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Browse evidence-gated laboratory guides and research-peptide educational resources.
Aliquoting Peptide Solutions: Vials, Volumes and Avoiding Contamination
Splitting a stock trades a calculable transfer loss for the end of repeated freeze-thaw damage. Below about 100 µL that trade stops paying — here is where the line sits and how to run the split.
AOD-9604 vs HGH Fragment 176-191: Cyclised and Linear Forms Compared for Research
Same growth-hormone segment, two chemical states. How the cyclised AOD-9604 differs from the linear hGH 176-191 fragment, and which to select for a given research design.
Bacteriostatic Water vs Sterile Water for Peptide Reconstitution
The two diluents differ by exactly one ingredient — 0.9% benzyl alcohol — and that ingredient decides whether a reconstituted vial can be entered once or many times.
BPC-157 Capsules vs BPC-157 Vials: Format, Route and Research Selection
Same molecule, different format. How 500 mcg BPC-157 capsules compare with lyophilized vials on route, preparation variability, flexibility and traceability.
BPC-157 vs KPV: Repair Signalling and Anti-Inflammatory Signalling Compared
BPC-157 measures structural repair; KPV measures inflammatory signalling. Both appear in gut models for different reasons — a mechanism-led research selection guide.
BPC-157 vs TB-500: Mechanism, Structure and Research Selection Compared
Two unrelated molecules grouped by convention, not biology. How BPC-157's angiogenic literature compares with TB-500's actin-binding mechanism for research selection.
Cagrilintide vs Semaglutide: Amylin Analog vs GLP-1 Agonist in Research
Cagrilintide is an amylin analog; semaglutide is a GLP-1 agonist. Different receptors, overlapping circuits — a research comparison and selection guide.
How to Choose a Research Peptide Vendor: 9 Checks (COA, Third-Party Testing, Sizes, Support)
Eight of the nine checks that separate a real research peptide supplier from a reseller can be run before you order. Here they are, with the price-per-milligram math most buyers get wrong.
CJC-1295 vs CJC-1295 with DAC: Maleimide Conjugation and Exposure Pattern Compared
One appended lysine and a maleimide linker separate these two GHRH analogs. How covalent albumin conjugation changes exposure pattern, handling and study design.
CJC-1295 vs Sermorelin: Native GHRH(1-29) and Its Substituted Analog Compared
Sermorelin is native GHRH(1-29); Modified GRF 1-29 is the same fragment hardened at four positions. What each substitution fixes, and which to use in a given design.
10 Common Reconstitution and Storage Mistakes in Peptide Research
Vials are rarely ruined by chemistry. They are ruined by a cold stopper, a shaken vial, a bubble in a syringe or a concentration calculated from the wrong number — each with a measurable cost.
Using ELISA/RIA Kits in Peptide Research: Standards, Range and Sensitivity
Most peptides are too small for a sandwich ELISA, so signal falls as concentration rises. Here is how to build the standard curve, validate the result and avoid inverting the conclusion.
GHK-Cu vs AHK-Cu: Structure, Copper Chemistry, Research Areas and How to Choose
GHK-Cu and AHK-Cu differ by one residue but point at different literatures — matrix and skin models versus hair follicle work. A side-by-side research comparison.
How to Read a Peptide Certificate of Analysis (COA): HPLC, MS and Purity
A peptide COA answers two questions — is this the right molecule, and how much of the material is that molecule? Here is how to read every line, and the red flags that should stop an order.
5-Amino-1MQ vs SLU-PP-332: NNMT Inhibition and ERR Agonism Compared for Research
An NNMT inhibitor and a pan-ERR agonist, both small molecules and neither a peptide. Mechanisms, solubility, assay design and selection guidance for laboratory research.
What Is Lyophilization and Why Peptides Ship as Powder
Lyophilization — freeze-drying — removes water from a frozen peptide solution by sublimation, leaving a porous cake that is stable for years and dissolves in seconds. Here is how and why.
Choosing Syringes and Needles for Peptide Research: Gauge, Volume, Units
A U-100 unit is 0.01 mL of volume, not a fixed mass of peptide. Here is how gauge, barrel size and dead space change measurement accuracy, with worked mcg-per-unit numbers.
Peptide Blends vs Single Vials: Ratios, COA Interpretation and When Researchers Combine
A blend fixes the component ratio at manufacture; a stack leaves it to you. That single difference drives the concentration math, the COA you should demand and the designs each format can support.
