Calories in Starbucks Iced Matcha Green Tea Latte with lactose-free milk run from 82 in a Tall to 135 in a Venti, meaningfully lighter than whole milk since this carton carries much less fat.
A Grande comes to 117 calories with just 4.0g of fat, well under the 8.4g in the whole milk version. Sugar stays close between the two, since the matcha blend supplies most of it.
This matches the low-fat listing exactly, since it’s the same carton by another name.
Iced Matcha Green Tea Latte - lactose-free milk Nutrition Facts
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Iced Matcha Green Tea Latte - lactose-free milk
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Long-Term Health Impact
After 1 Week
Drinking a daily Grande Iced Matcha Green Tea Latte - lactose-free milk adds 819 calories to your week — about 157 minutes of brisk walking to offset.
After 1 Month
Over a month, that's 3510 calories — roughly 1.0 lb of potential weight gain if it isn't offset by activity.
After 1 Year
Over a year, a daily Grande Iced Matcha Green Tea Latte - lactose-free milk totals 42705 calories and 4.0kg of sugar — equivalent to about 427 miles of jogging to burn off.