Whey Isolate / Whey Protein Isolate
Whey Protein is an animal protein that is extracted from the whey of cow’s milk and filtered. It is available as a concentrate, whey isolate or hydro-isolate. All products are differently concentrated and contain small quantities of fats, carbohydrates and lactose in different amounts.
For beginners, whey protein concentrate is mostly sufficient. But ambitious bodybuilders and strength athletes, as well as other sportsmen, rely on whey isolate or the more expensive hydro-isolate – especially before competitions, when the body should receive even less fat and carbohydrates, or in the definition phase.
Whey isolate: There’s a lot of good in it!
In addition to a high protein content, whey protein is characterized by the large number of vitamins such as vitamins B1, B2 and B6, BCAAs and amino acids such as glutamine, calcium, potassium, phosphorus and lactose.
Many bodybuilders, fighters, competitive athletes and strength athletes choose whey protein or whey isolate when they want an additional intake of proteins. You should always avoid whey protein and whey isolate if you have a food allergy. If you are allergic to any of the ingredients (please refer to the respective product), you can opt for herbal alternatives or Beef Protein instead of whey protein isolate. People with lactose intolerance can partially use whey isolate, as the lactose content is just one percent. The animal protein is of course not suitable for vegans, but it is fine for vegetarians who eat milk products.
Advantages of Whey Isolate at a glance:
- pure animal – i.e. natural – protein source
- contains amino acids, vitamins etc.
- supports muscle building
- promotes muscle maintenance and regeneration
- low fat content
- only a few carbohydrates
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Whey Protein Concentrate and Whey Isolate
Both whey protein (concentrate) and whey isolate are obtained from the whey of the milk. Whey is a by-product of cheese production. The purer and higher quality variant is whey isolate, as the protein is separated from the other ingredients by very complex filtration processes. The protein content of whey protein isolate is correspondingly high, while carbohydrates and fats are only contained to a low extent. Because of its purity, whey isolate also has a lower lactose content than whey concentrate. Whey isolate is usually absorbed by your body even faster than whey concentrate.
Whey isolate for bodybuilders and other athletes
When you’re working on your muscle, do you want to use a particularly high-quality and pure protein
source, which also contains low amounts of carbohydrates? Are you looking for a low-calorie protein supplement for your diet?
Many competitive, combat and strength athletes use whey isolate dietary supplements because they have to cover their increased protein requirements and want to deploy the positive effects in muscle building and muscle maintenance and/or during a diet. Whey isolate is easily digestible and is quickly absorbed and utilized by the human body. It is therefore regarded as a fast natural protein and is often referred to as express protein. Whey protein isolate also has a particularly high proportion of branched-chain amino acids – BCAAs – and for example glutamine. It only takes about 30 minutes for the whey isolate proteins to arrive in your blood and provide your body with the cell building blocks needed for muscle building and maintenance.
Whey isolate in the definition phase
Whey isolate can ensure that your muscles recover faster after training and that muscle building is supported effectively and in a targeted manner. Because of its high biological value (more below) whey protein – and also the purer, more highly concentrated whey isolate – is converted super fast into the body’s own protein and is almost immediately available to your body to build muscle mass. Anyone who wants to consume small quantities of carbohydrates and fat during the definition phase is most probably best served by whey isolate.
Whey isolate in the diet
You can’t reduce fat and/or turn it into muscle mass if you don’t exercise and pay attention to your diet. That much is clear! And whey isolate is unfortunately no miracle cure that melts your fat in just a few days. But it can effectively support you during a diet to reduce fat and build muscle. Anyone who supplements whey protein during their workout often has less of a goal to lose weight – meaning dropping kilograms. Instead, they want a sporty and defined figure. And this is exactly where whey isolate can be a real help!
Whey protein biological value
The biological value of proteins says something about their quality: It indicates how efficiently the proteins from food are converted into the body’s own protein. The higher the value, the better the protein is utilized and the less powder is needed. Whole egg has a biological value of 100, beef about 80 – wheat flour only about 57. With a biological value of 104, whey protein surpasses any other natural protein source.
Whey protein: time of ingestion
Before or after training, in the morning or evening: When should you take whey isolate?
How efficiently the human body converts proteins from food into muscle mass depends mainly on three factors: the type of protein, the amount of protein and the time of intake. But when is the best time to drink your whey isolate shake?
- In the morning: Your body can only store only very limited amounts of protein if at
- all. That’s why you have to consume protein all the time. After 8 hours of sleep, your reserves are usually quite depleted. To prevent your body from metabolizing its own muscle protein, but to stimulate protein synthesis, you can drink a protein shake in the morning.
- After training: Whey isolate has the greatest effect after a hard training session. For the anabolic/muscle-building processes your body needs protein, which you should ideally give it immediately after the workout. Whey isolate can also help you build new muscles. Even injured muscle fibers can be repaired faster, so your muscles recover faster and more effectively.
- Before training: Many athletes and bodybuilders consume sufficient protein during the day through normal foods and therefore do without whey protein shakes directly before training. Because a full stomach doesn’t like to train!
- Before going to bed: In order to provide your body with the proteins needed for muscle building and regeneration as well as for inhibiting the natural breakdown process of muscle protein overnight, you can also drink a whey isolate shake before going to bed. Casein – the long-term protein – is also well suited here because it is converted and utilized very slowly by the body.
Whey Protein Dosage: How much Whey Protein do I need?
According to the German Society for Nutrition, the daily protein requirement of an average adult is about 0.8 to 1 gram per kilogram of body weight. This refers to your normal weight, not your actual weight. Even during a diet, you should not assume your real weight, but always your normal weight.
If you rely on protein supplements, you should also take into account the amount of protein you consume in your daily diet when calculating your daily protein requirements! Performance, combat and strength athletes as well as very active people may have an increased need for protein, which can no longer be met by their normal diet. A daily intake of 1.3 to 1.5 grams of protein per kilogram of body weight has proven to be a good guideline for bodybuilders and athletes.
Among the protein powders whey protein isolate is already almost a classic and is often used to build muscle and support diets. The correct dosage depends on your body weight, estimated normal weight, your lifestyle and your individual training goals. The exact dosage is always best taken from the respective whey isolate product.
Buy Whey Protein
The quality of different whey isolates can vary greatly. Basically, whey isolate is more expensive than whey concentrate because it is much purer. Good and therefore often more expensive protein supplements contain larger amounts of BCAAs and amino acids (e.g. glutamine) than cheaper ones.
As with all dietary supplements, the following applies to whey isolate: the better the quality, the higher the price – but often also the effectiveness. First of all, you should consider which protein you want (whey protein, whey isolate, beef protein, multi-component protein (MKP), casein and so on) and which supports you best in your individual training goals. Of course, your budget is also
important. And then your personal taste matters. Pure whey protein tastes quite bitter and is therefore not really tasty as a pure powder. Whey protein isolate is available in different flavors, in different compositions and with other additives and ingredients. This makes whey isolate a very varied protein source.
Pay attention to your own requirements and your individual training goals! We would also be happy to advise you on the choice of the right whey isolate.
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