A man sweating and holding a packet of LMNT with the text 'YOU NEED SALT.'

The video opens with a close-up of a man, sweating and holding a packet of LMNT electrolyte drink mix, with the text 'YOU NEED SALT.' appearing on screen. He then drinks from a water bottle. The scene shifts to him on a rowing machine, then performing a squat with a large medicine ball. He is identified as Dr. Kelly Starrett, a physical therapist and author. The video then shows historical footage of a football game, with text indicating that salt tabs were given to athletes even in the 1950s. Subsequent scenes show a cyclist, a weightlifter, and a woman holding a championship trophy, all implying improved performance. The video concludes with shots of LMNT products in a refrigerator and being opened, and a runner with an LMNT water bottle, emphasizing the benefits of improving salt intake.