DESC: oats (Avena sativa) have been valued for their nourishing and strengthening qualities, and as a tonic for men's health. Planetary Formulas Avena Sativa Oat Complex for Men combines highly concentrated oat and nettle root extracts with whole saw palmetto berries. These are combined with some of the most respected Western and Chinese tonics for men, including damiana and ginseng, to support a healthy prostate and reproductive system.