Company History

For over 20 years, InterHealth has been providing unique, quality ingredients to the nutrition industry.

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InterHealth Nutraceuticals, Inc.

Headquartered in Benicia, California (near San Francisco), the privately held company was founded in 1987 by William “Skip” Seroy, a third generation dietary supplement manufacturer whose family has been a part of the nutritional products industry since 1940.

InterHealth specializes in proprietary, value-added nutritional ingredients, including Zychrome®, LOWAT®, Super CitriMax®, ChromeMate®, L-OptiZinc®, Protykin®, ZMA®, UC-II®, OptiBerry®, Aller-7® and others. Currently, InterHealth's ingredients are incorporated in more than 600 nutritional products that are distributed in more than 30 countries around the world under such brands as Schiff Nutrition, Metabolife, NOW Foods, Solgar, Nature’s Way, Metagenics, ViSalus, Xango, SoBe Lean and FUZE Slenderize.

Punctuating the company's success is its co-branding marketing program. InterHealth creates brand names and logos for its proprietary ingredients, which help consumers and retailers identify products that contain InterHealth ingredients. Manufacturers that use InterHealth ingredients and display the ingredient logos on their finished product labels and advertising materials benefit from the brand awareness and end-user demand created by the various advertising and public relations activities InterHealth uses to promote its ingredients to consumers and retailers.

Another important component to the company's success is its product research program. InterHealth actively sponsors original independent university studies on its products, which are used to evaluate safety and efficacy, and to support its product structure/function claims. InterHealth has sponsored research on its ingredients at more than a dozen universities, which has resulted in more than 100 research presentations, publications and abstracts presented at leading scientific conferences or published in peer-reviewed scientific journals.

As a recognized industry leader, InterHealth Nutraceuticals is making significant contributions to nutritional science, as well as helping to support the quality of life for today's health-conscious consumers.

In 1987 ChromeMate® was InterHealth’s first product – a patented, highly bioavailable oxygen-coordinated niacin-bound chromium complex that helps support cardiovascular health and a healthy weight.*

In 1990, OptiZinc® was introduced. A few years later, L-OptiZinc® was introduced– a zinc mono-L-methionine sulfate offering a highly bioavailable form of zinc.  

In 1991 InterHealth brought Citrimax® to the market. At the time, ephedra was the leading weight management dietary supplement ingredient in the health food supplement market. Manufacturers and consumers were looking for an effective non-stimulant product that was backed by research showing efficacy for weight loss.* Once again, InterHealth set the standard for quality ingredients with health-supporting benefits that consumers were looking for.*

In 1997 the company launched Super Citrimax® – a unique, patented calcium/potassium-hydroxycitric acid (HCA) that is been extensively studied for its effects on weight management.*

Protykin® was brought to market in 1998 – derived from the root of Polygonum cuspidatum, Protykin may help supply antioxidant support for healthy aging.*

ZMA® was introduced to the sports nutrition market in 1999 – a non-steroidal dietary supplement ingredient clinically studied to support healthy testosterone levels and maintain muscle strength and power.*

Introduced in 2001, UC-II® – a patented collagen with undenatured type II collagen complex - helps support joint comfort, mobility and flexibility.*

In 2002, OptiBerry® was introduced – a multiple-berry extract rich in anthocyanins that provides whole-body antioxidant support in one formula.*

In 2003, Aller-7® – a patented proprietary blend of seven standardized herbal extracts clinically studied to support healthy immune and respiratory systems.*

In 2010, InterHealth introduced LOWAT® - a blend of two ingredients derived from Ayurvedic plants. LOWAT was developed for healthy weight management.*

In 2011, InterHealth introduced Zychrome® - patented chromium dinicocysteinate.

In 2011, InterHealth introduced Meratrim®  - a blend of two plant extracts clinically studied for weight management and hip and waist size management.*

InterHealth continues to search for new value-added ingredients.



*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

InterHealth Ingredients