Whey protein is a popular supplement for those on a ketogenic diet. It is a by-product of cheese production, derived from the liquid substance in milk. Whey protein is a complete protein, containing all nine essential amino acids. It is available in three types: isolate, concentrate, and hydrolysate. Of these, isolate is the most keto-friendly, as it has the highest protein content and the lowest lactose and carbohydrates. Whey protein is a great supplement for those looking to lose weight, improve satiety, build muscle mass, and increase their protein intake on a keto diet. It is safe for most people, but some individuals with milk allergies or intolerances may experience adverse effects.
Characteristics | Values |
---|---|
Keto diet | High amounts of healthy fats, moderate amounts of protein, and very low amounts of carbohydrates |
Whey protein | A complete protein source with all nine essential amino acids |
Whey protein isolate | A pure protein source with at least 90% protein and very low carbohydrates |
Whey protein concentrate | Contains up to 80% protein, with the remaining 20% made up of carbs and fat |
Whey protein hydrolysate | Predigested and easily absorbed by the gut, suitable for those with digestive issues |
Recommended protein intake on keto | 20-25% of your diet, or 25% if you exercise regularly |
Protein volume | Whey protein isolate must have at least 89.5% protein by weight |
Casein protein | Digested and absorbed slowly, a good source of calcium |
Egg-based protein | Highly digestible, but contain small amounts of carbohydrates |
Collagen protein | May aid in injury prevention when taken before exercise |
Soy protein | High in protein and very low in carbohydrates |
Pea protein | Allergy-friendly and may have similar muscle repair and growth benefits to animal protein |
What You'll Learn
Whey protein is keto-friendly
Whey protein is a popular choice for those on a keto diet, as it contains very low levels of carbohydrates. Whey protein is a by-product of the cheese-making process, so it is not suitable for vegans or those on a plant-based diet.
There are two types of whey protein: whey isolate and whey concentrate. Whey isolate typically contains fewer carbohydrates than whey concentrate, making it a better option for those following a keto diet. Whey isolate is also the purest form of whey protein available to buy, with the highest percentage of protein and the lowest number of carbs per serving.
Whey protein is a double-edged sword, however. While it contains the essential amino acids in the right proportions required by humans, it also causes higher insulin secretion than other quality protein sources like meat and eggs. Whey protein also does not contain intracellular minerals such as potassium, magnesium, and phosphorus, so it is not a complete food like eggs, fish, poultry, or meat.
Whey protein can be a good choice for those on a keto diet, as long as the diet contains adequate vegetables.
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Whey protein isolate is the purest form
Whey protein is a byproduct of the cheese-making process. Manufacturers use enzymes to curdle cow's milk, separating out its solid curds and leaving liquid whey. The curds, composed of milk fat, are used to make cheese. The leftover whey protein is thin and watery. Manufacturers pasteurize this liquid whey to kill bacteria and dry it out to make whey powder.
Whey is used to make three different products:
- Concentrate: Whey protein in this form is used in many products, from protein shakes and bars to infant formula. Each has different amounts of lactose (a sugar found in milk) and fat, depending on its intended use.
- Isolate: Whey is processed to reduce its fat and lactose content, leaving mainly protein.
- Hydrolysate: When whey protein is hydrolyzed, its protein chains are broken down, which makes it easier to digest. This type of whey is most often used in infant formulas.
Whey protein isolate undergoes a more intense process called "cross-flow micro-filtration", which separates the protein from other components such as fat and lactose, giving a purer end product. It contains only very small amounts of lactose, making it a better choice for those who are lactose intolerant. However, those with milk allergies should still avoid whey isolate.
Whey protein can be a good addition to a ketogenic diet, which involves high amounts of healthy fats, moderate amounts of protein, and very low amounts of carbohydrates. However, it is important to note that whey protein causes higher insulin secretion than other quality protein sources like meat and eggs, and it does not come with intracellular minerals such as potassium, magnesium, and phosphorus. Therefore, it should be consumed as part of a well-formulated ketogenic diet that contains adequate vegetables.
