Does Unsweetened Soy Milk Have Calories? A Nutritional Insight - Nutrition

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Unsweetened soy milk


Hello, does unsweetened soy milk still contain calories? I make my own unsweetened soy milk because I feel safe about it, and it has no added sugar at all!

LAN LAN, 20~29 year old female. Ask Date: 2011/10/01

Dr. Cai Xiuwen reply Nutrition


Hello! Unsweetened soy milk also contains calories—one cup (240cc) has 75 calories.
Soy milk is a great source of plant-based protein, and if it is unfiltered, it is also high in fiber! It is a very healthy food, but individuals with impaired kidney function or those with gout should consume it in moderation.
Wishing you good health.
This information is provided by Dietitian Tsai Hsiu-Wen from Nantou Hospital, Department of Health.

Reply Date: 2011/10/01

More Info


Unsweetened soy milk does indeed contain calories, even if it is homemade and free from added sugars. The caloric content primarily comes from the soybeans themselves, which are rich in protein and healthy fats. On average, unsweetened soy milk contains about 80-100 calories per cup (approximately 240 ml), depending on the specific preparation method and the ratio of soybeans to water used in making the milk.

To provide a more detailed nutritional insight, let's break down the components of unsweetened soy milk:
1. Protein: Soy milk is a good source of plant-based protein. A cup of unsweetened soy milk typically contains around 7-9 grams of protein, which is comparable to cow's milk. This makes it a suitable alternative for those who are lactose intolerant or prefer a vegan diet.

2. Fats: Unsweetened soy milk contains healthy fats, primarily polyunsaturated and monounsaturated fats. These fats are beneficial for heart health. A cup of unsweetened soy milk usually has about 4-5 grams of fat, with very little saturated fat.

3. Carbohydrates: The carbohydrate content in unsweetened soy milk is relatively low, usually around 3-4 grams per cup. This is primarily from the natural sugars found in soybeans, rather than added sugars.

4. Vitamins and Minerals: Unsweetened soy milk is often fortified with vitamins and minerals, such as calcium, vitamin D, and vitamin B12, making it a nutritious alternative to cow's milk. However, the level of fortification can vary by brand, so it’s essential to check the label if you’re relying on soy milk for specific nutrients.

5. Isoflavones: Soy milk is also rich in isoflavones, which are phytoestrogens that may have various health benefits, including potential protective effects against certain cancers and heart disease.

While unsweetened soy milk is a nutritious option, it’s important to consider the overall dietary context. If your little boy is not consuming cow's milk, ensuring he gets adequate calcium and vitamin D from other sources is crucial. Fortified soy milk can help meet these nutritional needs, but you should also include other calcium-rich foods in his diet, such as leafy greens, tofu, almonds, and fortified cereals.

In summary, unsweetened soy milk does contain calories, primarily from protein and healthy fats, and it can be a nutritious alternative to cow's milk. However, it's essential to ensure that your child is receiving a balanced diet that meets all his nutritional requirements, especially if he is not consuming traditional dairy products. Always consult with a pediatrician or a registered dietitian for personalized dietary advice tailored to your child's specific needs.

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