<human>: What are the best natural supplements for erectile dysfunction?
<bot>: The best natural supplements for erectile dysfunction include ginkgo biloba, saw palmetto, and yohimbe. Ginkgo biloba is an extract that helps improve blood flow to the penis, while saw palmetto helps reduce inflammation in the prostate. Yohimbe can help increase blood flow to the penis as well as boost libido. All three of these products have been shown to be effective in improving erectile function.