Leiner Health Products | 585 followers on LinkedIn. NBTY is a leading global vertically integrated manufacturer, marketer and distributor of a broad line of high-quality, value-priced nutritional supplements in the United States and throughout the world. Under a number of NBTY and third party brands, the Company offers over 22,000 products, including products marketed by the Company’s Nature's Bounty®, Vitamin World®, Puritan's Pride®, Holland & Barrett®, Rexall®, Sundown®, MET-Rx®, Worldwide Sport Nutrition®, American Health®, GNC (UK)®, DeTuinen®, LeNaturiste™, SISU®, Solgar®, Good 'n' Natural®, Home Health™, Julian Graves, and Ester-C® brands. NBTY routinely posts information that may be important to investors on its web site.