Welcome to my full ONNIT Whey Isolate Protein review.
ONNIT is a reputable brand that offers a range of health supplements, including protein powders. One of its most popular products is the ONNIT Grass-Fed Whey Isolate Protein, which claims to support muscle gain, promote faster recovery, aid in body recomposition, maintain overall health, and assist in reaching optimal protein intake.
This article will provide an in-depth review of the ONNIT Whey Isolate Protein, covering its brand overview, product description, nutritional profile, ingredient analysis, health benefits, dietary restrictions, comparison with other brands, usage and dosage, side effects and precautions, customer reviews and feedback, pricing and availability, and conclusion. By the end of this article, readers will have a comprehensive understanding of the ONNIT Whey Isolate Protein and be able to make an informed decision about whether it is the right protein powder for their needs.
Key Takeaways
- The ONNIT Grass-Fed Whey Isolate Protein is a popular protein powder that claims to offer a range of health benefits, including supporting muscle gain, promoting faster recovery, and maintaining overall health.
- The product contains grass-fed whey isolate, which preserves a higher quality amino acid profile, and delivers 20 grams of protein per serving.
- While the product has received positive customer reviews, it may not be suitable for those with dietary restrictions or those who are looking for a more affordable protein powder option.
ONNIT Brand Overview
ONNIT is a lifestyle brand that offers a range of supplements, fitness equipment, and on-demand workouts. The company was founded in 2010 by Aubrey Marcus, who is also the CEO. ONNIT aims to help people reach their fitness goals and improve their overall wellness.
One of the unique aspects of ONNIT is its focus on unconventional fitness equipment such as kettlebells, clubs, and maces. The company also operates the ONNIT Academy, which offers education and certification programs for fitness professionals.
ONNIT has gained a significant following in part due to its association with Joe Rogan, who is a popular podcast host and ONNIT customer. Rogan has frequently promoted ONNIT’s products on his podcast, which has helped to increase the company’s visibility.
Overall, ONNIT is a reputable brand that offers a range of high-quality products and services for fitness enthusiasts. The company’s focus on unconventional fitness equipment and education sets it apart from other supplement brands on the market.
Product Description


ONNIT Whey Isolate Protein is a high-quality protein powder made from grass-fed whey isolate sourced from New Zealand dairy cows. It comes in two flavors: Mexican Chocolate and Vanilla.
Each serving of ONNIT Whey Isolate Protein contains 20 grams of protein, 5 grams of carbs (2 grams of fiber, no sugar), and 2 grams of fat (0.5 grams saturated). Unfortunately, there is no information available about the cholesterol content.
ONNIT Whey Isolate Protein is made from grass-fed whey isolate, which means that it is free from hormones and antibiotics. This makes it a healthier choice compared to other protein powders on the market.
The protein powder is easy to mix and has a smooth texture. The Mexican Chocolate flavor has a rich, chocolatey taste, while the Vanilla flavor is creamy and sweet.
Overall, ONNIT Whey Isolate Protein is a high-quality protein powder that is perfect for anyone looking to build muscle, recover faster from workouts, or simply increase their protein intake.
Nutritional Profile
ONNIT Whey Isolate Protein is a high-quality protein powder that is designed to provide the body with essential amino acids needed for muscle recovery. The protein content in each serving is 20 grams, and it is made from grass-fed whey isolate.
In terms of macronutrients, each serving of ONNIT Whey Isolate Protein contains 120 calories, 5 grams of carbs (2 grams of fiber, no sugar), and 2 grams of fat (0.5 grams saturated). However, there is no information available about the cholesterol content.
ONNIT Whey Isolate Protein is a rich source of amino acids that are essential for muscle recovery and growth. It offers a complete amino acid profile, which includes all nine essential amino acids that the body cannot produce on its own. This makes it an excellent choice for anyone looking to increase their protein intake.
In addition to protein, ONNIT Whey Isolate Protein also contains vitamins and minerals that are essential for overall health and well-being. It is a good source of calcium, which is important for bone health, and also contains iron, magnesium, and potassium.
Overall, ONNIT Whey Isolate Protein is a high-quality protein powder that offers a complete nutritional profile. It is an excellent choice for anyone looking to increase their protein intake and support muscle recovery and growth.
