Private company

Cypress Systems

Logo: https://www.linkedin.com/company/cypressminerals/, Non-free logo, via Wikipedia3

Biotech company headquartered in Madera, California

Cypress Systems, Inc. is a biotech company headquartered in Madera, California and is best known for its research, in collaboration with the National Cancer Institute (NCI), regarding the use of selenium supplementation for the prevention of a variety of cancers. Cypress Systems, Inc. also manufactures selenium, zinc, and chromium for the nutraceutical industry. In 1983, the now-deceased Larry C. Clark conducted a Nutritional Prevention of Cancer (NPC) study.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Cypress Systems, Inc. is a biotech company headquartered in Madera, California and is best known for its research, in collaboration with the National Cancer Institute (NCI), regarding the use of selenium supplementation for the prevention of a variety of cancers. Cypress Systems, Inc. also manufactures selenium, zinc, and chromium for the nutraceutical industry.2

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