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What are the different types of soy milk available in the market?

Quick answer

USDA FoodData Central lists several soy milk products, including unsweetened shelf-stable and sweetened refrigerated plain soy milk. Per 100 g, the unsweetened one lists 1.29 g carbohydrate and 0.56 g sugars, while the sweetened one lists about 3.0 g carbohydrate. Types differ mainly by sweetening, storage format and flavor, so check the label.

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In this article
  1. What types of soy milk are there?
  2. How do unsweetened and sweetened soy milk compare?
  3. Is shelf-stable soy milk different from refrigerated?
  4. Which type should you pick?

What types of soy milk are there?

USDA FoodData Central separates soy milk by sweetening and by how it is stored: plain unsweetened, plain sweetened, shelf stable and refrigerated. Flavored versions exist in stores, but we did not find an official USDA entry that we opened for them, so we do not give numbers for them.

How do unsweetened and sweetened soy milk compare?

The values below are per 100 g from USDA FoodData Central.

Type Fat Protein Carbohydrate Calcium
Unsweetened, plain, shelf stable 2.13 g 3.55 g 1.29 g 101 mg
Sweetened, plain, refrigerated 1.96 g 2.78 g 3.00 g 154.8 mg

The sweetened entry has more than twice the carbohydrate of the unsweetened entry. Fat and protein vary by brand, so these two entries are examples, not averages.

Is shelf-stable soy milk different from refrigerated?

The difference is storage before opening. Shelf-stable cartons are sold unrefrigerated, refrigerated cartons are sold from the chiller. Both belong in the fridge once opened, as the carton usually says.

Which type should you pick?

If you want to limit added sugar, choose the unsweetened type and read the Nutrition Facts label for added sugars. Calcium varies with fortification, so compare labels if you use soy milk in place of dairy milk. Ask a doctor or dietitian if you have a soy allergy or a medical diet.

People also ask

What are the types of soy milk?

USDA lists plain unsweetened and plain sweetened soy milk, in shelf-stable and refrigerated forms. Stores also sell flavored versions.

Is unsweetened soy milk lower in carbs than sweetened?

Yes in these USDA entries: about 1.29 g carbohydrate per 100 g for unsweetened shelf-stable against about 3.0 g for sweetened refrigerated.

How much protein is in soy milk?

USDA lists 3.55 g per 100 g for unsweetened shelf-stable soy milk and 2.78 g for sweetened refrigerated plain soy milk.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. USDA FoodData Central: Soy milk, unsweetened, plain, shelf stable, read 5 Nov 2026
  2. USDA FoodData Central: Soy milk, sweetened, plain, refrigerated, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Aug 21, 2025 · Updated Nov 5, 2026
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