Neuropeptide Research: A Guide to the Research Catalog
A working map of the neuropeptide section of our research catalog: the signaling families most studied, the reagent formats they come in, and how laboratories match family to research question.
Obesity & Appetite Peptide Research: A Guide to the Research Catalog
A working map of the obesity and appetite section of our catalog: peripheral satiety signals, the hypothalamic melanocortin circuit, adipokines and myokines, and the fragment choices that decide your result.
What is AOD-9604? Structure, Mechanism and Research Overview
AOD-9604 is a 16-residue growth hormone C-terminal fragment with an N-terminal tyrosine, studied for lipolytic activity separated from the IGF-1 axis.
What is ARA-290? Structure, Mechanism and Research Overview
ARA-290 (cibinetide) is an 11-residue peptide from the helix-B surface of erythropoietin, designed to engage the innate repair receptor without stimulating erythropoiesis.
What is Cagrilintide? Structure, Mechanism and Research Overview
Cagrilintide is a long-acting, aggregation-resistant amylin analog active across the amylin and calcitonin receptor family. Structure, reported mechanism and research context.
What is VIP (Vasoactive Intestinal Peptide)? Structure, Mechanism and Research
VIP is a 28-residue amidated neuropeptide of the secretin-glucagon superfamily that signals through VPAC1 and VPAC2 receptors to raise cyclic AMP.
How to Store Peptides: Lyophilized vs Reconstituted, Temperatures, Light and Freeze–Thaw
Peptide storage comes down to four enemies — heat, moisture, light and freeze–thaw cycling — and two regimes: sealed lyophilized powder and reconstituted solution. Here is the working rulebook.
HPLC Purity for Research Peptides: What ≥98% and ≥99% Actually Mean
An HPLC purity percentage is a ratio of chromatogram peak areas, nothing more and nothing less. Here is how it is measured, what ≥98% vs ≥99% buys you, and what the number cannot tell you.
Ipamorelin vs GHRP-2: GHS-R1a Selectivity, Structure and Research Selection
Same ghrelin receptor, different selectivity profiles. How ipamorelin's clean GH response compares with GHRP-2's broader neuroendocrine reach for research selection.
KLOW Blend vs GLOW Blend: Composition, Molar Balance and Research Selection
KLOW is GLOW plus KPV. A composition-led comparison covering molar balance, attribution limits, copper-specific handling and when to buy components separately.
Fluorescent, Biotin and Radiolabeled Peptides: What Each Label Is For
The right label is decided by the instrument you already own. Here is what fluorescent, biotin and radioiodine labels each do, the mass they add, and how to avoid perturbing binding.
Liraglutide vs Semaglutide: Acylation Chemistry, Half-Life and Research Selection
Same GLP-1 backbone, different acylation chemistry. How liraglutide's C16 palmitic design compares with semaglutide's C18 diacid for laboratory research selection.
LL-37 vs Thymosin Alpha-1: Antimicrobial Effector and Immune Modulator Compared
One acts directly on microbial membranes, the other modulates T-cell and TLR signalling. A mechanism-led comparison of LL-37 and Thymosin Alpha-1 for research selection.
Mass Spectrometry and Peptide Identity Confirmation
Mass spectrometry is the identity half of peptide QC: it weighs the molecule and compares the result to theory. Here is how ESI spectra work, and the diagnostic mass shifts worth memorizing.
Peptide Nasal Sprays: How Research Sprays Are Formulated and Stored
A nasal spray's real specification is mass per actuation: concentration times the pump's fixed 0.1 mL volume. Here is how research sprays are built, verified and stored.
Oral Peptides: Capsules, Troches and Why Bioavailability Matters in Research Design
Swallowed peptides face acid, proteases, a tight epithelium and first-pass metabolism. Oral formats still earn their place — but only when the research question is local rather than systemic.
Molecular Weight, Moles and Molarity for Peptide Solutions
Molarity is what receptor and culture protocols are written in; mg/mL is what a vial gives you. Three equations connect them — plus the net-peptide-content correction almost everyone skips.
Peptide Reconstitution Math Explained: mg, mL, mcg and Insulin-Syringe Units
The three formulas every peptide reconstitution calculator runs on — concentration, volume-for-amount and the units conversion — worked through with real numbers so you can check any result by hand.
How to Reconstitute Lyophilized Peptides: Step-by-Step Lab Guide with Worked Examples
A step-by-step lab procedure for turning a lyophilized peptide vial into a known-concentration stock solution, with worked concentration math and the mistakes that most often ruin a vial.
