US-Based Biosimilar Supply Chain Redundancy for Commercial Distributors
Partner with usEffective Q1 2027, our company, formerly known as Zeptide Pharma (and operating under the name Tirzepatide Pharma) will officially rebrand as MayMag Biologics.
Large Scale 506e Biologics Manufacturer
What is an interchangeable biosimilar?
It allows a similar medication to be substituted for its brand-name original right at the pharmacy counter without needing permission from the prescribing doctor
MayMag-Generic Manufacturer of Sterile Injectable biosimilar biologics WFI, Epinephrine Pens, and Rheumatoid Auto Injectors
Contact us to validate our FDA credentials
We're not a retail 503b compounding pharma for hospitals and clinics. We are a 506(e) specializing in large-scale manufacturing of generics drugs and biosimilar biologics for FDA-shortlisted drugs
Contact us to validate our FDA credentials
What sets us apart
- We are local, based in the United States, with drug quality controlled and monitored.
- We have the scale, facility redundancy, and device supply chain to meet 100% of your market demand without a single day of backorder, with multiple FDA-compliant, GMP-certified facilities for both the active drug substance and the 'fill-finish' final step.
- We understand how to handle the stability requirements of large batches, from formulation through transportation, without risking product degradation
- MayMag maintains device continuity assurance with in-house 510k auto device pen manufacturing, clean FDA Form 483 records, and zero warning letters
About MayMag Biologics
MayMag Biologics (Formerly Zeptide Pharma/Tirzepatide Pharma)
MayMag Biologics, previously known as Tirzepatide Pharma, is one of the leading 506e industrial CDMO pharmaceutical companies and ranks as the No. 5 top insulin pen manufacturer in the USA. We specialize in the production of insulin injectors, positioning ourselves as a prominent player among insulin pen biosimilar manufacturers. As a recognized custom auto-injector manufacturer, we are actively involved in injection pen contract manufacturing, including Epipen manufacturing and rheumatoid arthritis auto-injection pens. Our expertise also extends to producing generic medicines for FDA short-listed drugs.
Bac-Water Manufacturer
The Science of Safety
Bacteriostatic Water for Injection (BWFI) is crucial in modern medicine, Used to dilute or dissolve medications for injection. Contains 0.9% benzyl alcohol, which acts as a preservative. This allows vials to be safely re-entered multiple times for multi-dose applications.
Quality Control Assurance Framework at MayMag Biologics
We manufacture 506e Products Only
506(e) Manufacturing Scope
We are a 506(e) industrial pharmaceutical manufacturer focused exclusively on large-scale production of FDA-shortlisted generic drugs and biosimilar biologics — not retail 503b compounding for hospitals or clinics.
Regulatory Compliance
Top-tier cGMP compliant, FDA registered 503B outsourcing facility, ISO certified, ISO 13485, USP <797> <800> compliant. Quality standards that deliver trust.
Our Biologics Portfolio
MayMag InhalationTherapeutics
Innovative Biotechnology Solutions at MayMag Biologics Manufacturer
