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What Non-Dairy Milk Has the Highest Protein Content?

4 min read

With the plant-based milk market booming, many people are turning away from traditional dairy, but not all alternatives are created equal, especially regarding protein. The surprising truth is that pea milk, and soy milk stand out as having the highest protein content, closely matching cow's milk.

Quick Summary

This article compares the protein content of popular non-dairy milk options like soy, pea, almond, and oat. It details the nutritional profiles and benefits of each, highlighting how soy milk and pea milk provide the most protein per serving. Key considerations for making an informed choice are also covered.

Key Points

  • Pea milk is the highest: Unfortified pea milk can offer up to 8 grams of protein per cup, rivaling dairy milk.

  • Soy milk is a complete protein: Soy milk provides 7–8 grams of protein per cup and contains all nine essential amino acids.

  • Oat milk protein varies: Standard oat milk contains 2–4 grams of protein, but fortified varieties with added pea protein can reach 8 grams.

  • Nut milks are lower in protein: Almond and cashew milks are low in protein (1–2 grams per cup) due to the filtering process.

  • Fortification is important: Many non-dairy milks are fortified with calcium and vitamin D to match the nutrient profile of dairy milk.

  • Choose unsweetened to avoid sugar: Always check the label for added sugars, as sweetened versions can significantly increase the calorie and sugar count.

In This Article

Top Contenders for High Protein Non-Dairy Milk

For those seeking a high-protein alternative to dairy, the search often leads to the refrigerated section of the grocery store, which is now filled with options far beyond just soy. When it comes to matching the protein punch of dairy milk, two primary contenders rise to the top: pea milk and soy milk.

Pea Milk

Pea milk is a relatively new player in the market but has quickly gained popularity for its impressive nutritional profile. Made from yellow split peas, it delivers a protein content that rivals cow's milk, often providing around 8 grams per 8-ounce serving. Not only is it high in protein, but it is also frequently fortified with other vital nutrients, including calcium and vitamin D. Pea milk is also an excellent option for those with common allergies, as it is naturally dairy, soy, and nut-free.

Soy Milk

As one of the original plant-based milk alternatives, soy milk has long been recognized for its high protein content. A standard cup can provide between 7 and 8 grams of protein. What sets soy milk apart is that it is a complete protein, containing all nine essential amino acids necessary for the human body. This makes it a nutritionally robust choice, and most brands are heavily fortified with calcium and vitamin B12, making it a staple for many vegans.

Mid-Range and Low-Protein Non-Dairy Milks

Beyond the top-tier, other non-dairy milks offer varying levels of protein, flavor, and texture. While they may not be the best choice for a protein boost, they serve other purposes depending on your dietary needs.

Oat Milk

Oat milk has exploded in popularity, prized for its creamy texture that makes it an ideal addition to coffee and lattes. However, its protein content is significantly lower than soy or pea milk, typically providing only 2–4 grams per cup. Some brands now offer fortified "protein" versions by adding pea protein to increase the protein count.

Hemp Milk

Derived from hemp seeds, this milk alternative is a good source of omega-3 and omega-6 fatty acids. Its protein content is moderate, offering around 3–4 grams per cup. While not a protein powerhouse, its healthy fat profile is a notable benefit.

Almond and Cashew Milks

Despite being made from protein-rich nuts, both almond and cashew milks offer very little protein in their standard forms—often just 1 to 2 grams per cup. The process of straining the nuts to create a smooth, drinkable milk removes much of the protein and fiber. They are, however, very low in calories, and many brands are fortified with calcium and vitamins.

Rice and Coconut Milks

These are at the lower end of the protein spectrum. Rice milk typically provides only 1 gram of protein or less, while coconut milk beverage usually contains less than 1 gram per cup. Rice milk is often chosen for its hypoallergenic properties, and coconut milk for its higher fat content and creamy consistency.

High-Protein Non-Dairy Milk Comparison

Milk Type Protein per 8 oz (approx.) Complete Protein? Key Feature Best For
Pea Milk 8 grams Yes Allergen-friendly High protein boost, allergen sensitivity
Soy Milk 7–8 grams Yes Nutritionally similar to dairy Cooking, baking, all-purpose use
Fortified Oat Milk Up to 8 grams (with added pea protein) Varies by brand Creamy texture for lattes Those who prefer oat flavor but need protein
Hemp Milk 3–4 grams No Omega-3/6 fatty acids Boosting healthy fats
Oat Milk (Standard) 2–4 grams No Naturally creamy, good fiber Lattes, creamy consistency
Almond Milk 1–2 grams No Low calorie Low-calorie option, light flavor
Cashew Milk 1–2 grams No Rich, creamy texture Sauces and soups
Coconut Milk <1 gram No High saturated fat Low-carb, rich dishes

How to Choose the Right High-Protein Non-Dairy Milk

When selecting your milk, your goals matter. If pure protein content is the priority, pea or soy milk are the obvious front-runners. However, if you have specific allergies, a certain taste preference, or other nutritional goals, the choice might be different.

  • Read the label carefully: Always check the nutrition facts, especially for fortified versions of oat or almond milk that boast higher protein. Ensure you are getting the protein you expect.
  • Consider allergies: For those with soy or nut allergies, pea milk is a fantastic, high-protein alternative that avoids these common allergens.
  • Look for fortification: Since many plant-based milks are naturally low in calcium and vitamin D, always choose a product fortified with these nutrients to replace what you'd get from dairy.
  • Watch for added sugars: Sweetened varieties of non-dairy milks can contain a lot of hidden sugar. Opt for unsweetened versions to avoid unnecessary calories.
  • Test for taste: The flavor profiles vary dramatically. Soy milk can have a distinct “beany” flavor, while pea milk is often described as more neutral. Tasting different brands is the best way to find a favorite.

For more detailed nutritional comparisons, resources like the articles on the National Institutes of Health website can be helpful. Choosing the right non-dairy milk involves weighing protein content against personal health requirements and taste preferences.

Conclusion

While many non-dairy milks offer a delicious alternative to traditional dairy, pea milk and soy milk stand out as having the highest protein content. Pea milk offers up to 8 grams per cup and is a great option for those with soy allergies, while soy milk provides a comparable amount and is also a complete protein. Other options like oat, almond, and cashew milk are lower in protein but may be chosen for their texture, flavor, or lower calorie count. The best choice ultimately depends on your specific dietary needs and preferences, so it's always wise to compare labels and consider fortification levels.

Frequently Asked Questions

No, standard almond milk is very low in protein, typically containing only 1 to 2 grams per cup. This is because the nut solids, where most of the protein resides, are strained out during processing.

Yes, soy milk is one of the few plant-based protein sources that is considered a complete protein, meaning it contains all nine essential amino acids.

Yes, pea milk is an excellent option for individuals with common allergies. It is naturally free of dairy, soy, and nuts, making it a safe and high-protein choice.

Yes, while standard oat milk is lower in protein (2–4 grams per cup), some brands offer specially fortified 'protein' versions that have added pea protein to boost the content to around 8 grams.

Soy milk is often the best choice for baking due to its high protein content, which can help provide better structure in doughs and batters, similar to dairy milk.

Hemp milk offers a moderate amount of protein, typically 3–4 grams per cup. While not as high as soy or pea milk, it is also a good source of healthy omega-3 and omega-6 fatty acids.

Since many non-dairy milks are not naturally rich in vitamins like dairy milk, choosing a fortified version ensures you get essential nutrients such as calcium and vitamin D.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.