Iso-Smooth™ GRASS FED WHEY ISOLATE PROTEIN SHAKE




















Iso-Smooth™ GRASS FED WHEY ISOLATE PROTEIN SHAKE
With 30 grams of protein per serving, it’s hard to believe a shake virtually free of sugar, fat, and lactose can mix this easy and taste this great.
- 3RD PARTY LAB TESTED
- PhD FORMULATED
Discover Iso-Smooth™
- 0GADDED SUGAR
- 100% GRASS-FED WHEY ISOLATE
- 30gPROTEIN PER SERVING
Loved by our Athletes

Steve Nesrallah

Christina Hardway

Maya Nowakowski

Jonni Shreve

Steve Nesrallah

Christina Hardway

Maya Nowakowski

Jonni Shreve
Most protein powders are either good for you or great-tasting. Iso-Smooth™ is both.

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Fast Absorbing Rapid digestion and absorption help maximize muscle protein synthesis —when it matters most.*
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Virtually Lactose-Free, Low Fat, Low Carb Only the good stuff—no bloat, no stomach issues, no fillers. Made for everyday use and easy digestion.*
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Grass-Fed Whey Isolate Iso-Smooth is made only with whey isolate protein sourced from grass-fed, grass-finished, and hormone-free American dairy cattle.

What’s Inside
Every Blue Star Nutraceuticals® formula starts with one question: What does it take to get real results? That’s why every ingredient inside—every dose, every compound—is carefully selected, precisely measured, and backed by science. Developed by PhDs. Trusted by athletes. Built to work.
AT A GLANCE
Combat
Muscle Loss*
Slow Recovery*
Protein Deficiency*
Digestive Discomfort*
Poor Taste*
Low Protein Purity*
What Iso-Smooth™ Does For You
Iso-Smooth™ isn’t just another protein powder—it’s a high-performance fuel source designed to optimize recovery, growth, and training results. With ultra-clean ingredients, fast absorption, and exceptional taste, it’s built to support your goals—every scoop, every day.*

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Build & Repair Muscle Supports muscle growth and post-training recovery with fast-digesting, high-leucine whey protein isolate.*
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Stay Lean Low in carbs, fat, and calories—Iso-Smooth™ fuels lean muscle gains without adding bulk where you don’t want it.*
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Digest Clean Virtually lactose-free and highly filtered to remove impurities that cause bloating or discomfort.
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Enjoy It Every Time Engineered for unbeatable taste and texture—so you actually look forward to drinking your protein.*

Science of Iso-Smooth™
Iso-Smooth™ is a single-source whey protein isolate, selected for purity, absorption, and amino acid profile. Every scoop is built around one purpose: delivering ultra-clean, high-performance protein. It’s formulated with precision, tested for purity, and refined for taste. That’s why we publish a full scientific whitepaper—so you can see exactly what’s inside, and why it works. If we know it, you should too.
- 3rd Party Lab Tested
- PhD Formulated
- Science Backed Ingredients
The Science Behind Iso-Smooth™
59% Higher EAA Percentage


115% Greater Biological Value


THE DETAILS
When You’re This Clean They Call You Iso-Smooth™
Most protein powders cut corners on purity, flavor, or digestion. Not here. Iso-Smooth™ delivers 100% whey isolate with virtually no lactose and no fillers. Just clean, powerful protein—designed to fuel serious progress. It’s not just smooth. It’s Iso-Smooth™.
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- High in Protein
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- Low in Sugar
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- 3rd Party Lab Tested
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- Hormone-Free Whey Isolate
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- Tastes Delicious
How Iso-Smooth Works
Protein is essential—but quality matters. Iso-Smooth™ is designed for rapid absorption, high amino acid delivery, and easy digestion—supporting faster recovery, better growth, and more consistent results.*

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01 Rapid Digestion Absorbs quickly to deliver amino acids to muscle when your body needs them most—especially post-workout.*
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02 Clean Recovery Helps rebuild torn muscle fibers and reduce breakdown after training.*
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03 Daily Muscle Support Delivers essential amino acids and BCAAs to help preserve lean muscle mass between workouts.*
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04 No Compromise Virtually lactose-free, low-carb, and delicious—so you don’t have to choose between taste, comfort, and performance.*

Iso-Smooth™ FAQs
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*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
VERIFIED
User Reviews
4.90