Herbs, namely tongkat and tribulus. Make sure you get good quality - costs more money but worth it.
Acute exposure to ultraviolet-B radiation modulates sex steroid hormones and...
Using the Xiphophorus fish melanoma model we show a strong male bias for cutaneous malignant melanoma, consistent with that seen in the human population. To examine underlying factors, we exposed adult X. couchianus fish to a single, sub-lethal dose...