the swap in small batches first.