Multinutrients and plants for menComplex of multinutrients and plants. The extracts contained in the saw palmetto berry have a beneficial effect on men's health. The minerals, zinc and selenium, help protect cells from oxidative stress. Zinc helps maintain normal testosterone levels in the blood, while selenium participates in normal spermatogenesis. Of the Araceae family, saw palmetto is also called: Serenoa repens, Sabal serulata, Florida Palm, Dwarf Palm, or even Cabbage Palm. It is the small berry of this tree that is traditionally used for its richness in free fatty acids.