Guardian Drug Company was founded in 1984 by Dr. Arvind Dhruv. Guardian is one of the nation's largest manufacturers of over-the-counter (OTC) pharmaceuticals. For 30 years, we have built a reputation for delivering the highest quality products, outstanding service and product innovation to the nation's leading drug store chains, mass merchandisers, supermarket chains, wholesalers and distributors. We ensure that every product meets or exceeds national brand quality which helps build customer loyalty, drives repeat sales, and enhances your business.