"Custom" Manufacturing
25 years in business...

At Sentry we specialize in "customizing" our manufacturing of nutritional supplements to your specific requirements. We can duplicate an existing product - from formulation to precise matching of appearance, or we can start with a general conception.


Sentry Laboratory is a key part of our comprehensive Quality Control Program. Our in-house, state-of-the-art laboratory is an essential component integral to our manufacturing of superior dietary supplements.

Welcome to Sentry


As a subsidiary of ITO EN, Japan, Sentry Manufacturing is one of the premier cGMP certified dietary supplement manufacturers in the United States. Specializing in innovative formulas to guarantee your success.

Why Sentry?

Sentry is dedicated to ensuring your products are manufactured to un-compromised quality. Our Quality Control and Quality Assurance departments are staffed with experts who are dedicated to implementing our rigorous standards in our state of the art laboratory and 150,000 square foot manufacturing facility.



Company Video

Take a virtual tour of our facility and see how a product is made from start to finish.

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