New Chapter's Prostate 5LX formulation represents a scientific breakthrough in herbal 5-lipoxygenase (5-LO) modulation and prostate health. Scientific studies, including one published in the Proceedings of the National Academy of Sciences, suggest that modulating an enzyme known as 5-lipoxygenase may be an effective way to promote normal cell activity and vitality in the prostate gland, and thus significantly support prostate health.