Ingredient Analysis


ONNIT Whey Isolate Protein powder is made with natural ingredients and is free from artificial additives. It contains a highly concentrated dose of protein that the body needs to repair and build muscle. Each serving provides 24 grams of high-quality protein sourced from grass-fed cows, ensuring purity and quality.
The protein powder is low in carbohydrates and fat, with only 120 calories per serving. It is also gluten-free, making it suitable for those with dietary restrictions. ONNIT Whey Isolate Protein powder is sweetened naturally with stevia, which is a plant-based sweetener that contains zero calories.
The powder does not contain any proprietary blends, which means that all of the ingredients are listed on the label. This transparency is important for consumers who want to know exactly what they are putting into their bodies.
ONNIT Whey Isolate Protein powder does not contain maltodextrin, which is a common ingredient in many protein powders. Maltodextrin is a carbohydrate that is used as a thickener and filler in many products. It has a high glycemic index, which means that it can cause a rapid spike in blood sugar levels.
The protein powder also does not contain sunflower oil, which is another common ingredient in many protein powders. Sunflower oil is high in omega-6 fatty acids, which can be inflammatory when consumed in excess.
Lastly, ONNIT Whey Isolate Protein powder does not contain monk fruit extract, which is a natural sweetener that is often used in protein powders. While monk fruit extract is generally considered safe, some people may experience side effects such as bloating, gas, and diarrhea.
Overall, ONNIT Whey Isolate Protein powder is a natural and high-quality protein powder that is free from unnecessary or extra additives. It is a great option for anyone looking to increase their protein intake and build muscle.
Health Benefits
ONNIT’s Grass-Fed Whey Isolate protein powder offers several health benefits for individuals looking to improve their overall physical health, muscle growth, and recovery. Here are some of the key benefits:
- Muscle Growth: ONNIT’s whey isolate protein powder contains 20 grams of protein per serving, which is essential for muscle growth and repair. It also contains essential amino acids that help to stimulate muscle protein synthesis.
- Overall Health: The protein powder is low in calories (120 calories per serving) and contains only 5 grams of carbs (2 grams of fiber, no sugar) and 2 grams of fat (0.5 grams saturated). This makes it an excellent choice for individuals looking to maintain a healthy weight and improve their overall health.
- Improve Mood and Focus: ONNIT’s whey isolate protein powder contains tryptophan, an amino acid that helps to increase serotonin levels in the brain. This can help to improve mood and focus.
- Endurance and Recovery: The protein powder also contains BCAAs (branched-chain amino acids) that help to reduce muscle damage and improve endurance during workouts. It also contains glutamine, which helps to promote muscle recovery after exercise.
- Muscle Gain: ONNIT’s protein powder is an excellent source of protein for individuals looking to gain muscle mass. It is also low in carbs and fat, which makes it an ideal choice for individuals looking to maintain a lean physique.
- Improve Gut Health: The protein powder contains probiotics that help to improve gut health and digestion. This can lead to better nutrient absorption and overall health.
Overall, ONNIT’s Grass-Fed Whey Isolate protein powder is a high-quality supplement that offers several health benefits for individuals looking to improve their physical health, muscle growth, and recovery.
Dietary Restrictions
When it comes to dietary restrictions, ONNIT Whey Isolate Protein is a great option for those with gluten-free and lactose-free dietary needs. It is also suitable for vegetarians who consume dairy products, but not for vegans as it contains whey protein, which is derived from milk.
For those who are gluten intolerant or have celiac disease, ONNIT Whey Isolate Protein is a gluten-free protein powder. This means that it does not contain any gluten, a protein found in wheat, barley, and rye, that can cause digestive issues in some people.
For those who are lactose intolerant or have a milk allergy, ONNIT Whey Isolate Protein is a good option as it contains only trace amounts of lactose. However, it is important to note that it is not suitable for those who are completely dairy-free or vegan.
For those who follow a vegan diet, ONNIT Whey Isolate Protein is not suitable as it contains whey protein, which is derived from milk. However, there are other vegan protein powders available on the market, such as pea, rice, and hemp protein powders, that are suitable for vegans.
