I'm sorry you're having trouble with the consistency of the Plenny Shake Active Chocolate. Here are a few tips that might help: use cold water, shake it vigorously for at least 10-15 seconds, and let it sit for a minute before shaking it again. If you still find the texture isn't to your liking, you might want to try blending it or using a different liquid like almond milk for a creamier texture. The flavor is designed to be subtle, but if you prefer a stronger chocolate taste, you could also try adding some unsweetened cocoa powder.
