Say this
Small Iced Sugar-Free Vanilla Latte with oat milk
Oat milk is the highest-carb milk here: 17g carbs in a Small. A Medium with oat has 5g sugar, over the limit, so stick to Small. Almond or Ripple cuts it to 10g carbs.
Instead of a Small Iced Vanilla Latte (2% milk) (25g sugar)
What's in it
Iced Sugar-Free Vanilla Latte, oat, Small (official whole-drink row)
17g carbs
Verified against Peet's Coffee's nutrition info on 2026-10-11. Drinks are made by hand, so amounts vary. Not medical advice.