Trusted. Proven.
American Made.
GCP Laboratories is the leading U.S. manufacturer of liquid antacids, proudly operating out of our 132,000 sq. ft. FDA-registered facility in Gulfport, Mississippi. Since acquiring the plant in 2010, we’ve doubled production and become a preferred partner for major private label brands across the country.
Unmatched Quality
Our vertically integrated operation ensures full control over quality, sourcing, and supply chain — including in-house production of magnesium hydroxide API. Every product we manufacture meets or exceeds cGMP standards, and we’ve never had a single product recall.
A Reliable Leader
With deep expertise, cutting-edge technology, and a commitment to American manufacturing, GCP delivers superior over-the-counter health products with speed, precision, and reliability.