Calories in Starbucks Iced Vanilla Protein Matcha Latte with whole milk run from 162 in a Tall to 191 in a Venti, blending matcha, vanilla, and a protein boost served cold.
A Grande has 180 calories with a notable 21g of protein, far above a standard Matcha Green Tea Latte’s protein content thanks to the added protein blend.
Sugar stays moderate at 8.9g in a Grande, lower than a typical vanilla-flavored latte, since the protein blend replaces some of the sweetness a standard syrup would add.
Iced Vanilla Protein Matcha Latte - whole milk Nutrition Facts
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Iced Vanilla Protein Matcha Latte - whole milk
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Long-Term Health Impact
After 1 Week
Drinking a daily Grande Iced Vanilla Protein Matcha Latte - whole milk adds 1260 calories to your week — about 242 minutes of brisk walking to offset.
After 1 Month
Over a month, that's 5400 calories — roughly 1.5 lb of potential weight gain if it isn't offset by activity.
After 1 Year
Over a year, a daily Grande Iced Vanilla Protein Matcha Latte - whole milk totals 65700 calories and 3.2kg of sugar — equivalent to about 657 miles of jogging to burn off.

