Puncture Vine

How does Tribulus work?

Tribulus has chemicals that might increase some hormones in animals. However, it doesn't appear to increase male hormones (testosterone) in humans.

Are there safety concerns?

Tribulus supplements are POSSIBLY SAFE for most people when taken by mouth for a short period of time. They have been used safely in research studies lasting up to 8 weeks. The long-term safety of tribulus is unknown.

Eat the spine-covered fruit of tribulus is LIKELY UNSAFE. There has been a report of a serious lung problem linked to eating the fruit.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Taking tribulus during pregnancy is POSSIBLY UNSAFE. Animal research suggests that tribulus might harm fetal development. Not enough is known about the safety of using tribulus during breast-feeding. It's best not to use tribulus if you are pregnant or nursing.

Prostate problems or prostate cancer: There is a concern that tribulus might make prostate conditions such as benign prostate hypertrophy (BPH) or prostate cancer worse. Developing research suggests that tribulus can increase prostate weight.

Diabetes. Tribulus might decrease blood sugar levels. Dose of diabetes medications might need to be adjusted by your healthcare provider.

Surgery: Tribulus might affect blood sugar levels. This might interfere with blood sugar control during and after surgery. Stop using tribulus at least 2 weeks before a scheduled surgery.


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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.


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