Choosing a protein powder starts with the protein source, because that determines how the formula fits into your routine and your goals. If your focus is lean muscle, look for a product built around quality protein ingredients rather than a one-note approach. PEScience Select Protein is formulated with Milk Protein Isolate as the first ingredient, which naturally contains both casein and whey, along with Whey Protein Concentrate 80%.
That combination matters. The formula is built around research showing whey and casein used together can support lean muscle in a way a single-source approach may not. The blend is also associated with a quick rise in protein synthesis along with a more sustained elevation in plasma leucine levels, which can be an important consideration when evaluating how a protein powder may fit into training and recovery habits.
It also helps to think about consistency. A protein powder should be easy to use regularly, fit your taste preferences, and deliver enough servings to become part of your weekly plan. With 27 servings and a Cake Pop flavor, this option is designed for repeat use. When choosing, focus on ingredient quality, the type of protein included, and whether the formula aligns with your muscle-building priorities.
PEScience Select Protein is built around a blended protein approach. Instead of relying on a single source, it combines high-quality Milk Protein Isolate with Whey Protein Concentrate 80%. Milk Protein Isolate is especially notable because it naturally provides both casein and whey in one ingredient, giving the formula a more balanced protein profile.
For shoppers evaluating benefits, that means looking beyond the front label and into how the ingredients work together. The product description highlights research behind combining whey and casein, noting a synergistic effect for building lean muscle. It also points to two key considerations many active shoppers care about: an early increase in protein synthesis and more sustained plasma leucine levels.
If you want a protein powder that emphasizes formula design, not just protein quantity, this is the kind of detail worth prioritizing. The ingredient structure is the core benefit, because it shapes how the product supports your training goals over time.
A disciplined approach to choosing protein powder starts with a short checklist. First, identify your main goal. If you want support for lean muscle, pay close attention to whether the formula uses one protein source or a blend. PEScience Select Protein is designed around a combination of whey and casein, making protein source a central part of its value.
Choosing well is less about chasing trends and more about understanding the formula. When a product clearly explains why its ingredients were selected, it becomes easier to decide whether it fits your goals. That clarity can help you shop with more confidence and build a routine you can stick with.
Big goals are built through steady choices, and finding the right protein powder is one of them. At GNC, the focus is on helping you shop with clarity through a curated selection built around purpose, quality, and trusted guidance.
PEScience Select Protein fits that mindset with a formula centered on ingredient strategy. By combining Milk Protein Isolate and Whey Protein Concentrate 80%, it gives shoppers a clear reason behind the blend and a straightforward way to support lean muscle goals.
When you are ready to choose with more intention, GNC is here to help fuel the effort behind your routine. The right formula can make daily nutrition feel more focused, more consistent, and more aligned with what you are working toward.
GET DYMATIZED®
Award-Winning, Easy-Mixing, Fast-Digesting, ISO100® Hydrolyzed 100% Whey Protein Isolate For Muscle Support.
Each serving contains 25 grams of protein from easy to mix, easy to digest, great-tasting, fast-absorbing, 100% whey protein isolate. Available in a variety of delicious, indulgent flavors, ISO100 is the perfect before-workout, after-workout, anytime protein.
THE DIFFERENCE BETWEEN HAVING GOALS & CRUSHING THEM IS ISO100.
ISO100 is simply muscle-building fuel. If your goal is gaining muscle size and strength, then ISO100 is your perfect workout partner. Loaded with muscle-building amino acids, ISO100 can support even the most serious resistance-training programs.
BENEFITS BEYOND THAT OF TYPICAL PROTEIN POWDERS.
The protein in ISO100 combination of hydrolyzed and whey protein isolates, without any fillers or added supplements. The hydrolyzed whey protein isolate has been partially broken down into smaller proteins and peptides, ensuring rapid and easy digestion for optimal absorption of muscle-building amino acids.
KNOWN WORLDWIDE FOR QUALITY, TASTE AND PURITY.
ISO100 is formulated using a cross-flow microfiltration, multi-step purification process that preserves important muscle-building protein fractions while removing excess carbohydrates, fat, lactose, and cholesterol.
REAL SCIENCE & QUALITY
Our products are formulated using the latest science. We test our products in university science. We test our products in university studies and elite training facilities. Our protein powders are manufactured at GMP Certified facilities ensuring all ingredients and final products are validated clean and safe. They are banned substance tested by informed-Choice.
Great product thanks
Worst taste ever. I had to combine with vanilla powder to be able to finish product. Will not be buying again.
Was sent the wrong flavor twice
Sent me 2 of the same flavors I didn't order.
Great product, great price ? fast delivery
Very smooth with mixing and taste profile is great as well. Super balanced protein
Great Chocolate Flavor
Tastes good
Excellent quality
Great job by Dymatize! Protein is as good as it always is, and the flavor is spot on with the fruity pebbles. It mixes well. Good with water or juice. I tried it with coffee by chance wasn't bad, but wouldn't do it again. lol