All ingredients are natural and without artificial preservative, heat or humidity may cause the powders to become clumpy. Clumping occurs when the hygroscopic ingredients absorb moisture from air sealed in the sachet. This occurs naturally and if there are no visible breakage of the sachet and the product is within the expiry date, the product is safe for consumption.
Also, the ingredients of the fruits and vegetables are seasonal and have different mature level by time to time. For example, strawberries are seasonal fruits, and they are all normal in different color tone (dark and light) and sweet and sour flavors. It will not affect its function and utility.