People use dietary supplements for many health conditions.
Historically, people have used herbal medicines to prevent illness, cure infection, relieve fever, and heal wounds. Herbal medicines have also been used for constipation, to ease pain, and to act as relaxants or stimulants. Research on some herbs and plant products has shown that they may have some of the same effects that conventional medicines do, while others may have no effect or may be harmful.
Researchers have found that some supplements do not help prevent certain health problems. For example, beta-carotene and vitamin E do not lower risk of heart disease or heart attack.
Not all herbs and supplements are safe. If you aren't sure about the safety of a supplement or herb, talk to your doctor, pharmacist, or dietitian.
Always tell your doctor if you are using a dietary supplement or if you're thinking about combining a supplement with your standard medical treatment. It may not be safe to stop your medical treatment and rely only on a supplement. This is even more important if you are pregnant or breastfeeding.
When using dietary supplements, keep these things in mind:
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