Dr. Myers Paleo Protein Powders can sometimes become foamy or clumpy depending on how you are blending or mixing them.
You may also notice small variations from order to order due to small batch production.
You can read more about small-batch production by reading the below article:
Why is there sometimes a color or taste variance in your products?
Trying different blending speeds, temperatures, and layering methods with the other ingredients in your smoothie can help you find what works best for you.