Athletes at the first Olympics in ancient Greece ate garlic to enhance performance, and both Greek and Roman soldiers believed it boosted strength and courage, Newsmax Health reports.

Supplements are a simple odorless alternative. One particular type of supplement — aged garlic extract. Made from organically grown garlic and aged without the use of heat, it’s odorless and proven to help the heart, improve resistance to colds, reduce damage to blood, and reduce risk for colorectal cancers and Alzheimer’s disease.

A widely recommended dosage is 1,200 mg a day. Many experts believe it is best to take garlic in two or three doses with meals spread out through the day.

Studies have shown that aged garlic supplements improve crucial markers for good health.