Chocolate Scent Alone May Boost Strength Training Repetitions, Study Finds

A surprising finding suggests that the simple act of smelling chocolate before a workout could significantly boost strength training performance. Research published in Frontiers in Physiology indicates that olfactory stimulation from chocolate, particularly dark chocolate with 90% cocoa content, may lead to a notable increase in the number of repetitions performed during strength exercises. The study, conducted by a team at the University of Malaya in Malaysia, explored the relationship between scent and physical capability. Twenty-three healthy men in their early to mid-twenties, who regularly exercise and fasted for at least 10 hours before the experiment, participated in the study. They were divided into three groups, each exposed to the scent of either dark chocolate, milk chocolate (60% cocoa), or water. Following the scent exposure, participants performed a leg extension exercise. The group that smelled dark chocolate demonstrated an increase in their workout repetitions compared to the control group that smelled water.