Solaray - Prostate Blend SP-16 - 100 Vegetarian Capsules Solaray Prostate Blend SP-16 capsules contain saw palmetto-pumpkin seeds with homeopathic nutrients.About Solaray True Tradition. A Natural Passion for 35 Years Solaray began in 1973 as a pioneer in formulating and marketing blended herbal products with complementary effects. From its inception Solaray focused on encapsulated products which offer rapid disintegration and are easy to swallow. By 1984 Solaray became a full line manufacturer carrying not only the highest quality herbs but also a full line of vitamins minerals and specialty products.