Regulation of dietary supplements should focus less on whether vitamins, minerals, and herbal extracts actually do what advocates claim and more on whether they are safe to take, a public health expert and former regulator says. The market for dietary supplements is riddled with unsafe products that may be spiked with pharmaceuticals, poorly manufactured, or… Read more

A new study links taking muscle-building supplements, such as pills and powders with creatine or androstenedione, with an increased risk of testicular cancer. Moreover, says study senior author Tongzhang Zheng, the associated testicular germ cell cancer risk was especially high among men who started using supplements before age 25, those who used multiple supplements, and… Read more