ISOLATE 100% Whey Protein
100% Whey Protein Isolate by PEScience
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Select Protein is built on a whey + casein blend. ISOLATE Protein is the pure whey isolate version — 100% whey protein isolate, no casein, no lactose, no fillers. The same PEScience flavor quality and mixability, in a fast-digesting formula built for those who need it clean.
Ideal for anyone who is lactose-intolerant, dairy-sensitive, or simply wants the fastest-digesting, leanest protein option in the lineup.
- ✔ 25g protein per serving — from 100% whey protein isolate, nothing else
- ✔ Lactose-free — no dairy sensitivity issues, no bloating
- ✔ Fast-digesting — whey isolate absorbs quickly for post-workout muscle recovery
- ✔ Ultra-lean formula — minimal carbs and fats; fits any macro-conscious diet
- ✔ PEScience flavor quality — taste and texture unlike any other isolate on the market
- ✔ Third-party tested for purity and quality
- ✔ Available in Vanilla Cupcake & Gourmet Chocolate
- ✔ 3 sizes — 5-serving trial ($14.99), 27-serving tub ($54.99), or 54-serving 2-pack ($99.99)
New to PEScience isolate? The 5-serving size is the perfect way to try before committing to a full tub.
Pure isolate. PEScience flavor. No compromises.
- Gluten Free
- Third-Party Tested

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Masters of Flavor
When it comes to taste and texture no one can compete with what we bring to the table. Our decadent flavors combined with their smooth texture will have you not just tolerating protein powder, but craving it.
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Digestion Friendly
Whey protein isolate contains only trace amounts of lactose, making it suitable for lactose intolerant individuals and dairy sensitive consumers. Free of casein for those with a casein allergy.
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Third-Party Tested
All of our finished products and ingredients are third-party tested for purity and potency. This practice has been implemented at our company since its foundation in 2010, and is just one of many quality control measures we take every day.
Select vs ISOLATE
Which is for you?
Select Protein is the best choice for most individuals, and has a combination of both whey and casein protein which is superior to any 100% whey product for gaining muscle.
For those with known dairy sensitivities, lactose intolerance, or a casein allergy, a 100% whey protein isolate is your best choice, which is why we have ISOLATE.
Everything You Need to Know About This Product
Nutrition Facts
Quality & Purity Testing
All of our raw materials are tested for purity prior to being used in our manufacturing. After manufacturing is complete, another round of third-party testing occurs on the finished product before it is released for sale.
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