Cratox AI
Reviewed by Cratox Nutrition Team · Updated August 13, 2026

Soy milk, unsweetened, plain vs Soy milk, unsweetened: nutrition compared

Nutrient (per 100 g)Soy milk, unsweetened, plainSoy milk, unsweetened
Calories39 kcal38 kcal
Protein3.5 g3.5 g
Carbohydrates1.3 g1.3 g
Fat2.1 g2.1 g
Sugar0 g0.6 g
Sodium34.3 mg34 mg

All values per 100 g. Source: USDA FoodData Central.

A top-down view of a foamy glass of milk on a white marble surface. Perfect for a healthy lifestyle concept.

Soy milk, unsweetened, plain

🔥 39 Calories
💪 3.5g Protein
1.3g Carbohydrates
🥑 2.1g Fat

Soy milk, unsweetened, plain provides 39 kcal per 100 g, with 3.5 g of protein, 1.3 g of carbohydrates and 2.1 g of fat.

At a glance

A fast summary built from the current nutrition profile per 100g.

Category
Beverages
Soy milk, unsweetened, plain
Energy density
Light
39 kcal per 100g
Macro energy profile
Fat-led
37% Protein · 14% Carbohydrates · 50% Fat
Glycemic profile
Low GI
GI 34 · GL 1
Notable signals
Low in fatLow in sugarLow in sodiumUSDA data

Nutritional Information

39
kcal/100g
Protein
3.5g
Carbohydrates
1.3g
Fat
2.1g
Glycemic Index:
34

Nutritional Information (per 100g)

NutrientAmount per 100 g
Calories39 kcal
Protein3.5 g
Carbohydrates1.3 g
Fat2.1 g
Sodium34.3 mg

USDA data · USDA FoodData Central

Portion calculator

Calories
39 kcal
Protein
3.5 g
Carbohydrates
1.3 g
Fat
2.1 g
Sodium
34.3 mg

All values are computed from the per-100 g nutrition data (source: USDA).

About Soy milk, unsweetened, plain

Soy milk, unsweetened, plain is a plant-based beverage derived from soybeans, making it a popular dairy alternative for those seeking lactose-free options. Originating from Asia, it has been consumed for centuries, especially in East Asian cultures, and has gained global popularity due to its versatility and health benefits. Soy milk can be used in various recipes, from smoothies to baking, and is a staple in many vegetarian and vegan diets.

In terms of nutrition, soy milk is low in calories, containing approximately 39 calories per 100 grams. It offers a well-rounded nutrient profile, boasting 3.5 grams of protein, 1.3 grams of carbohydrates, and 2.1 grams of healthy fats. The beverage is also a good source of essential vitamins and minerals, including potassium and vitamin C, making it beneficial for heart health and immune function. Its unsweetened version ensures minimal sugar intake, appealing to health-conscious individuals.

Health Benefits

Rich in high-quality protein, supporting muscle health.
Contains isoflavones, which may reduce the risk of certain cancers.
Lactose-free, making it suitable for those with lactose intolerance.
May help lower cholesterol levels and improve heart health.
Provides essential fatty acids, beneficial for brain health.
Rich in antioxidants that combat oxidative stress.
Supports bone health due to its calcium and vitamin D content.
May aid in managing menopausal symptoms.
Contains fiber, promoting digestive health.
Hydrating and low-calorie, ideal for weight management.

Recommended Food Pairings

🥗
Soy milk and oatmeal - a nutritious breakfast option rich in fiber.
🥗
Smoothies with soy milk and bananas - provides a creamy texture and potassium.
🥗
Coffee with soy milk - a dairy-free alternative for lattes and cappuccinos.
🥗
Baking recipes using soy milk - replaces dairy in cakes and muffins, enhancing moisture.
🥗
Soy milk and cereal - a quick, healthy breakfast choice packed with nutrients.

How to Consume

Serving size
Recommended serving is 150g, approximately 1 medium cup.
Frequency
Recommended frequency is daily or 5-7 times per week.
  • Use in smoothies for a protein boost.
  • Substitute for dairy in recipes to maintain a vegan diet.
  • Enjoy chilled or warm based on personal preference.
  • Pair with high-fiber foods for a balanced meal.
  • Incorporate into soups for added creaminess.

Selection & Storage

How to choose:

  • Select soy milk with no added sugars for a healthier option.
  • Check for organic certification to avoid pesticides.
  • Choose fortified varieties for added vitamins and minerals.
  • Look for products with a short ingredient list for purity.
Storage
Store in a cool, dry place before opening; refrigerate after opening.
Shelf life
7-10 days refrigerated once opened; 3 months frozen.

Warnings & Contraindications

  • ⚠️Individuals with soy allergies should avoid soy milk.
  • ⚠️Those on blood thinners should consult a doctor due to vitamin K content.
  • ⚠️Excessive consumption may lead to digestive issues in sensitive individuals.
  • ⚠️Avoiding soy products entirely may be advisable for some thyroid conditions.

Frequently Asked Questions

How many calories does Soy milk, unsweetened, plain have?

Soy milk, unsweetened, plain contains approximately 39 calories per 100 grams, making it a low-calorie alternative to cow's milk. This calorie content allows it to fit well into weight management plans while providing essential nutrients.

Is Soy milk, unsweetened, plain healthy?

Yes, soy milk, unsweetened, plain is considered healthy for many individuals. It is rich in protein, low in saturated fat, and free of cholesterol, making it a heart-healthy choice. Additionally, it contains isoflavones that may offer various health benefits, including potential cancer risk reduction.

How should Soy milk, unsweetened, plain be stored?

Soy milk should be stored in a cool, dry place before opening. Once opened, it must be refrigerated and consumed within 7-10 days for optimal freshness. If freezing, it can last up to 3 months, although the texture may change once thawed.

What are the benefits of eating Soy milk, unsweetened, plain?

The benefits of consuming soy milk include its high protein content, heart health support, lactose-free composition for those with intolerances, and potential cancer risk reduction due to isoflavones. It's also low in calories, making it suitable for weight management.

How much Soy milk, unsweetened, plain can I eat per day?

For most individuals, consuming 1-2 cups (about 240-480ml) of soy milk per day is considered safe and beneficial. However, those with specific health conditions should consult a healthcare provider for tailored advice.

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