Kilogram-scale Isotope Supply. Available Today.

Made to order in Canada. Shipped globally.

TMC Group manufactures enriched stable isotopes with the consistency, traceability, and scale required to move from research through clinical development and toward commercialization. We’ve been supporting groundbreaking scientific research and innovation around the world since 2004.
Book Your Supply

Our isotopes

TMC Group manufacture high-purity enriched stable isotopes for diagnostic and therapeutic applications in small research-scale batches and at large commercial volumes. Our materials support reproducibility, traceability, and regulatory pathways across research and clinical programs.

Plan future capacity with a proven manufacturer

Ytterbium-176

The essential starting material used to create Lutetium-177, a powerful medical radioisotope for targeted cancer treatments
Gallium-69
The foundational element for both advanced microscopy techniques and a vital diagnostic tool in nuclear medicine
Gadolinium-160
The key ingredient for creating Terbium-161, a new medical radioisotope being developed for precision cancer treatments

Working to advance nuclear medicine

We support organizations across the radiopharmaceutical ecosystem. As programs scale, requirements shift, from grams to kilograms, and from early research to clinical consistency. Our focus is on ensuring supply is there when you need it.

Radiopharmaceutical developers advancing clinical pipelines

Nuclear medicine researchers exploring next generation isotopes

CDMOs and manufacturing partners scaling production

Teams preparing for Phase II/III trials and commercial supply

Why TMC Group?

For more than two decades, TMC Group has produced enriched stable isotopes for customers worldwide, with demonstrated isotopic and chemical purity. Our 30,000+ square foot facility integrates enrichment, quality control, and analytical capabilities to support reproducibility, traceability, and regulatory alignment.

Proven Products

Demonstrated isotopic purity reaching up to 99.9%

Dependable Supply
Manufactured and shipped from Canada
Scalable Production Capacity
From small batch to large commercial volumes
Custom Isotope Manufacturing
Adaptable technology, equipment, and processes

Expanding capacity to support next-generation radiotheranostics

TMC Group is commissioning new production lines in 2026, increasing capacity by 50% to help ensure reliable isotope supply as demand grows. This expansion supports customers from early research through Phase II/III trials and toward commercialization.

Read the announcement

Find us at SNMMI 2026

Stop by Booth #529 to learn more about our production capabilities, current availability, and how we support programs scaling into clinical and commercial stages.

Let’s talk isotopes!

Planning upcoming studies or scaling production? Contact us today.

*PDF files only