Smelling Chocolate Boosts Exercise Performance in Men

Topic: Health

A new study found that men who smelled chocolate before and during exercise could do more reps without feeling tired. The smell of dark chocolate was especially effective. This discovery could help athletes perform better.

Researchers at the University of Malaya conducted a study to see if smelling chocolate would improve exercise performance in men. They recruited 23 healthy men who were moderately trained and divided them into three groups. Each group smelled one of three things: dark chocolate, milk chocolate, or water.

The participants had not eaten for at least 10 hours before exercising. They then did leg extensions, a type of exercise where you lift weights with your legs. The researchers measured how many reps each participant could do and how they felt during the exercise.

The study found that smelling dark chocolate helped men do more reps without feeling tired. In fact, it increased their performance by 18 reps compared to the control group. Milk chocolate also had a positive effect, but not as strong as dark chocolate. The researchers think that this is because people associate dark chocolate with being full and satisfied, which helps them feel less hungry during exercise.

The study's lead author, Dr. Mohamed Nashrudin bin Naharudin, said that the findings are 'fascinating' and could have implications for athletes who need to perform well without feeling tired.

Why It Matters

This discovery is important because it shows how our brains can be tricked into feeling less hungry during exercise. This could help athletes perform better in sports like football, cricket, or tennis, where endurance is key.

Key Facts

• 23 healthy men were recruited for the study and divided into three groups.
• Each group smelled one of three things: dark chocolate, milk chocolate, or water.
• Smelling dark chocolate increased exercise performance by 18 reps compared to the control group.
• The study's lead author is Dr. Mohamed Nashrudin bin Naharudin from the University of Malaya.
• The study was published in Frontiers in Physiology in July 2026.

Key Terms

olfaction

the sense of smell

psychobiological

relating to both psychology and biology

Implications

This discovery is important because it shows how our brains can be tricked into feeling less hungry during exercise. This could help athletes perform better in sports like football, cricket, or tennis, where endurance is key.