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Hemp protein powder

Benefits, taste, dosage, side effects, and more

Hemp protein powder is a popular plant-based supplement, especially among vegan athletes. This article checks the facts to determine whether hemp protein powder is the best plant-based protein powder available.

This article is based on scientific evidence, written by experts, and fact-checked by experts.
We look at both sides of the argument and strive to be objective, unbiased, and honest.
Hemp protein powder: The best plant-based protein?
Last updated on August 15, 2023, and last reviewed by an expert on November 22, 2022.

Protein powders are popular nutritional supplements used by athletes, bodybuilders, and those trying to gain weight or increase muscle mass.

Hemp protein powder: The best plant-based protein?

Hemp protein powder is one of the more popular varieties, made by grinding pressed hemp seeds into a fine powder.

It has an earthy, nutty taste and is often added to shakes or smoothies to boost protein intake.

Hemp is a high-quality vegan protein containing all nine essential amino acids, fiber, healthy fats, and minerals.

This article reviews the pros and cons of hemp protein powder and determines whether it’s the best plant-based protein powder available.

In this article

Hemp protein powder is a complete protein

Hemp is a complete protein containing all nine essential amino acids humans must get from food.

However, research is mixed on the exact amounts of these amino acids it contains.

One study found that the amino acid profile of hemp protein is similar to egg whites and soy, both high-quality protein sources.

However, other studies have shown that hemp has relatively low essential amino acid lysine levels, making it a poorer-quality option for that nutrient.

A 1/4 cup (30-gram) serving of hemp protein powder contains around 120 calories and 15 grams of protein, depending on the brand.

That’s less protein per serving than soy or pea protein powders, which are more highly refined and contain up to 90% protein.

However, hemp is a good choice for those who prefer less processed protein sources.

Summary: Hemp protein is a complete protein, containing all nine essential amino acids, but more research is needed on its quality. Each 1/4 cup (30-gram) serving contains 15 grams of protein.

Hemp protein powder is easy to digest

In general, animal proteins are more easily digested than plant proteins, but research shows that 91–98% of the protein in ground hemp seed is digestible.

This means that your body can use almost all of the amino acids in hemp protein powder for critical bodily functions, such as repair and maintenance.

Researchers believe hemp is easy to digest because it contains the proteins edestin and albumin, which your body can break down quickly.

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However, other studies that judge proteins based on both digestibility and amino acid content consider hemp protein to be of moderate quality — roughly on par with lentils.

Research has found that heat processing can reduce the digestibility of hemp protein by about 10%, so look for hemp protein powders made from cold-pressed seeds.

Summary: Hemp protein is very easy to digest, but look for cold-pressed hemp protein for the highest quality.

Hemp protein powder is an excellent source of fiber

High-fiber diets have been linked to many health benefits, including improved blood sugar, healthier gut bacteria, and a reduced risk of bowel cancer.

Women and men should consume 25 and 38 grams of fiber daily, but studies show that less than 5% of American adults meet these recommendations.

High-fiber foods, such as hemp protein, can help bridge this gap.

Hemp protein powders can contain different amounts of fiber depending on whether they were made from hulled or unhulled hemp seeds and whether additional fiber was added.

Most hemp protein powders contain 7–8 grams of fiber per 1/4 cup (30 grams) and provide 18–28% of the recommended daily fiber intake for men and women, respectively.

In comparison, other plant-based protein powders such as soy, pea, and rice are highly refined and contain very little fiber.

Hemp protein powder is a great way to add protein and fiber to your diet, which may keep you feeling fuller.

Suggested read: Pea protein powder: Nutrition, benefits and side effects

Summary: Hemp protein powder is a good source of fiber, containing 8 grams per serving — much more than most other plant-based protein powders.

Hemp protein powder contains unsaturated fats

Hemp protein powder is made from hemp seeds pressed to remove their oils, but it still contains roughly 10% of the original fat content.

A 1/4-cup (30-gram) serving has around 3 grams of fat, most of which is unsaturated and excellent for heart health.

Additionally, hemp seeds contain an ideal 3:1 ratio of omega-6 to omega-3 fatty acids.

A typical Western diet provides an unbalanced 15:1 ratio of these fats and has been linked to many chronic diseases, including heart disease and cancer.

Consuming foods such as hemp seeds, which have lower omega-6 to omega-3 ratios, can help correct this imbalance and may improve heart health.

