Connecting Scientists

with unique life science solutions

We help researchers find specialty reagents from global innovators so they can solve workflow bottlenecks and move their projects forward faster.

Researcher-first partnerships focused on your success

We curate high-quality, hard-to-find reagents from trusted global innovators to help you find the right tools for your workflow. Our team of scientists offers personalized support to help you troubleshoot, compare options, and find the best fit for your application.

You can always expect clear pricing, no hidden fees, and reliable help from a team that puts your research first.

Advance Discoveries With Trusted Solutions

Cosmo Bio USA connects researchers with exclusive globally-sourced reagents and research tools, supported by expert guidance and technical documentation. Backed by our Tokyo-based parent company and partnerships with over 70 Japanese manufacturers—and select international innovators—we deliver high-quality solutions designed to accelerate discovery, improve health, and empower groundbreaking life science research.

Explore our Flagship Solutions:

Achieve direct, quantitative detection of antigen-specific T cells by flow cytometry. Offering sensitivity and stability for research in a variety of therapeutic areas.

Accelerate protein research with a robust cell-free protein synthesis system delivering high yield, reproducibility, and flexibility. Ideal for structural biology, functional studies, and assay development.

Trusted tools for mouse and animal IVF, designed to enhance fertilization efficiency and support transgenic research. Backed by consistent performance and reliability.

Popular Products

Two test tubes in packaging labeled
Sold out
Microscopic view of cell cultures with elongated shapes and overlapping patterns.
Sold out
Container of product labeled
Sold out

Trusted Global Suppliers Driving Innovation Worldwide

Cosmo Bio USA partners with international manufacturers to give researchers worldwide access to an unparalleled portfolio of high-quality life science reagents and tools. Through our global distribution network, we ensure that scientists in biotech, pharma, and academia can rely on innovative products backed by proven expertise and decades of trust.

Learn more about our top suppliers by reading our spotlight series. In this series, we highlight partners behind the cutting-edge tools, reagents, and technologies we offer. Each spotlight will give you a closer look at the unique strengths of our suppliers and their standout products.

Developers of next-generation reagents for molecular biology and synthetic biology. Improving the reliability and performance of DNA assembly workflows with deep expertise.

Pioneering next-generation biologics, focusing on custom and off-the-shelf solutions for biopharma companies. Accelerating discovery through innovative protein engineering, synthetic biology, and cellular modeling.

Global leader in immunology and molecular biology reagents, specializing in apoptosis, autophagy, and infectious disease research tools trusted by laboratories worldwide.

The Cosmo Bio Difference

Our mission is simple: help you get the exact reagent your research needs quickly, confidently, and with expert guidance at every step

Exclusive Access

We provide access to unique reagents from Japanese and global innovators that are difficult to find.

Scientific Assurance

Products backed by precision manufacturing and strong performance data.

Personalized Support

Guidance at every step, from selection to delivery. We help you navigate all the permit requirements to import selected reagent into the US.

Flexible Ordering

Shop online, or submit inquiries via email, phone or fax — whichever suits you.

Shipping transparency

We excel at delivering products on time to keep up with your timelines.

Accelerate Your Research with Precision Tools

Access exclusive globally sourced reagents, backed by expert support and reliable delivery. Partner with Cosmo Bio USA today.