Long Jack Root herb improves fertility

The Malaysian herb Eurycoma longifolia Jack (Long Jack root) was supplemented to male partners of infertile or sub-fertile couples. 75 men completed the full cycle of 3 months of supplementation with 200mg of Long Jack root daily. Follow-up semen analysis in these patients showed significant improvement in all semen parameters. Sperm quality improved significantly leading to 11 spontaneous pregnancies. The study is published online ahead of print in the May 2010 issue of the journal