How to Read a Peptide Sequence: One-Letter and Three-Letter Codes, Modifications, Amidation
Peptide sequences are written N-terminus first, in one-letter or three-letter code, with modifications flagged at the end they apply to. Here is how to decode a label and turn it into a molecular weight.
Peptide Stability and Half-Life: Why DAC, PEG and Acetylation Exist
Vial stability and biological half-life are different problems with different solutions. Here is which enzyme each modification blocks, and what the reported half-lives actually are.
Peptides for Anti-Aging: Research Overview, Peptide Classes and Selection Guide
Telomere peptides, mitochondrial-derived peptides, senolytics and NAD cofactors mapped onto the hallmarks of aging, with a comparison table and a frank assessment of how much independent replication each class has.
Peptides for Energy & Mitochondria: Research Overview, Peptide Classes and Selection Guide
Mitochondrial-derived peptides, cardiolipin-targeting tetrapeptides, NAD cofactors and the small molecules used alongside them — mapped to the bioenergetic readouts that actually distinguish them.
Peptides for Fertility & Hormones: Research Overview, Peptide Classes and Selection Guide
The hypothalamic-pituitary-gonadal axis mapped level by level, with every compound placed on it — including the ones that suppress rather than stimulate, and why administration pattern decides which.
Peptides for Focus & Memory: Research Overview, Peptide Classes and Selection Guide
ACTH fragment analogs, tuftsin analogs, neurotrophic mimetics and brain-derived hydrolysates — separated by mechanism, with a comparison table and the behavioural endpoints that distinguish cognition from anxiolysis.
Peptides for Gut Health: Research Overview, Peptide Classes and Selection Guide
Barrier integrity and mucosal inflammation are two different questions with two different compound sets, plus the TEER and flux assays that separate them.
Peptides for Hair Growth: Research Overview, Peptide Classes and Selection Guide
Copper tripeptides, Wnt pathway modulators and thymic peptide complexes — the three approaches in follicular research, with a comparison table and a frank account of how early this field still is.
Peptides for Healing & Recovery: Research Overview, Peptide Classes and Selection Guide
The four mechanistic classes studied in tissue repair research — angiogenic peptides, actin-binding fragments, copper matrikines and anti-inflammatory tripeptides — with honest notes on evidence quality.
Peptides for Immune Support: Research Overview, Peptide Classes and Selection Guide
Thymic peptides, host defence peptides and immunoregulatory neuropeptides act in opposite directions. A comparison table, the assays that separate them, and why endotoxin is the specification that matters most here.
Peptides for Joints & Tendons: Research Overview, Peptide Classes and Selection Guide
Tendon and cartilage are different tissues with different repair biology. A comparison table, the mechanical endpoints that make a tendon result defensible, and the comparators any serious joint protocol should include.
Peptides for Libido: Research Overview, Peptide Classes and Selection Guide
Central melanocortin signalling and the peripheral endocrine cascade are two different axes with two different compound sets — with a comparison table and the endpoints that separate them.
Peptides for Muscle Growth: Research Overview, Peptide Classes and Selection Guide
The peptide classes studied for skeletal muscle — GHRH analogs, ghrelin-receptor agonists, IGF splice variants and myostatin-pathway inhibitors — with a comparison table and the selection logic labs actually use.
Peptides for Skin: Research Overview, Peptide Classes and Selection Guide
Signal, carrier, neurotransmitter-inhibiting and enzyme-inhibiting peptides — the four-class framework for cosmetic peptide research, plus the barrier problem that decides translation.
Peptides for Sleep: Research Overview, Peptide Classes and Selection Guide
Sleep architecture, circadian timing and anxiolysis are three different questions with three different compound sets. A comparison table, the EEG endpoints that separate them, and where the evidence is genuinely absent.
Peptide Solubility: Charge, pH, Hydrophobic Sequences and Solvent Choice
A peptide is least soluble where its net charge is zero. Count the charged residues, find which side of neutral the sequence sits on, and the solvent choice follows.
Alzheimer's & Neurodegeneration Peptide Research: A Guide to the Research Catalog
A working map of the neurodegeneration section of our catalog: the amyloid, tau and synuclein families, synaptic and trophic markers, and the Aβ preparation protocol that decides reproducibility.
Antimicrobial Peptide Research: A Guide to the Research Catalog
A working map of the antimicrobial section of our catalog: human host-defence families, model AMPs, innate-immune companions, and the counter-ion and media details that decide whether MIC data replicate.