Since hemp protein powder is less refined than other protein isolates, it contains more fat than most protein powders.

This fat content can be good for people who want to add more heart-healthy unsaturated fats to their diet but may be undesirable for those seeking a lower-calorie protein powder.

Since hemp protein powder contains fat, it should be stored in the refrigerator after opening to prevent the fats from going rancid.

Summary: Hemp protein powder contains omega-6 and omega-3 fats in an ideal 3:1 ratio that promotes heart health, but it’s slightly higher in calories because of it.

Hemp protein powder is rich in minerals and antioxidants

Hemp seeds are an incredibly rich source of minerals such as phosphorus, magnesium, calcium, iron, manganese, zinc, and copper.

To date, no research has investigated how processing the seeds into protein powder affects the levels of these nutrients.

However, the nutrition fact labels on many hemp protein products indicate that they contain up to 80% of the recommended daily intake for magnesium and 52% of iron per serving.

Suggested read: 6 evidence-based health benefits of hemp seeds

Moreover, hemp seeds contain compounds called lignanamides which have strong antioxidant properties.

Antioxidants protect your body from oxidative damage linked to chronic illnesses, including heart disease and diabetes, so eating foods that contain antioxidants is good for your health.

Summary: Hemp protein powder is a good source of antioxidants and minerals, especially magnesium and iron, which benefits your health.

Hemp protein powder has an earthy taste

Hemp protein powder is brownish-green in color and has a taste that can be described as earthy, nutty, or grassy.

While many people enjoy the taste of hemp protein powder, others find it too strong.

It’s worth trying a small amount of hemp protein to see if you enjoy it before buying it in bulk.

Since hemp protein is less refined than other protein powders, it’s slightly grittier in texture.

It blends well with smoothies and shakes but can be sandy when stirred with water.

Summary: Hemp protein powder has an earthy taste that many people enjoy. It’s best consumed blended with other ingredients since it can have a grittier texture than other plant-based protein powders.

Recommended dosages for hemp protein powder

Adults need at least 0.36 grams of protein per pound (0.8 grams per kg) of body weight every day.

For a 150-pound (68.2-kg) adult, this equates to 55 grams of protein per day.

However, people who exercise need more protein to maintain their muscle mass.

The International Society of Sports Nutrition recommends that regular exercisers eat 0.64–0.9 grams per pound (1.4–2.0 grams per kg) of body weight per day.

People who do resistance training while cutting calories, such as bodybuilders and fitness competitors, may need up to 1.4 grams per pound (3.1 grams per kg) of body weight.

Athletes should consume protein within two hours after exercise for maximum recovery benefits. Doses of 5–7 tablespoons of hemp protein powder are most effective for muscle building.

Suggested read: Are protein bars good for you?

While whole foods should make up the bulk of the protein in your diet, supplementing with protein powder can be an excellent additional protein source.

Summary: Hemp protein powder can be a valuable additional protein source, especially for athletes. 5–7 tablespoons provide the ideal amount of protein for exercise recovery.

Hemp protein powder side effects and precautions

While hemp protein powder is safe for most people, there can be potential side effects.

Since hemp protein contains relatively high amounts of fiber, some people may experience gas, bloating, or diarrhea if they consume too much too quickly.

Additionally, those with allergies to hemp should avoid hemp protein powder.

A few animal studies suggest that hemp may be unsafe for pregnant or nursing women, people with anemia, and those with poor immunity, but human studies are needed.

Though hemp is in the same plant family as marijuana, hemp seeds contain very little of the psychoactive compound THC. Research shows that eating up to 0.67 pounds or 300 grams of hulled hemp seeds daily does not interfere with urine drug tests.

Summary: Hemp is safe for most people, though it can cause digestive problems. It should be avoided by anyone with hemp allergies and certain medical conditions. This protein powder does not contain enough THC to affect drug test results.


Hemp protein powder is a complete protein that packs antioxidants, minerals, fiber, and heart-healthy unsaturated fats.

It’s a good choice, especially for vegans, but may be less nutritious than other plant-based proteins such as soy.

While it’s generally safe, it can cause side effects or adverse reactions in some people.

More research is needed to determine the quality of hemp protein powder, but it is a good choice for those looking for a nutritious protein powder with fiber and healthy fats.

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Suggested read: 13 nearly complete protein sources for vegetarians and vegans
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