Standards6 min read
What the MODE System Means
ProGrade organizes its catalog by research outcome, not chemical class. Here is what MODE-M, MODE-R, MODE-L, and MODE-P stand for — and why it makes research easier.
Read overviewProGrade Research
The research library
Compound explainers, goal guides, and lab standards — cited, scannable, and written for a research audience. Every article is grounded in published literature and framed strictly for research use.
Goal GuideFeatured
Peptides Studied for Metabolic Research: A Field Guide
From single-agonist GLP-1 compounds to triple agonists, amylin analogs, and GHRH analogs — a map of the peptides that define modern metabolic research.
10 min read
Read the field guide Standards
Standards9 min read
Understanding Certificates of Analysis (COA) & Peptide Purity
What a certificate of analysis actually documents, how HPLC and mass spectrometry establish purity and identity, and why per-batch COAs matter.
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Education8 min read
How to Reconstitute Research Peptides (Step-by-Step)
A clear, general laboratory guide to reconstituting lyophilized research peptides with bacteriostatic water — the terms, the tools, and best practices.
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Goal Guide9 min read
Longevity Peptides: An Overview of the Research Landscape
Telomere biology, cellular energy, redox balance, and collagen remodeling — a map of the compounds that define longevity peptide research.
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Goal Guide8 min read
Recovery Peptides: BPC-157 vs. TB-500
Two of the most-studied recovery peptides, compared. How BPC-157 and TB-500 differ in the tissue-repair literature — and why they are so often studied together.
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Compound Guide6 min read
Tesamorelin Research Summary
Tesamorelin is a growth-hormone-releasing hormone (GHRH) analog studied in visceral-adipose and GH-axis research. A concise research summary.
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Compound Guide7 min read
GHK-Cu Copper Peptide Research Overview
GHK-Cu is a naturally occurring copper tripeptide studied in collagen-synthesis, wound-healing, and hair-follicle research. What the literature describes.
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Compound Guide8 min read
NAD+ and Cellular Aging: A Research Primer
NAD+ is a coenzyme central to cellular energy, DNA-repair, and sirtuin-pathway research. A primer on why it is a fixture of longevity science.
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Compound Guide7 min read
Tirzepatide Explained: The Dual-Agonist Peptide
Tirzepatide is a dual GLP-1 / GIP receptor agonist widely studied in metabolic and glucoregulatory research. Here is how the dual mechanism is described in the literature.
Read overviewCompound Guide7 min read
BPC-157: A Research Overview
BPC-157 is a synthetic pentadecapeptide widely studied in tissue-repair and regeneration models. A plain-language summary of the research literature.
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Compound Guide8 min read
What Is Retatrutide? A Research Overview
Retatrutide is a triple-agonist peptide targeting the GLP-1, GIP, and glucagon receptors. Here is what the metabolic research literature describes — framed for laboratory study.
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