* The medication-free way to do that is by doing regular exercise (like half an hour of brisk walking, at least five days per week), maintaining a healthy weight, and eating right.
References:
Article MediterrAsian Diet Products That Could Raise HDL-Cholesterol...
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HDL levels are sometimes improved by drugs used to lower LDL and triglyceride levels — such as prescription niacin; fibrates such as gemfibrozil (Lopid); and certain statins, particularly simvastatin (Zocor) and rosuvastatin (Crestor).
But clinical trials for several drugs specifically designed to increase HDL levels were halted early because they didn't reduce the risk of heart attacks.
Drugs containing testosterone and other anabolic steroids can lower your HDL cholesterol levels. Avoiding these drugs may help increase your HDL numbers.