A sweet treat from PEScience
If you’re searching for a protein powder that delivers exceptional taste, clean ingredients, and research-backed performance that blends whey and casein, then Chocolate Peanut Butter Cup Select Protein by PEScience deserves your attention. With its premium whey + casein blend and one of the most popular flavor profiles in sports nutrition, this protein powder strikes the perfect balance between indulgence, digestion and results all at a competitive price point of $44.99 for 27 servings!
The Chocolate Peanut Butter Cup flavor is designed for those who want dessert-level richness without sacrificing quality, gut-health, or macros. Whether you’re mixing it with water, blending it into a shake, or using it for high-protein recipes, this flavor is a standout within the PEScience Select lineup.
In this post, our team at Generation Iron is will break down PEScience Select Protein Powder Peanut Butter Cup and detail why this is the best tasting whey and casein blend on the market.
Why Chocolate Peanut Butter Cup Select Protein Stands Out
Shop a top choice of protein powder that blends casein and whey for a perfect muscle building, easy digesting option.
Whey + Casein Blend for Superior Muscle Support
The hallmark of Select Protein is its strategic combination of whey and casein. Research demonstrates that this blend outperforms 100% whey by supporting muscle protein synthesis longer and more effectively. The fast-acting whey provides immediate amino acids, while the slow-release casein keeps your body fueled for hours.
This makes Chocolate Peanut Butter Cup Select Protein ideal for:
- Post-workout recovery
- Meal replacement
- Night-time protein
- Baking and recipes
Milk Protein Isolate: The First Ingredient
PEScience sets itself apart by using milk protein isolate as its #1 ingredient, a premium and more expensive protein source that many brands avoid. Milk protein isolate naturally contains both whey and casein, making it highly effective for muscle recovery and incredibly easy on digestion.
With only 0.5g of lactose per serving, Chocolate Peanut Butter Cup Select Protein is an excellent option for individuals who struggle with bloating from traditional whey proteins and want to maximize digestion.
Elite Flavor Engineering: Chocolate + Peanut Butter Done Right
Chocolate Peanut Butter Cup is a classic combo, but PEScience takes it to another level after our taste test.
This flavor blends deep, rich cocoa with smooth, creamy peanut butter for a dessert-like shake that never tastes artificially sweet. It mixes easily and pairs perfectly with:
- Oatmeal
- Yogurt bowls
- Protein brownies
- Smoothies
- “Proffee” (protein + coffee)
For people who love chocolate and peanut butter together, this flavor delivers a natural flavor without the calories or sugar.
PEScience Select Protein is Third-Party Tested Since 2010
All PEScience supplements undergo rigorous third-party testing to ensure purity, potency, and label accuracy. This includes testing raw materials before manufacturing and testing the finished product again before it reaches consumers.
We tested three separate Select Protein tubs and can guarantee quality in every tub.
PEScience Select is a Gluten-Free Formula, Digestion-Friendly
Chocolate Peanut Butter Cup Select Protein remains one of the most stomach-friendly protein powders on the market. The reliance on milk protein isolate gives it a smooth, non-bloating profile, even for individuals who have trouble digesting dairy-based supplements.
It is also gluten-free, making it suitable for a wide range of diets.
Nutrition Facts (Per 1 Scoop / 31.5g Serving)

- Calories: 120
- Protein: 24g
- Total Fat: 1g
- Carbohydrates: 2g
- Sugars: 1g (0g added sugar)
- Cholesterol: 45mg
- Sodium: 250mg
- Calcium: 280mg (21% DV)
- Iron: 0.2mg (1% DV)
This macro breakdown makes the Chocolate Peanut Butter flavor a great fit for muscle building, low-carb dieting, and general fitness nutrition.
Ingredients
Select Protein Blend:
- Milk Protein Isolate (casein + whey)
- Whey Protein Concentrate (80%)
- Leucine Peptides
Other ingredients: natural & artificial flavors, guar gum, salt, sucralose, acesulfame potassium, soy lecithin.
Contains: Milk and soy.
Gluten-Free.
Best Use Cases for Chocolate Peanut Butter Cup Select Protein
This flavor is great for:
- Chocolate + peanut butter lovers
- Post-workout recovery shakes
- High-protein dessert recipes
- Smooth, non-chalky meal replacement shakes
- Anyone needing a digestible, low-lactose protein blend
- People seeking a protein powder that tastes like a treat without the calories
Our Verdict
The Chocolate Peanut Butter Cup Select Protein is one of PEScience’s most impressive flavors—and one of the best chocolate peanut butter protein powders on the market. The blend of whey + casein delivers superior muscle support, while the low-lactose milk protein isolate ensures excellent digestion.
The flavor is rich, smooth, and authentic, making it perfect for everyday shakes or creative protein recipes. Add the brand’s consistent third-party testing on top, and you’ve got a protein powder that’s not just delicious but trustworthy and reliable.
If you want a protein that performs as good as it tastes, Chocolate Peanut Butter Cup Select Protein is an easy recommendation.
Wrap Up
PEScience’s Chocolate Peanut Butter Cup Select Protein is a premium protein powder that combines taste, texture, quality, and science-backed nutrition. Whether you’re shaking it with water, blending it with milk, or using it in your favorite high-protein desserts, it delivers consistently impressive flavor and digestibility.
If you’re ready to upgrade your protein game with a flavor that feels like dessert but fuels like a performance supplement, Chocolate Peanut Butter Cup Select Protein is absolutely worth adding to your daily routine.
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