Cancer Research Peptides & Antibodies: A Guide to the Research Catalog
A working map of the cancer section of our research catalog: checkpoint and angiogenesis families, tumour-marker standards, protease substrates, and which reagent format answers which question.
Cardiovascular Peptide Research: A Guide to the Research Catalog
A working map of the cardiovascular section of our research catalog: the natriuretic, angiotensin and endothelin families, endothelium-derived regulators, and which reagent format fits which readout.
Diabetes & Metabolism Peptide Research: A Guide to the Research Catalog
A working map of the diabetes and metabolism section of our catalog: islet hormones, the incretin axis, adipokines and hepatokines, and the sample-handling traps that ruin the data.
Polyclonal Antibodies & Antisera: What They Are and How to Choose
Antiserum, purified IgG or affinity-purified — what each format actually contains, why the immunogen is the real specification, and the validation controls that make a result publishable.
ELISA, EIA and RIA Kits: What They Are and How to Choose
Sandwich or competitive, ELISA or RIA — the specifications that decide whether a kit will work on your samples, and why collection protocol is as much a part of the assay as the plate.
Labeled Peptides (Fluorescent, Biotin, I-125): What They Are and How to Choose
Fluorescent, biotin and radiolabeled peptides compared — which tag suits binding, imaging, capture or protease work, where to place it, and the specifications that decide whether the assay reads at all.
Research Peptides: What They Are and How to Choose
The five specifications that decide whether a synthetic peptide standard fits your assay — sequence and modifications, purity, peptide content, salt form and species — and how each changes your numbers.
What 'Research Use Only' Means for Peptides in 2026 (and What It Doesn't)
RUO is a labelling and marketing status, not a quality grade or an approval. Here is what the designation asserts, what it explicitly does not, and how compliant supply and record-keeping look.
Retatrutide vs Tirzepatide: Triple vs Dual Agonist Receptors and Research Selection
Retatrutide and tirzepatide share a GIP-based 39-residue scaffold; retatrutide adds glucagon receptor agonism. A side-by-side research comparison and selection guide.
Semaglutide vs Retatrutide: One Receptor vs Three in Metabolic Peptide Research
Semaglutide engages one receptor; retatrutide engages three. A side-by-side research comparison of structure, attribution, handling and how to pick between them.
Semaglutide vs Tirzepatide: Structure, Receptors and How to Choose a Research Standard
Semaglutide is a GLP-1 mono-agonist on a GLP-1 backbone; tirzepatide is a GIP-based dual GIP/GLP-1 agonist. A side-by-side research comparison and selection guide.
Shipping Research Peptides: Cold Chain, Summer Heat and What Actually Degrades
Dry powder tolerates a warm truck; aqueous formats do not. Here is the arithmetic behind that difference, plus what to inspect when a shipment lands.
Survodutide vs Mazdutide: Dual GLP-1/Glucagon Agonists Compared for Research
Both hit the GLP-1 and glucagon receptors, but survodutide is a designed scaffold and mazdutide an oxyntomodulin analog. A receptor-balance comparison for research selection.
Third-Party Testing for Peptides: Who Tests, What They Test, and How to Verify a Lot
A third-party report is only meaningful if the lab is named, the report is dated, and the lot matches the vial in your hand. Here is what each test measures and how to check one.
Topical Peptides in Cosmetic Research: GHK-Cu, Argireline, Matrixyl and Delivery
Cosmetic research peptides are small for a reason: the stratum corneum stops most molecules above about 500 Da. Here is what permeates, what does not, and how loading percentages convert to real concentration.
What is 5-Amino-1MQ? Structure, Mechanism and Research Overview
5-Amino-1MQ is a small-molecule NNMT inhibitor studied for adipocyte NAD+ and methyl-donor metabolism. Structure, reported mechanism and what the evidence covers.
What is ACE-031? ActRIIB-Fc Structure, Mechanism and Research Overview
ACE-031 is a soluble ActRIIB-Fc decoy receptor that intercepts myostatin, activin A and GDF-11 before they reach the membrane receptor — and a discontinued clinical candidate.
What is BPC-157 + TB-500 (Wolverine Blend)? Composition, Mechanism and Research
The Wolverine blend co-lyophilizes BPC-157 and TB-500 at a 1:1 mass ratio in one vial. Two unrelated mechanisms, and ratio arithmetic that is not what it looks like.