Overall, ONNIT Whey Isolate Protein is a good option for those with gluten-free and lactose-free dietary needs, but it is not suitable for those who are completely dairy-free or vegan. It is important to always check the ingredients list and nutritional information before purchasing any protein powder to ensure that it meets your dietary needs.
Comparison with Other Brands
ONNIT Whey Isolate Protein is not the only supplement on the market, and there are many other brands to choose from. However, ONNIT has several qualities that make it stand out from the crowd.
Firstly, ONNIT is known for producing high-quality supplements. They use grass-fed whey isolate, which is a more pure form of whey protein. This means that the protein is free from hormones and antibiotics that are often found in conventional dairy products. Additionally, ONNIT’s whey isolate is cold-processed, which helps to preserve the protein’s natural nutrients.
When compared to other brands, ONNIT’s Whey Isolate Protein is relatively expensive. However, the high-quality ingredients and manufacturing process justify the higher price tag.
One popular brand that ONNIT’s Whey Isolate Protein is often compared to is Optimum Nutrition’s Gold Standard Whey. While both are high-quality supplements, ONNIT’s product is made with grass-fed whey isolate, while Optimum Nutrition’s product is made with whey concentrate. This means that ONNIT’s product has a higher protein content and is more easily absorbed by the body.
Finally, ONNIT offers a wide range of supplements, including their popular Total Human supplement. This means that customers can easily find all of their supplement needs in one place, making it a convenient option for those looking to improve their health and fitness.
Overall, ONNIT’s Whey Isolate Protein is a high-quality supplement that stands out from the competition due to its use of grass-fed whey isolate and cold-processing. While it may be more expensive than other brands, the quality of the product justifies the price. Additionally, ONNIT’s range of supplements makes it a convenient option for those looking to improve their overall health and fitness.
Usage and Dosage
ONNIT Whey Isolate Protein is a dietary supplement that is designed to help individuals meet their daily protein intake. It is an excellent source of protein for anyone looking to build muscle, improve their athletic performance, or simply maintain a healthy diet.
The recommended dosage of ONNIT Whey Isolate Protein is one scoop (28 grams) mixed with 8-12 ounces of water or your favorite beverage. It is best to consume the protein shake immediately after a workout or as a snack between meals.
For individuals who are looking to increase their protein intake, ONNIT Whey Isolate Protein can be used as a supplement to their regular diet. It is important to note that protein supplementation should not be used as a replacement for a healthy diet and regular exercise.
When using ONNIT Whey Isolate Protein, it is essential to follow the recommended dosage and not exceed the daily limit. Excessive protein intake can put a strain on the liver and kidneys and lead to other health problems.
Overall, ONNIT Whey Isolate Protein is a safe and effective dietary supplement that can help individuals meet their daily protein needs. It is an excellent choice for anyone looking to improve their athletic performance, build muscle, or maintain a healthy diet.
Side Effects and Precautions
While ONNIT Whey Isolate Protein is generally considered safe for most people, there are some potential side effects and precautions to keep in mind.
Some people may experience mild digestive issues, such as bloating or gas, after taking whey protein supplements. This is more common in people who are lactose intolerant or have sensitive stomachs. However, ONNIT’s grass-fed whey protein is generally considered a safe protein powder with very few comments about side effects.
It’s important to note that whey protein supplements contain lactose, which is a type of sugar found in milk. People who are lactose intolerant may experience digestive discomfort or other side effects when consuming whey protein. If you have a history of lactose intolerance, it’s best to talk to your doctor before adding a whey protein supplement to your diet.
Another potential concern with whey protein supplements is the risk of contamination with harmful substances, such as heavy metals or bacteria. To minimize this risk, it’s important to choose a high-quality whey protein supplement from a reputable manufacturer, such as ONNIT.
Finally, some people may be concerned about the use of probiotics in ONNIT’s grass-fed whey protein. While probiotics can be beneficial for digestive health, there is some concern that they may interact with certain medications or medical conditions. If you have any concerns about the use of probiotics or other supplements, it’s best to talk to your doctor before starting a new supplement regimen.
Customer Reviews and Feedback
ONNIT’s Grass-Fed Whey Isolate Protein has received generally positive reviews from customers. Many customers have praised the product for its high protein content, low calorie count, and great taste.
