About RCM Biosciences

RCM Biosciences (legally RCM Holdings LLC) is a U.S.-based research peptide and bioscience compound supplier serving laboratory and analytical research. Every product we sell is batch-tested by an independent third-party laboratory, ships with a Certificate of Analysis, and is labeled exclusively for research use.

Our mission

To supply high-purity research peptides and bioscience compounds with transparent batch testing, clear research-use-only labeling, and a streamlined ordering process built around laboratory workflows.

What we do

We source, batch-test, and distribute research-grade peptides organized by research focus area: GLP-1 receptor agonists, tissue and recovery, cognitive and neurological, growth hormone secretagogues, longevity, immune, and combination blends. Each product page documents strength, form (typically dry powder), and links to the batch-specific Certificate of Analysis.

Quality commitment

  • ≥98% purity verified by independent third-party laboratory testing per batch
  • Batch-specific Certificate of Analysis (CoA) delivered with every order
  • Clear research-use-only labeling on all packaging
  • Documented ordering process via quote → invoice → payment → shipment

Read the full Quality & Testing Standards for the complete methodology.

Company information

  • Legal name: RCM Holdings LLC
  • Trading name: RCM Biosciences
  • Headquarters: Livingston, Texas, USA
  • Email: research@rcmbiosciences.com
  • Phone: (979) 221-0602
  • Languages supported: English, Spanish

Editorial standards

Product descriptions, research references, and educational content are reviewed by the RCM Biosciences Research Team. We update content as testing methodology, catalog availability, or regulatory guidance changes. The last review date is shown at the bottom of every public page.

Frequently Asked Questions

Who is RCM Biosciences?

RCM Biosciences (RCM Holdings LLC) is a U.S.-based supplier of research peptides and bioscience compounds. We provide batch-tested, third-party verified material exclusively for laboratory and analytical research.

Where is RCM Biosciences located?

RCM Biosciences is based in Livingston, Texas. Inquiries are handled by phone at (979) 221-0602 and by email at research@rcmbiosciences.com.

What is the mission of RCM Biosciences?

RCM Biosciences supplies high-purity research peptides and bioscience compounds with transparent batch testing and clear research-use-only labeling so laboratory and analytical research teams can work with confidence.

What sets RCM Biosciences apart?

A batch-specific Certificate of Analysis with every order, ≥98% purity verified by independent third-party laboratories, clear research-use-only labeling, and a transparent quote-to-invoice ordering process built around laboratory research workflows.

Does RCM Biosciences sell to consumers?

No. RCM Biosciences supplies research compounds exclusively for laboratory and analytical research. Our products are not intended for human use, animal use, diagnostic procedures, or therapeutic applications.

Can researchers visit the RCM Biosciences facility?

Facility visits are not currently open to the public. Research partners and bulk inquiries are reviewed on a case-by-case basis — contact research@rcmbiosciences.com to discuss.

How can I contact RCM Biosciences?

Email research@rcmbiosciences.com, call (979) 221-0602, or use the contact form at rcmbiosciences.com/contact. We aim to respond within one business day.

Related resources

  • Research Peptide Catalog
  • Quality & Testing Standards
  • How to Order
  • Contact RCM Biosciences
  • Research Use Only Disclaimer

Last reviewed: 2026-07-11 · Editorial review by the RCM Biosciences Research Team.

Research Use Only. RCM Biosciences products are sold exclusively for laboratory and analytical research. They are not intended for human consumption, animal use, diagnostic procedures, or therapeutic applications.

Contact: research@rcmbiosciences.com · (979) 221-0602