The yeast’s output of noscapine, a cough suppressant naturally made by poppies, is 18,000-fold higher than previous attempts.

At low doses, resveratrol enhanced human T-cell activity in vitro, while at high doses it interfered with cell signaling. 

The antioxidant found in red wine and some berries shows that small doses have more potent antitumor effects than large doses in a mouse model.