On Amazon, the product has an average rating of 4.5 out of 5 stars, with over 1,000 reviews. Customers have noted that the protein powder mixes well, is easy to digest, and has helped them build muscle and recover after workouts.
However, some customers have reported experiencing digestive discomfort after consuming the protein powder. It is important to note that individual experiences may vary, and it is always recommended to consult with a healthcare professional before starting any new supplement regimen.
Overall, ONNIT’s Grass-Fed Whey Isolate Protein appears to be a popular choice among customers looking for a high-quality protein supplement. Its positive reviews and high ratings on Amazon are a testament to its effectiveness and quality.
Pros
- High protein content
- Low calorie count
- Great taste
- Mixes well
- Easy to digest
Cons
- Some customers may experience digestive discomfort
- Slightly more expensive compared to other protein powders on the market
Pricing and Availability
ONNIT Grass-Fed Whey Isolate Protein is available for purchase on the company’s official website and Amazon. The price for a 20-serving container is $59.95, which is relatively expensive compared to other whey protein products on the market.
However, ONNIT’s Grass-Fed Whey Isolate Protein is made from high-quality ingredients and is free from artificial flavors, sweeteners, and colors. The product is also gluten-free and non-GMO, making it a suitable option for people with dietary restrictions.
While the product may be more expensive than other protein powders, it is worth noting that ONNIT offers a subscription service that allows customers to save 15% on their order. Additionally, the company frequently runs promotions and discounts, making the product more affordable for those on a budget.
Overall, ONNIT’s Grass-Fed Whey Isolate Protein is a premium product that is priced accordingly. However, for those looking for a high-quality protein powder that is free from artificial ingredients, the product is a worthwhile investment.
Conclusion
ONNIT Whey Isolate Protein is a dietary supplement that provides a high-quality source of protein for athletes and fitness enthusiasts. Made from grass-fed cows, this protein powder is designed to support muscle recovery and growth, as well as overall health and wellness.
While there are some concerns about the taste and texture of the powder, most users appreciate the fact that it is made from natural and ethically sourced ingredients. Additionally, the protein powder is relatively safe and does not typically cause any serious side effects.
Overall, ONNIT Whey Isolate Protein is a solid choice for anyone looking for a high-quality protein supplement. It may not be the best option for those with sensitive stomachs or who are looking for a protein powder with a more appealing taste, but for most users, it provides an effective and reliable source of protein.
Frequently Asked Questions
What are the benefits of ONNIT Whey Isolate Protein?
ONNIT Whey Isolate Protein is a high-quality protein powder that is made from grass-fed whey isolate, which means it is free from artificial hormones and antibiotics. It is a great source of protein that can help build and repair muscle, aid in weight loss, and improve overall health.
How does ONNIT Whey Isolate Protein compare to other protein powders?
ONNIT Whey Isolate Protein is a high-quality protein powder that is made from grass-fed whey isolate. It is free from artificial hormones and antibiotics, which makes it a healthier option compared to other protein powders. It is also low in carbohydrates and fat, which makes it a good option for people who are watching their calorie intake.
What are the ingredients in ONNIT Whey Isolate Protein?
The main ingredient in ONNIT Whey Isolate Protein is grass-fed whey isolate. It also contains natural flavors, stevia leaf extract, and sunflower lecithin. It does not contain any artificial sweeteners, colors, or preservatives.
Is ONNIT Whey Isolate Protein suitable for people with lactose intolerance?
ONNIT Whey Isolate Protein is made from whey isolate, which means it contains very little lactose. It is usually well-tolerated by people with lactose intolerance. However, if you have a severe lactose intolerance, you may want to consult with your healthcare provider before taking this product.
What is the recommended serving size for ONNIT Whey Isolate Protein?
The recommended serving size for ONNIT Whey Isolate Protein is one scoop (27 grams). It can be mixed with water or your favorite beverage. It is best to take it after a workout or as a meal replacement.
Are there any side effects associated with taking ONNIT Whey Isolate Protein?
ONNIT Whey Isolate Protein is generally safe for most people. However, some people may experience mild digestive issues such as bloating, gas, or diarrhea. If you experience any adverse effects, stop taking the product and consult with your healthcare provider.