"Excellence In Quality" Vacuum Dried Glandular Concentrate Dietary Supplement Ultra Enterprises - The Glandular People The thyroid gland is one of the most significant of the endocrine glands, which produces secretions that regulate many basic processes of the body. It lies in the front part of the throat along the windpipe. Reference: Medical and Health Encyclopedia, Volume 13, page 1875. Manufactured under the guidelines of GMP (Good Manufacturing Practices).