Optimum Nutrition Gold Standard 100% Whey

Chocolate Peanut Butter

The flavor that makes grown adults stop mid-shake, stare at their cup, and whisper

"Where has this been my whole life?"

Reviewers don't describe it as a protein shake. They describe it as "Reese's Puffs milk." As a "liquid peanut butter cup." As "the only flavor I'll ever buy again."

And once you taste it you'll understand every single word.

THIS IS WHAT PERFECTION TASTES LIKE

Rich, deep chocolate hits first. Bold, salty, creamy peanut butter follows immediately real peanut butter flavor, not the watered-down afterthought most brands call "peanut butter."

Then they collide.

And your taste buds never recover.

It's indulgent without being overwhelming. Sweet without being cloying. Bold without being fake. The kind of flavor that makes you genuinely excited to finish your workout because you know exactly what's waiting in that shaker.

Mix it with cold milk and you've got a peanut butter cup milkshake that just happens to be loading your muscles with premium protein.

Mix it with water and it still hits like dessert.

Either way you win.

THE GAINS HIDING INSIDE EVERY SCOOP

The flavor earns your attention. The formula earns your loyalty.

24g of Premium Whey Protein

Whey isolate as the primary source the fastest-absorbing, highest-quality protein available. Pure muscle fuel, zero compromise.

 5.5g of Naturally Occurring BCAAs

Leucine, isoleucine, valine the recovery powerhouses your muscles are demanding the second you rack the weight. Already in there. Already working.

~130 Calories Per Scoop

All the satisfaction of a peanut butter cup. None of the guilt of actually eating one. This is how you satisfy every craving and still hit every macro.

 Mixes Perfectly. Every Time.

One scoop. A shaker. Ten seconds. A completely smooth, lump-free, dessert-level shake ready to go. No blender. No mess. No excuses.

… Third-Party Tested. Informed Sport Certified.

Banned substance free. Because the formula is as clean as the taste is incredible.

THE FLAVOR COMBINATION THAT NEVER FAILS

Chocolate and peanut butter isn't just a good idea.

It's the greatest flavor pairing ever discovered by humanity.

Cultures change. Trends come and go. Diets rise and fall.

Chocolate peanut butter is eternal.

And Optimum Nutrition the brand that's been #1 in the world for 30+ years took that eternal combination and engineered it into the cleanest, most powerful, best-tasting protein shake on the market.

This isn't a flavor that needs an occasion. This is a flavor that creates one.

Bad workout? Chocolate peanut butter fixes it. Great workout? Chocolate peanut butter celebrates it. Long day? Chocolate peanut butter ends it perfectly.

Every day is a Chocolate Peanut Butter day.