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NutraBio 100% Whey Protein Isolate is scientifically designed to provide 25 grams of clean, pure protein derived solely from 100% Whey Protein Isolate, which research has shown to ignite muscle protein synthesis, promote optimal nitrogen retention, and accelerate muscle growth and repair. Our Whey Protein Isolate contains no whey concentrate or other inferior proteins and no amino spiking, added carbs, maltodextrin, dextrose, creamers, or any other fillers; just pure cross-flow ultra-filtered, non-denatured whey.
NutraBio 100% Whey Protein Isolate was the first product we launched when we opened our doors 20 years ago and from day one, we have never hidden cheap ingredients in deceptive proprietary blends. Our labels are simple, honest, and disclose every single ingredient along with its exact dosage. Our label doesn't state "100% Whey," it states "100% Whey Protein Isolate" so you know you are getting absolutely nothing (except a small amount of flavoring) but whey protein ISOLATE, the highest quality, cleanest, and fastest digesting protein available, proven to help you build muscle, recover faster, and train stronger.
No other macronutrient is more essential to muscle growth and recovery than protein. Research shows that active individuals need 1.5-2.2 grams of protein per kilogram of bodyweight daily for optimal nitrogen balance and to promote muscle growth/recovery. This amount is often difficult to meet through a balanced diet, which is why individuals often turn to whey supplementation to support their protein requirements. However, not all whey proteins are created equal. In a market saturated with hundreds of whey proteins, it is hard to know that what you see on the label is what you are actually getting. Many companies use confusing labels and deceptive claims to hide lower quality proteins and cheap ingredients. Therefore, full label disclosure, quality, digestion rate, and preparation method should all be considered before selecting a whey protein.
The most common forms of whey are whey protein isolate and whey protein concentrate. Whey protein isolates digest and absorb rapidly and are, gram for gram, the purest form of protein available (90% pure protein). This level of purity is achieved through a cold cross-flow micro- and ultra-filtration process that removes the larger, less-absorbable protein molecules while also filtering out fat, lactose, and ash that can be present in whey concentrates and substandard protein powders. Furthermore, this process does not denature the valuable proteins and peptides in whey, so the protein itself is of a higher quality.
Studies suggest the ingestion of fast-acting protein sources, such as whey isolates, can increase amino acid levels in systemic circulation and stimulate robust increases in protein synthesis, arguably the most important physiological factor in existence when it comes to muscle growth, strength, and recovery. What's more, since whey protein isolates are generally low in carbs, lactose free, fat free, cholesterol free, and gluten free, it makes it the perfect choice for low-carb dieters, lactose intolerant individuals, or athletes who want to get ripped while packing on muscle. Simply put, isolates are the king of the whey protein jungle.
On the other hand, whey concentrates contain less protein on a gram for gram basis. The process used to create whey concentrates does not go through as many fine filtration steps, resulting in a product that can be anywhere from 25-80% pure protein. Furthermore, whey concentrates, due to the filtration process used, contain higher amounts of fat, cholesterol, and lactose, the last of which may cause gastrointestinal distress and bloating in some individuals.
When taking a product containing whey concentrate, it may be a guessing game as to how much pure protein you are getting per serving. Look closely at the label—unless it says whey protein concentrate 80 (WPC 80), you may be getting a lower quality protein, cheating you of the muscle building and recovery benefits of a higher quality protein. Unfortunately, using lower quality whey concentrates in a protein powder is a common tactic used by unscrupulous supplement companies in order to pad their bottom lines at your expense. The label may still proclaim 100% whey, but the quality of that whey may be as little as 25% pure protein. In summary, whey concentrates are a lower quality and cheaper grade protein compared to whey isolates, and it is best to avoid using products that contain a whey concentrate where the purity is unknown.