antioxidant effects and help relax blood vessels. They might also cause muscles to contract or relax, depending on the dose and the muscle involved. This is the theory behind red raspberry's use in easing labor and delivery.
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No side effects from taking red raspberry have been reported.
Special Precautions & Warnings:Pregnancy and breast-feeding: It's LIKELY SAFE to eat red raspberry in food amounts during pregnancy. Red raspberry leaf is POSSIBLY SAFE for use in medicinal amounts during late pregnancy, but only under the direct supervision of a healthcare provider. Red raspberry leaf is commonly used by nurse midwives to ease delivery. Don't take it on your own. The concern is that red raspberry might act like the hormone estrogen, and this might harm the pregnancy.
Not enough is known about the safety of taking red raspberry during breast-feeding. It's best to stay on the safe side and avoid use.
Hormone-sensitive conditions such as breast cancer, uterine cancer, ovarian cancer, endometriosis, or uterine fibroids: Red raspberry might act like estrogen. If you have any condition that might be made worse by exposure to estrogen, don't use red raspberry.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.