Through the progression of time, pharmaceutical products exceed their expiry date and turn — from an economic point of view — into waste. However, the active compounds are still effective, questioning the relevance of the expiration date.

The main ingredient of Aspirin, acetylsalicylate acid, in brief ASA, is extracted from the white willow tree bark. It boosts up a plant’s metabolism, accelerates its growth and strengthens its immune system. Thus, in our future habitat, pills that normally are declared as waste can be given a new purpose by reusing them as fertilizer.