Black garlic has been promoted as superior to fresh garlic or regular garlic supplements, but there appears to be no good evidence of a significant effect on improving cholesterol levels. One study suggested that it may improve certain measures of heart function in people with congestive heart failure. Many of black garlic's other purported benefits, such as anti-cancer properties and decreasing inflammation, appear to be based only on preliminary laboratory and animal studies. For details, see the ConsumerTips
section of the Garlic Supplements Review
, which includes our tests and top choices
among aged and fresh garlic powders and extracts.