Garlic as an over the counter antibiotic?

It has been said that garlic is one of the most powerful, natural, over the counter antibiotics. Proven to prevent and relieve blood clots, garlic is also known to aid heart and respiratory functions substantially. There are odorless supplements, usually 10mg each, of garlic that can be taken as dietary supplements in addition. Apart from seasoning some foods garlic can be a daily health incentive.