Knowledge base

Peptide Education Center

Everything you need to understand research peptides — from mechanisms of action to protocols, safety, and the science behind each compound.

BEGINNER

What Are Research Peptides?

A foundational overview of peptides — short chains of amino acids that act as biological messengers, signaling cells to perform specific functions in the body.

5 min readREAD
BEGINNER

How Peptides Differ from Steroids

Understand the fundamental differences between peptides and anabolic steroids — mechanism, receptor binding, side effect profiles, and research applications.

6 min readREAD
BEGINNER

Peptide Storage & Handling

Proper reconstitution, storage temperatures, bacteriostatic water ratios, and shelf-life guidelines to maintain peptide integrity for research use.

4 min readREAD
INTERMEDIATE

Growth Hormone Secretagogues Explained

A deep dive into GHS compounds — Ipamorelin, CJC-1295, Sermorelin, and GHRP-6 — how they stimulate the pituitary and their distinct release profiles.

8 min readREAD
INTERMEDIATE

BPC-157: The Body Protection Compound

Exploring the regenerative mechanisms of BPC-157 — angiogenesis, tendon-to-bone healing, gut repair, and its interaction with the nitric oxide system.

9 min readREAD
INTERMEDIATE

NAD+ and Cellular Energy Metabolism

How NAD+ functions as a coenzyme in redox reactions, its role in sirtuin activation, mitochondrial biogenesis, and why levels decline with age.

7 min readREAD
ADVANCED

Epigenetic Mechanisms of Epithalon

Epithalon's role in telomere elongation, pineal gland regulation, and its influence on gene expression patterns associated with longevity and aging.

10 min readREAD
ADVANCED

FOXO4-DRI and Senolytic Activity

How FOXO4-DRI disrupts the FOXO4-p53 interaction in senescent cells, triggering apoptosis and clearing the senescent cell burden linked to aging.

11 min readREAD
PROTOCOL

The Wolverine Stack Protocol

A structured research protocol combining BPC-157 and TB-500 for synergistic tissue repair — dosing windows, cycle length, and stacking rationale.

8 min readREAD
PROTOCOL

GH Peptide Stacking Guide

How to combine GHRH and GHRP peptides for amplified growth hormone pulses — timing relative to sleep, fasting windows, and insulin interactions.

9 min readREAD
COMPOUND

BPC-157: Tissue-Repair Signaling

A gastric-derived pentadecapeptide studied for its role in tissue-repair signaling across tendon, muscle, and GI models. Research spans angiogenesis, nitric oxide pathways, and growth factor upregulation.

8 min readREAD
COMPOUND

TB-500: Actin-Binding & Wound Repair

A synthetic fragment of Thymosin Beta-4, researched for its actin-binding role in cell migration and wound-repair models. Studied for soft tissue and tendon recovery applications.

7 min readREAD
COMPOUND

Thymosin Alpha-1: Immune Modulation

A thymic peptide studied for its modulation of T-cell function and innate immune signaling. Clinically investigated for immune deficiency and antiviral defense.

6 min readREAD
COMPOUND

DSIP: Sleep Architecture & Stress Axis

Delta sleep-inducing peptide, studied for its association with slow-wave sleep architecture and stress-axis modulation. Research explores HPA axis regulation and neuropeptide signaling.

6 min readREAD
COMPOUND

CJC-1295 / Ipamorelin: GH Pulse Signaling

A GHRH analog paired with a selective ghrelin-receptor agonist, studied together for pulsatile growth-hormone signaling and synergistic IGF-1 elevation.

8 min readREAD
COMPOUND

Semax: BDNF & Cognitive Pathways

A heptapeptide derived from ACTH(4-10), researched in the neuropharmacology literature for BDNF upregulation, neuroprotection, and cognitive-signaling pathways.

7 min readREAD
COMPOUND

Selank: Anxiolytic & Immune Activity

A synthetic analog of tuftsin, studied for anxiolytic-like effects and immune-peptide activity in animal models. Modulates GABA and serotonin systems without sedation.

6 min readREAD
COMPOUND

MK-677: Ghrelin Receptor & IGF-1

An orally active ghrelin-receptor agonist studied for sustained growth-hormone and IGF-1 elevation. Research covers body composition, sleep quality, and bone density.

7 min readREAD
COMPOUND

NAD+: Sirtuin Activation & Aging

A central coenzyme in cellular energy metabolism, studied for its role in sirtuin activation, DNA repair, and age-related NAD+ decline across tissues.

7 min readREAD
COMPOUND

Methylene Blue: Mitochondrial Redox

A redox-active compound studied in mitochondrial electron-transport and neuroprotection research. Investigated for cognitive support and mitochondrial efficiency.

6 min readREAD
COMPOUND

Epitalon: Telomerase & Pineal Signaling

A synthetic tetrapeptide studied by gerontology researchers for telomerase activity, pineal gland signaling, and gene expression patterns associated with longevity.

8 min readREAD
COMPOUND

GHK-Cu: Collagen & Matrix Remodeling

A copper-binding tripeptide extensively studied for extracellular matrix remodeling, collagen-signaling pathways, and wound-healing applications in skin research.

6 min readREAD

Compound Library

Research Compound Index

Peer-reviewed summaries for every compound in our catalog. Click any entry to explore the published literature.

Healing & Recovery

BPC-157

A gastric-derived pentadecapeptide studied for its role in tissue-repair signaling across tendon, muscle, and GI models.

View Research

TB-500

A synthetic fragment of Thymosin Beta-4, researched for its actin-binding role in cell migration and wound-repair models.

View Research

Thymosin Alpha-1

A thymic peptide studied for its modulation of T-cell function and innate immune signaling.

View Research

DSIP

Delta sleep-inducing peptide, studied for its association with slow-wave sleep architecture and stress-axis modulation.

View Research
Longevity & Cognitive

CJC-1295 / Ipamorelin

A GHRH analog paired with a selective ghrelin-receptor agonist, studied together for pulsatile growth-hormone signaling.

View Research

Semax

A heptapeptide derived from ACTH(4-10), researched in the neuropharmacology literature for BDNF and cognitive-signaling pathways.

View Research

Selank

A synthetic analog of tuftsin, studied for anxiolytic-like effects and immune-peptide activity in animal models.

View Research

MK-677

An orally active ghrelin-receptor agonist studied for sustained growth-hormone and IGF-1 elevation.

View Research

NAD+

A central coenzyme in cellular energy metabolism, studied for its role in sirtuin activation and age-related NAD+ decline.

View Research

Methylene Blue

A redox-active compound studied in mitochondrial electron-transport and neuroprotection research.

View Research
Bioregulators

Epitalon

A synthetic tetrapeptide studied by gerontology researchers for telomerase activity and pineal gland signaling.

View Research
Aesthetics & Skin

GHK-Cu

A copper-binding tripeptide extensively studied for extracellular matrix remodeling and collagen-signaling pathways.

View Research

Frequently Asked Questions

Ready to Explore the Catalog?

Apply your knowledge — browse our full range of research-grade peptides.

NexGen Peptide

Science. Performance. Recovery.

— Longevity —

Precision-engineered research peptides backed by science. Every compound is third-party tested for purity and analytical integrity.

Legal Disclaimer

NexGen Inc. is a chemical supplier. NexGen Inc. is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic Act. NexGen Inc. is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic Act.

All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.

All products on this site are for research and development use only. Products are not for human consumption of any kind. The statements made on this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure, or prevent any disease.

© 2026 NexGen Inc. All rights reserved.