Some other dietary supplements claim to be beneficial to heart health. For example, studies have shown that garlic can lower cholesterol up to 9 percent and may prevent platelets from sticking and block arteries. You may need to take large quantities to achieve this, however, may increase your risk of bleeding if taken anticoagulant medications like warfarin. The herb hawthorn is also mentioned as beneficial for improving heart function. An important point to remember, however, is that there is little scientific evidence on the usefulness or safety of many herbal supplements and alternative. 
The herbs, vitamins and minerals are considered dietary supplements by the Food and Drug Administration (FDA). Their formulas and packaging are very similar to each other.
Clinical studies have shown that some herbal supplements are safe and effective. Research has also ruled out other herbs that are considered hazardous.
A growing number of doctors are working to better understand herbal therapies to help you make decisions with good information about health care.
A recent study found that most people who choose herbal therapy rely on family and friends mainly for information. But if you choose herbal therapy, be sure to talk with your doctor first. Also, remember that in addition to supplements, there is nothing better than a healthy lifestyle.