optimumnutrition

Old School Labs Protein Powder Isolate Sourced from Egg, Milk,& Beef - Made for Men & Women for Building Muscle & Post-Workout Recovery - Zero Sugar,

Old School Labs Protein Powder Isolate Sourced from Egg, Milk,& Beef - Made for - Main image
$16.50 $54.99 In stock

Category: POWDERS

Old School Labs Protein Powder Isolate Sourced from Egg, Milk,& Beef - Made for Men & Women for Building Muscle & Post-Workout Recovery - Zero Sugar, Rich Chocolate Flavor - 30 Servings - POWDERS - Sold by optimumnutrition. Free US shipping, 30-day return policy. Quality products you can trust.

Customer Reviews (4.7 / 5 · 22 reviews)

Natalie E. ★★★★★

I've been through a few protein powders that left me bloated, but this one digests cleanly with zero issues. The fact there's no sugar is a huge plus for my cutting phase, and each scoop dissolves quickly in my shaker with just water.

Kevin ★★★★★

I’ve tried a lot of protein powders that leave a weird aftertaste, but this one mixes up silky smooth in cold water with no clumps and that rich chocolate flavor actually tastes like a treat—zero sugar is a huge bonus for cutting.

Joseph ★★★★★

This is the first protein powder I've tried that actually mixes with just a fork and no clumps. The rich chocolate taste really covers up any funky flavor from the beef protein, and I feel full for hours after a shake.

Julian N. ★★★★★

Finally, a protein powder that doesn't taste like cardboard. I mix it with almond milk and the rich chocolate flavor actually satisfies my sweet tooth without any sugar. It dissolves perfectly in my shaker with no clumps.

Henry W. ★★★★★

The beef isolate gives this a surprisingly rich flavor that mixes smoothly in cold water without clumps. I'm impressed there's zero sugar but it still tastes like a real chocolate shake. My recovery feels noticeably faster since switching to this blend.

Daniel D. ★★★★★

I’ve been using this protein powder for a few weeks now and it mixes incredibly smooth with just water—no clumps at all. The fact that it has zero sugar and still tastes rich is a huge win for my post-workout routine. Really impressed with how clean the ingredients are.

Harper R. ★★★★★

I was skeptical about a protein blend from three sources, but the rich chocolate flavor actually tastes like a treat, not a chalky mess. It dissolves easily in my shaker bottle with just water, and I noticed less bloating afterward.

Zoe X. ★★★★★

The chocolate flavor is genuinely rich, not artificially sweet, and mixes effortlessly with just a fork in cold water. I’ve noticed my recovery feels noticeably faster after lifting, and the zero sugar is a huge plus for my macros.

Olivia ★★★★★

Blended this into my morning shake and was surprised it didn't clump up like other powders. The chocolate flavor actually tastes like real cocoa, and I feel noticeably less sore the day after a heavy lift session.

Chloe ★★★★★

Used this post-workout and the rich chocolate flavor actually tastes like real chocolate, not that fake sweetener taste. Mixed perfectly in my shaker with no clumps, and I appreciate that there’s zero sugar and it’s sourced from multiple proteins. Definitely helping with recovery without the bloat.