75g of refined #sugar (one standard sweet #drink) reduced free #testosterone in men by 25% within two hours.
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2265.2012.04486.x
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2265.2012.04486.x