Private company

Leiner Health Products

Leiner Health Products was a company based in Carson, California, and was one of America's largest manufacturers of vitamins, minerals, herbal nutritional supplements, and generic medications. It was founded in 1973, and was owned by North Castle Partners, a private investment firm from Connecticut.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • Industrypharmaceutical industry1

Leiner Health Products was a company based in Carson, California, and was one of America's largest manufacturers of vitamins, minerals, herbal nutritional supplements, and generic medications. It was founded in 1973, and was owned by North Castle Partners, a private investment firm from Connecticut.2

Sources

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