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Whey protein can be supplemented with collagen
Whey protein is a popular supplement for those on a ketogenic diet. It is a complete protein, containing all nine essential amino acids, and is derived from dairy. The process of making whey protein involves filtering out milk sugar, which results in a whey protein concentrate. With further filtration, all lactose is removed, creating a whey protein isolate that is 90 to 95% protein by weight. This makes it the best protein supplement for keto diets, as it has the highest amount of pure protein and the lowest amount of carbs.
Combining whey protein with collagen provides a convenient way to ensure your body gets the necessary building blocks for muscle growth and recovery. For example, CorVive's Protein + Collagen Powder offers 23 grams of total protein per serving, with 13 grams of grass-fed whey and 10 grams of grass-fed collagen. Similarly, Sacred Glow Co.'s Collagen Whey Protein provides a total of 20 grams of protein, with 10 grams each of hydrolyzed bovine collagen and grass-fed whey protein.
When choosing a whey protein supplement, it is important to consider the quality and source of the product. For instance, Puori's CP2 Whey & Collagen combines whey protein concentrate with bovine collagen and is third-party tested for transparency and peace of mind. It is also important to note that while whey protein is a great option for a ketogenic diet, it may cause higher insulin secretion compared to other protein sources like meat and eggs.
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Whey protein is a complete protein source
Whey protein is derived from dairy, specifically cow's milk. It is created through a process that filters out most of the milk sugar, leaving a concentrated whey protein. Further filtration can be done to create whey protein isolate, which contains no lactose and is 90-95% protein by weight. This makes it the purest form of whey protein available, and the best supplement for keto diets.
Whey protein is a high-quality protein that is easily digested and absorbed by the body. It is a convenient way to increase your protein intake, especially after exercise, as it supports muscle recovery. It is also beneficial for weight loss, as it promotes feelings of fullness and helps preserve lean muscle mass.
However, whey protein does have some potential drawbacks. It can cause higher insulin secretion compared to other protein sources, and it does not contain intracellular minerals like potassium, magnesium, and phosphorus. Additionally, whey protein is not a complete food on its own, unlike eggs, fish, poultry, or meat. To include whey protein in a well-formulated ketogenic diet, it is important to ensure the diet also contains adequate vegetables.
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Whey protein has anti-inflammatory properties
Research has shown that whey protein can help to reduce inflammation by targeting specific inflammatory markers. For example, a study on older adults found that whey protein supplementation led to a decrease in serum IL-12p70 and IL-13, which are cytokines associated with chronic inflammation. Another study found that whey protein reduced fecal lactoferrin, an antimicrobial protein secreted by neutrophils in the gut that is associated with gut inflammation.
In addition to its anti-inflammatory effects, whey protein has also been found to have other health benefits. It can help improve insulin resistance and reduce oxidative stress, which are factors linked to cardiovascular disease and type 2 diabetes. Whey protein has also been shown to lower blood pressure and improve vascular functions.
When choosing a whey protein supplement, it is important to look for one that is high in whey protein isolate, as this form of whey protein has the highest amount of pure protein and the lowest amount of carbs. It is also important to note that not all whey protein supplements are created equal, and some may have added sugars or other ingredients that can affect their anti-inflammatory properties.
Overall, whey protein has the potential to be an effective supplement for reducing inflammation and improving overall health. However, more research is needed to fully understand its effects and the optimal dosage.
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Frequently asked questions
Whey protein is keto-friendly, especially whey protein isolate, which has the highest amount of pure protein and the lowest amount of carbs. Whey protein is also a complete protein, meaning it contains all nine essential amino acids.
On keto, your diet should generally consist of 70-75% fat, 20-25% protein, and 5% carbohydrates. If you exercise regularly, increase your protein intake to 25%. As a rule of thumb, you can calculate your minimum and maximum protein intake as follows: Minimum Protein (grams) = Weight x 0.6 and Maximum Protein (grams) = Weight x 1.0.
Whey protein can help maximize your gains at the gym, increase fat loss, and reduce inflammation. It is also a convenient way to increase your protein intake, which can be beneficial for those looking to build muscle mass or lose weight.