GSN has capacity. We are one of the largest custom contract manufacturers of nutritional supplements in the United States. Our advanced 250,000 sq. ft. manufacturing and packaging facility produces more than 500 million doses per month.

GSN is reliable, stable and dependable. Under continuous family management since 1977, we place high value on our well-deserved reputation as a trusted industry leader. Our expert and dedicated management team has an impressive average of more than 25 years of broad industry experience.

GSN has hundreds of satisfied customers. We develop and manufacture cost-effective, market-leading products in every distribution channel, including health and natural food stores, mass merchandisers, network marketing and direct selling, television shopping, drug chain and direct response TV and radio.

GSN is more than just manufacturing services. We can offer our customers complete turnkey solutions, including product concepts, formulations, laboratory services, package and label design, regulatory compliance and assistance in marketing and merchandising.

GSN is innovative. Our globally-sourced ingredients, patented technologies and advanced delivery systems will add value and efficacy to your products.

GSN offers expert formulation. In addition to our own highly skilled Product Development group, we also maintain a Scientific Advisory Board to help avail our clients of the latest developments and technical innovations. This multidisciplinary team includes leading research scientists, molecular biologists, physicians, pharmacists, clinical nutritionists, herbalists, food technologists, and sports physiologists.

GSN is versatile. We produce a wide range of tablets, caplets, chewables, capsules (including vegetarian capsules), effervescents and powders.

GSN is flexible. Our modern, high-speed and custom-scalable process equipment can deftly handle both large and small production runs. We can give your product eye appeal with a full range of in-house packaging options including bottles, blisters, pouches, packets, canisters, jars, and kits.

GSN is recognized for outstanding quality. Our FDA-inspected facility operates under strict Good Manufacturing Practices (GMP). We are proud to have earned the coveted NNFA GMP "A" Rating. Our kosher-approved facilities have been audited and approved by leading independent bodies as well.

GSN quality is engineered into every product. From raw material analysis to final product inspection, every production step is carefully monitored and documented, with full accountability and in-process controls. Our Technical Services, Analytical, Quality Control and Quality Assurance groups can offer you a level of scientific support unmatched in the industry.

GSN provides valuable information. Besides having a comprehensive in-house technical library with the latest reference materials, our trained Information Services staff acccesses over 200 databases in major scientific and clinical fields. Our Information Services team can provide you with the backing you need for your structure/function claims, marketing and promotional materials.

GSN has an international reputation, supplying dietary supplements to more than 35 countries around the world. Our experienced Regulatory Affairs group works with our customers and regional health authorities to ensure compliance with the documentation requirements of each country.

GSN is responsive to your needs. As a truly full-service manufacturer, we give fair and equal attention to clients both large and small. Our dedicated Customer Service professionals will efficiently accommodate your requests in a timely and friendly manner. In emergencies, our high capacity allows us to react and respond with great agility. Whether you have a tight deadline or a suddenly accelerated requirement for product, we will make it our business to keep you in business.