The multi-year sponsorship is the first for the NFL with pharmaceutical companies.
The sponsorship with Bayer and GSK includes exclusive rights in the men's health category.
Said John Collins, NFL senior vice president of marketing and sales: "We are pleased to welcome Bayer and GSK to our prestigious roster of corporate sponsors.
"The NFL is taking an ambitious step in entering the men's health category. We look forward to working with Bayer and GSK to educate our fans about important health issues."
