Trusted. Proven.
American Made.
Your U.S. OTC Contract Manufacturer Specializing in Liquid Digestives
GCP Laboratories is a U.S.-based OTC contract manufacturer specializing in liquid digestive products and private label over-the-counter pharmaceuticals. Operating from our 132,000 sq. ft. FDA-registered manufacturing facility in Gulfport, Mississippi, we support leading health and wellness brands with high-volume production of liquid digestives and antacids, powders, and tablet formulations.
Since acquiring our facility in 2010, we have expanded capacity and become a trusted manufacturing partner for private label OTC brands across the United States.
Unmatched Quality
Our vertically integrated operation ensures full control over OTC pharmaceutical manufacturing, quality assurance, sourcing, and supply chain management, including in-house production of magnesium hydroxide API. Every product we manufacture meets or exceeds FDA and cGMP standards, and our facility maintains an exceptional quality record.
A Reliable Leader
With decades of experience in OTC pharmaceutical manufacturing, GCP Laboratories partners with brands seeking a reliable U.S. contract manufacturer for private label OTC products. Our advanced manufacturing technology and experienced team allow us to deliver consistent, high-quality OTC products at scale.
