Optimum Nutrition Gold Standard 100% 乳清蛋白粉組合包，雙倍濃郁巧克力口味，10份，0.68磅（1包）+ Optimum Nutrition搖搖杯，28盎司，1入

Really happy with the shaker cup—the mixing mechanism works perfectly and never leaves lumps. The chocolate flavor is just right, not too sweet.

Blended up a scoop with some milk in the included shaker and was surprised how smooth it came out—no clumps at all, just rich chocolate flavor without being too thick. Perfect for a quick post-workout drink that actually tastes good.

Used the shaker cup’s built-in mixing grid for a couple days now, and even without a blender ball it leaves very few clumps. The double rich chocolate flavor is decently sweet but not overbearing—perfect for a quick post-workout shake.