Breadcrumb Home Apple peels are good, green tomatoes even better Monday, May 5, 2014 The Daily Iowan http://cen.acs.org/articles/92/i18/Apple-PeelsGreen-Tomatoes-Even-Better.html UI scientists have shown that a natural steroidal compound derived from green tomatoes boosts the growth of human muscle cells in lab cultures and is a potent inhibitor of muscle atrophy in mice.