Allegiance Pharmaceutical makes pharmaceutical-grade nutritional health supplements in the USA, including formulations developed with health care providers for needs such as nerve health and iron deficiency. Its products are made in FDA-regulated facilities that follow strict GMP guidelines, with testing and clear nutritional labeling intended to support potency, stability, and purity.
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FDA-Registered Manufacturing Facilities
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USP Grade
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Allegiant HealthCreated in 2014 as an independent spinout from A&Z Pharmaceutical, Allegiant Health manufactures over-the-counter pharmaceuticals and nutritional supplements at its FDA-registered, cGMP facility in Deer Park, New York. The company also serves as a private-label and contract manufacturing partner, with more than 200 products and international distribution supporting its HealthA2Z® brand and customer programs. Allegiant’s quality systems earned a perfect UL management-system certification score for six consecutive years through 2026, and its 2025 FDA CDER inspection found zero observations.DEER PARK, NY
BioCorp Nutrition LabsBioCorp Nutrition Labs brings supplement brands from formulation through nutraceutical manufacturing, packaging, documentation, and fulfillment in one coordinated U.S.-based operation. Its distinctive approach is to connect format selection and production planning with label coordination and finished-goods movement, reducing handoffs between concept and customer. The company describes its facility as FDA registered and cGMP compliant, with those credentials subject to verification for the applicable scope.MELVILLE, NY
Dr. WellMe Nutritions IncDr. WellMe Nutritions Inc. develops and sells Made-in-USA vitamins, supplements and nootropics for everyday wellness, including targeted formulas such as its PregWell prenatal and Probiolise probiotic capsules. Based in Congers, New York, the company says its products are manufactured at GMP-approved sites, with every batch tested by its quality-control team for purity and quality. Its range is organized around health needs from bone and brain support to pediatric and men’s wellness, and the company also highlights experience with international market documentation and export.NY 10920, NY
Alaska Spring PharmaceuticalsBased in Westbury, New York, Alaska Spring Pharmaceuticals is a U.S. supplement manufacturer serving brands that need a product developed and brought to market under their own label. Its 60,000-square-foot facility operates as an FDA-registered, GMP-certified production site, with quality documentation and third-party testing available to customers.WESTBURY, NY