Saw Palmetto 60 caps by Seroyal - GenestraSaw Palmetto Plus provides standardized extract with the whole, fresh herb to ensure maximum liposterolic constituents, known to be beneficial to the male reproductive system. In clinical trials, liposterols have been found to greatly reduce an enlarged prostate. Benign prostate enlargement may be due to age related changes in hormonal levels, deficiences in essential fatty acids and zinc, as well as environmental pollutants and heavy metal toxicity.