At Intrinsic Peptides, quality and transparency is at the forefront of our processes, along with science and longevity.

Why use Intrinsic Peptides as a peptide supplier:

• Competitive pricing

• Same-day shipping available in all 50 states

• Third party tested and confirmed with a Certificate of Analysis (COA)

• Meets U.S. Pharmacopeia (USP) standards

• Synthesized and handled by GMP compliant facilities

• Rigorous quality and purity requirements >98% confirmed with RP-HPLC and MS testing

Peptides are short chains of amino acids that occur naturally in biological systems and are widely studied in laboratory and non-clinical research settings. Due to their structural properties, peptides are frequently used as research tools to investigate molecular interactions, signaling pathways, and protein behavior across a variety of experimental models.

Peptide materials supplied by Intrinsic Peptides are designated exclusively for research and analytical use. Each compound undergoes independent third-party analytical testing to verify identity, purity, and composition. Analytical methods may include techniques such as reverse-phase high-performance liquid chromatography (RP-HPLC) and mass spectrometry (MS), with Certificates of Analysis (COAs) provided for reference.

Manufacturing and handling processes are conducted using quality systems aligned with recognized industry standards, including cGMP-aligned procedures, where applicable, to support consistency and reproducibility in research applications.

Ongoing scientific and regulatory review continues to shape how peptides are classified and studied within research and pharmaceutical development environments. Numerous peptide compounds remain the subject of active investigation in preclinical and clinical research programs, reflecting continued scientific interest in their properties and mechanisms of action. Regulatory frameworks governing peptides may evolve as additional data becomes available.

The process of peptide therapy is a dynamic and individualized journey. We have made it simple to search by category, and easily apply condition or symptom filters when browsing all peptides. If you don't know where to start, we recommend scheduling a consult to receive guidance. You will speak with a specialist in peptide therapy, that can walk you through proper handling and protocols.

Peptides have been the subject of scientific investigation for over a century and continue to be studied for their roles in biological signaling, molecular interactions, and cellular processes. Early peptide research contributed to foundational discoveries in biochemistry and molecular biology, including the identification of insulin as a biologically active peptide. These discoveries marked significant milestones in scientific research and helped advance understanding of how peptides function as components of larger protein structures.

As fundamental building blocks of proteins, peptides are widely utilized in laboratory and non-clinical research to study mechanisms related to cellular communication, metabolic pathways, and age-associated biological processes. Ongoing research continues to explore their properties across a range of experimental models.

All products referenced are intended solely for research and analytical purposes and are not approved for human or veterinary use.

Peptides have been studied in scientific research for decades, with early investigations in the mid-20th century contributing to foundational discoveries in biochemistry, endocrinology, and molecular signaling.

Historically, research involving bioactive peptides such as hormones and neurotransmitters played a significant role in advancing understanding of cellular communication and protein function. These discoveries helped establish peptides as important tools in biological and biochemical research.

In modern research settings, peptides are utilized in non-clinical and laboratory models to explore a wide range of biological mechanisms, including signaling pathways, metabolic processes, neuromodulation, and age-associated cellular activity. Researchers may study peptide behavior using various experimental approaches depending on the objectives of the study and the characteristics of the compound.

Ongoing scientific investigation continues to examine how peptides interact with receptors, enzymes, and intracellular pathways across different research models.