Grande · at a glance
Protein Beverages
Iced Protein Matcha
Calories & Nutrition Facts
Calories
260
Grande
Caffeine
65mg
Grande
Sugar
23g
Grande
Protein
31g
Grande
Protein-Packed. Matcha Mood. With 36g of protein per grande, this smooth iced green tea latte blends our matcha with Protein-boosted Milk and classic syrup for a vibrant, sweet flavor.
Nutrition Facts by Size
| Size | Serving | Calories | Fat | Carbs | Sugar | Protein | Caffeine |
|---|---|---|---|---|---|---|---|
| Tall | 12 fl oz | 150 | 3g | 14g | 13g | 18g | 35mg |
| Grande | 16 fl oz | 260 | 4.5g | 25g | 23g | 31g | 65mg |
| Venti | 24 fl oz | 420 | 7g | 38g | 36g | 50g | 95mg |
View Ingredients
MILK, ICE, PROTEIN POWDER [WHEY PROTEIN ISOLATE (MILK), SUNFLOWER LECITHIN], CLASSIC SYRUP [SUGAR, WATER, NATURAL FLAVORS, POTASSIUM SORBATE, CITRIC ACID], MATCHA [GROUND GREEN TEA]
How Many Calories in a Starbucks Iced Protein Matcha?
A Grande Starbucks Iced Protein Matcha contains 260 calories with standard preparation. It delivers 4.5g of total fat, 25g of carbohydrates, 23g of sugar, 31g of protein, and 135mg of sodium. The Grande size provides 65mg of caffeine — a relatively low caffeine level. Across all available sizes, calories range from 150 (Tall) to 420 (Venti).
Frequently Asked Questions
How many calories are in a Grande Iced Protein Matcha?
A Grande Iced Protein Matcha has 260 calories with standard preparation. This includes 4.5g fat, 25g carbs, and 23g sugar.
What sizes is Iced Protein Matcha available in?
Iced Protein Matcha comes in Tall, Grande, Venti. Calories range from 150 cal (Tall) to 420 cal (Venti).
How much caffeine is in Iced Protein Matcha?
A Grande Iced Protein Matcha contains 65mg of caffeine. The FDA recommends a maximum of 400mg of caffeine per day for healthy adults.
Can I get Iced Protein Matcha with oat milk?
Yes, you can substitute oat milk for dairy in a Iced Protein Matcha at most Starbucks locations. This will change the total calories, fat, and carbohydrate content.
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Nutrition values are sourced from the official Starbucks website (scraped July 2026) and reflect standard preparation. Customizations such as alternative milks, added syrups, or extra toppings will change the final values. This site is not affiliated with or endorsed by Starbucks Corporation.