Difference Between Oat Milk and Soy Milk (With Table)

One of the major medical reasons why individuals select milk products based on plants is to prevent lactose intolerance symptoms or cow’s milk protein allergy. Physicians believe that 2 to 5% of children under the age of three have this allergy occurrence. The number of adults is lower. Some people may pick milk products based on plants because they feel that they are more sustainable, ethical, or healthy than cow’s milk. The nutrition profile of each type of plant milk is different. It is crucial to notice. Certain drinks are aromatic and might include more sugar and salt than other brands.

Oat Milk vs Soy Milk

The difference between oat milk and soy milk is that oat milk has a mild, creamy flavor, suitable for cereals, hot drinks, and self-drink. The most frequent substitute for cow’s milk is soy milk, and it is the first plant alternative on the US market. It should also be noted that oat milk is caloric rather than sweetened almond and coconut milk.

Oat milk is vegetable milk produced by extracting the plant material with water from entire grains of oat. Oat milk is made in many tastes, such as sweetened, non-sweetened, vanilla, or chocolate, with the oatmeal-like texture and oatmeal flavor. Contrary to previous herbal milk of 13th-century provenance, Swedish scientist Rickard Oste produced oat milk in the 1990s.

Soy milk is a herbal beverage made from soup and crushed soybeans, boiling the combination and filtering out the residual particles, known as soy milk or soy milk. The emulsion of oil, water, and protein is stable. Its original form is a tofu manufacturing intermediary product.

Comparison Table Between Oat Milk and Soy Milk

Parameters of Comparison Oat MilkSoy Milk
Calories Oat milk consists of 130 calories.Soy Milk consists of 101 calories.
ProteinOat milk consists of 4.01g of protein.Soy milk consists of 6.0g of protein.
FatOat milk consists of 2.50g of fat.Soy milk consists of 3.5g of fat.
Vitamin DOat milk consists of 101 IU of vitamin D.Soy milk consists of 120 IU of vitamin D.
Calcium Oat milk consists of 350mg of calcium.Soy milk consists of 451mg of calcium.

What is Oat Milk?

Oat milk is a popular, vegan-friendly milk replacement for dairy products. It is manufactured with water by soaking and mixing stainless steel or rolled oats and then tightening via a chopping chamber to remove the milk. As healthy as whole oats, of course, oat milk is not. This frequently results in nutritional enrichment – calcium, potassium, iron, and A and D vitamins included. Oat milk is unusual in that it is devoid of many other milk allergies.

Moreover, it includes beta-glucan, a soluble fiber that might be beneficial for cardiac health. Oat milk may be found in most food shops or online because of its rising popularity. It may also be made at home and personalized to your liking. Made with oat’s milk. The mixture is mixed and then filtered once the oats are completely absorbed. The outcome is a creamy structure, which is quite popular in your lattes with cream. The brands of oat milk have different processes for preparing oat milk.

For instance, the method of Oatley is five-step: They first milk an oat/water combination and add enzymes to break the starch. Then the loose oat coats (also called oat bran) are removed from the mix, and the fiber remains (also known as beta-glucans). Before pasteurizing and packaging the whole blend, they will be able to add vitamins and minerals such as calcium and vitamin D. The three are nutritionally equal, although oat milk is greater in carbohydrates. It should also be noted that oat milk is caloric rather than sweetened almond and coconut milk.

What is Soy Milk?

Soy milk is a cultural and commercial commodity that predates all other substitute milk, including oat milk. Since the beginning of the twentieth century, soy milk has traveled from Asia to European and American supermarket shops. The expansion in the consumption of soya milk has generated a big market for non-dairy vegetable milk such as oat milk, given its global dissemination.

In the early 1990s, when Rickard Oster invented oat milk, the first example of an oat crop beverage was. Oster studied lactose intolerance and sustainable food systems at Lund University in Lund, Sweden, when he created the drink. Oatley, the first commercial oat milk maker, was launched by Oster shortly thereafter. As a traditional morning drink in Chinese, Japanese and other regions of Asia, soy milk—a popular milk replacement in western countries—was used for many years. In the United States, people who suffer from lactose intolerance are often using soy milk, just like vegetables.

However, certain doubts arise from the prominent health benefits of soy. Over the years 2017–2019, sales of oat milk in the United States were up tenfold, with a three times rise in worldwide sales claimed by one major producer, Oatley. Originally in East Asia, in the latter part of the twentieth century, it was made a frequent beverage in Europe and North America, especially since production procedures were designed to give it a more similar flavor and consistency as milk. Food allergy is prevalent, and many store-bought soy milk products contain sugar, fillers, and other questionable additions.

Soy milk is a plant-based drink produced by heating soybeans in the water, then grinding and pushing to remove the insoluble fibers. Commercial soy milk varies from calcareous and thin to sweet and creamy. Some brands utilize thickening agents to impart the creamy bite to the fat milk. Soy milk contains an equivalent quantity of protein per serving which makes it closer to cow’s milk than other milk alternatives, for instance, almond, rice, and cocoa.

Main Differences Between Oat Milk and Soy Milk 

  1. Oat milk is made up of oats, whereas soy milk is made up of soybean.
  2. Oat milk has a high caloric value, whereas soy milk has less caloric value.
  3. Oat milk is a vegan-friendly drink, whereas soy milk is a herbal drink.
  4. Oat milk is conveniently available in stores, whereas soy milk is not easily available.
  5. Oat milk is sweet, whereas soy milk is unsweetened.


The greatest decision for you at the end of the day relies on several criteria. If milk is on your menu, cow milk is usual because of its great vitamin content. If you are generally healthy, the fatty choice would be my choice if you had heart disease, diabetes, or were attempting to lose weight. If you can’t get milk the ideal way to make it, soy will be the greatest selection because it has a similar level of protein for your milk. Although they have a hunger-sustaining protein and bone-strengthening calcium, they do not usually contain a wide selection of other possibilities for micronutrients.


  1. https://www.karger.com/Article/Abstract/12736
  2. https://www.sciencedirect.com/science/article/pii/S0023643814004423
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