Supplements for Cholesterol: What Works?
What it is: A member of the onion family that is available as an oil, extract, or pill.
The evidence: In 2000, the federal Agency for Healthcare Research and Quality reported that garlic caused a small but measurable drop in both LDL and total cholesterol, but only in the short term (three months). Subsequent research hasn’t been as encouraging. A 2007 study in the Archives of Internal Medicine found that taking raw garlic or garlic supplements over a six-month period did not cause a measurable effect on total cholesterol, LDL, HDL, or triglyceride levels.
The bottom line: Though garlic may help lower LDL temporarily, its ability to meaningfully affect cholesterol levels is questionable.
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