Is Starbucks Soy Milk Sweetened?

Coffee Levels is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

For people who don’t want to or can’t consume dairy products, soy milk is an alternative that has also been introduced at Starbucks.

If you want to order soy milk at Starbucks but want to know if it is sweetened or unsweetened, read this article to find out!

Is Starbucks Soy Milk Sweetened?

Starbucks soy milk is sweetened and is one of the few sweetened options that will be offered in coffee shops. Starbucks soy milk contains vanilla flavor and sweeteners. Soy milk has the highest sugar content of any of Starbucks’ plant-based milk alternatives, including almond, oat, and coconut milk.

Read on to find out everything you need to know about Starbucks Soy Milk, where it comes from, and more.

Where Does Starbucks Soy Milk Come From?

Starbucks barista holding a cup

Several sources, including baristas, claim that Starbucks uses soy milk from Silk, a manufacturer that sells to the general public, i.e., in grocery stores.

According to reports, Starbucks uses Silk’s soy milk under its brand name, which is not apparent.

Starbucks uses Silk’s vanilla soy milk, and the milk used is vanilla flavored.

Does Starbucks Soy Milk Contain Sugar?

Yes, Starbucks soy milk does contain sugar, which is naturally present in every soy milk, as well as in the sweeteners and flavors added by the company.

In addition, Starbucks soy milk contains 27 grams of sugar and 270 calories in a 16-ounce serving, which is a Grande size.

That’s more than the sugar content of any other plant-based milk alternative available, for example, the oatmilk drinks at Starbucks.

In terms of approximate sugar content across the menu, Starbucks’ soy milk has the highest sugar content of any option and is similar to dairy products like whole milk.

Starbucks Soy Milk Calories

If we compare the calories based on a 16 oz Grande cup, then only the whole milk has more calories than soy milk.

So if you are on a calorie-restricted diet, you may want to skip soy altogether.

  • Whole milk: 180 calories
  • Soy milk: 150 calories
  • 2% milk: 150 calories
  • Coconut milk: 110 calories
  • Nonfat milk: 100 calories
  • Almond milk: 80 calories

Does Starbucks Use Organic Soy Milk?

Starbucks uses organic soy milk to produce its drinks. Activist groups that advocate for organic food cite Starbucks soy milk as the standard they want to see maintained for other offerings.

Is Soy Milk From Starbucks Good?

Soy milk is a trendy dairy-free option offered by Starbucks. It’s adaptable and tastes great in every coffee. It’s creamier than almond milk, delivering a rich cappuccino or latte every time.

Does Starbucks Offer Sugar-Free Milk?

Starbucks offers several types of unsweetened milk, including almond milk and most dairy products.

Starbucks offers Oatly Oat Milk and claims its product is unsweetened, but this claim has recently been challenged.

Currently, soy and coconut milk are the only Starbucks products that are sweetened.


So is Starbucks soy milk sweetened? Yes, Starbucks soy milk is sweetened and is one of the few vegan milk options with sugar that will be offered in coffee shops. Starbucks soy milk contains vanilla flavor and sweeteners that will make your coffee more delicious.


Featured Image Credit: Shutterstock