Ever seen smelling salts used on the air? Well, the cast of "First Things First" did so on Thursday, and George Kittle approves.

Are smelling salts being banned by the NFL? Here's what Kittle shared about the news, and why players have used them in the past.

Ammonia and smelling salts have long been used by NFL players before and during games to give them an extra pick-me-up whenever they need a boost of energy. This includes any form of smelling salts and ammonia capsules or inhalers.