Innovative Pharmaceutical Technologies Maximizing Drug Therapy Previous Next Sigmapharm Laboratories, LLC, a privately held specialty pharmaceutical company, develops, manufactures and markets unique Generic and Branded products often unmatched by competitors. News & Events August 16, 2021 Sigmapharm initiates a Voluntary Recall at the Retail Level for its drug product, Sodium Phenylbutyrate Powder, 250 Grams. This recall has been initiated due to the out of-specification (OOS) impurity results obtained during routine quality testing of a stability sample for one lot of Sodium Phenylbutyrate Powder, 250 Grams. This recall is being extended to all other potentially impacted lots as mentioned in the attached Recall letters dated August 13, 2021 and September 21, 2021. July 21, 2021 Sigmapharm relaunches its generic Ultramicrosize Griseofulvin Tablets, USP 125 mg and 250 mg, exclusively under its own label. June 14, 2021 Sigmapharm relaunches its generic Amiloride Hydrochloride Tablets, USP 5 mg, exclusively under its own label. View All News Footer menu About Us Management Products Research News & Events Careers Contact Us Sigmapharm Laboratories, LLC. 3375 Progress Dr Bensalem, PA 19020 Phone: (215) 352-6655 Fax: (215) 352-6644 Footer Legal Legal Terms Privacy Policy Sitemap Copyright © 2005-2021, Sigmapharm Laboratories, LLC. All Rights Reserved.