Ultra Raw Prostate is a glandular extract to support the prostate, a male reproductive gland that secretes a fluid that is a constituent of seminal fluid, which helps keep sperm healthy. All Prostate Raw Prostate Glandular Concentrate. Whole raw tissue concentrated from bovine sources specially processed (freeze-dried) at or below 5 o C to preserve natural occurring vitamins, enzymes, nucleotides, lipoproteins and other cellular components. Raw tissue concentrates are made from toxin-free lyophilized glands imported from animals grazed on rangeland free of pesticides, growth hormones, antibiotics or chemical additives. Predictable sustained release formulation ensures maximum intestinal availability.