What is BPC-157? Structure, Mechanism and Research Overview
BPC-157 is a synthetic 15-amino-acid peptide studied in tissue-repair models, with proposed angiogenic and nitric oxide pathway involvement and no identified receptor.
What is CJC-1295 with DAC? Albumin Binding, Mechanism and Research Overview
CJC-1295 with DAC adds a maleimidopropionyl group on Lys30 that binds covalently to albumin Cys34, turning a minutes-long GHRH analogue into a multi-day one.
What is CJC-1295 + Ipamorelin? Components, Mechanism and Research Overview
A 1:1 co-lyophilized blend of a stabilised GHRH (1-29) analogue and a selective ghrelin-receptor pentapeptide, built on two separate somatotroph signalling pathways.
What is CJC-1295 (No DAC / Mod GRF 1-29)? Structure, Mechanism and Research
CJC-1295 without DAC is properly Modified GRF 1-29: a GHRH (1-29) analogue with four substitutions that block DPP-4 cleavage, deamidation and methionine oxidation.
What is Follistatin-344? Structure, Activin Binding and Research Overview
Follistatin-344 is the 344-residue FST gene product: a 37.8 kDa glycoprotein that neutralises activin A, myostatin and GDF-11 by encircling the ligand itself.
What is GHK-Cu? Structure, Copper Chemistry, Mechanism and Research Overview
GHK-Cu is the copper(II) complex of the tripeptide glycyl-histidyl-lysine, a human plasma peptide studied for over fifty years in matrix, wound and skin research.
What is GHRP-2 (Pralmorelin)? Structure, Mechanism and Research Overview
GHRP-2, or pralmorelin, is a hexapeptide GHS-R1a agonist refined from the GHRP-6 scaffold and the only member of its class with a regulatory approval anywhere.
What is GHRP-6? Structure, GHS-R1a Mechanism and Research Overview
GHRP-6 is the founding growth hormone-releasing hexapeptide, the tool compound that led to the discovery of the GHS-R1a receptor and of ghrelin itself.
What is Hexarelin? Structure, GHS-R1a and CD36 Mechanism, and Research Overview
Hexarelin is a synthetic hexapeptide secretagogue built from the GHRP-6 scaffold, notable for a second target: the cardiac scavenger receptor CD36.
What is HGH Fragment 176-191? Structure, Mechanism and Research Overview
HGH Fragment 176-191 is the unmodified C-terminal segment of human growth hormone, studied for lipolytic activity without the IGF-1 response of the intact hormone.
What is Humanin? Structure, Cytoprotective Mechanism and Research Overview
Humanin is a 24-residue peptide encoded in mitochondrial 16S rRNA, isolated from surviving neurons in an Alzheimer's brain and studied for cytoprotective signalling.
What is Ibutamoren (MK-677)? Structure, GHS-R1a Mechanism and Research Overview
MK-677 is not a peptide: a 528.66 g/mol spiropiperidine that activates GHS-R1a, is orally active, and carries a reported 24-hour half-life rather than minutes.
What is IGF-1 DES? Structure, IGF-1R Mechanism and Research Overview
IGF-1 DES (1-3) is native IGF-1 minus its first three residues — a 67-residue truncation that loses IGFBP affinity while keeping full IGF-1 receptor activity.
What is IGF-1 LR3? Structure, IGF-1R Mechanism and Research Overview
IGF-1 LR3 is an 83-residue recombinant IGF-1 analogue with an Arg3 substitution and a 13-residue N-terminal extension, both aimed at escaping IGF binding proteins.
What is Ipamorelin? Structure, GHS-R1a Mechanism and Research Overview
Ipamorelin is a five-residue selective GHS-R1a agonist built from an Aib residue, two D-amino acids and a C-terminal amide, used to isolate ghrelin receptor signalling.
What is KPV? Structure, Mechanism and Research Overview
KPV is the Lys-Pro-Val tripeptide from the C-terminus of alpha-MSH, studied for NF-kappa B suppression and epithelial barrier effects in cell and rodent models.
What is Larazotide Acetate? Structure, Tight-Junction Mechanism and Research
Larazotide acetate is an eight-residue peptide designed to antagonise the zonulin pathway that opens intestinal tight junctions, studied through phase 3 in celiac disease.
What is Liraglutide? Structure, Mechanism and Research Overview
Liraglutide is a palmitoylated GLP-1(7-37) analog differing from the native hormone at one residue. Structure, reported mechanism and why its shorter duration still matters.
What is LL-37? Structure, Mechanism and Research Overview
LL-37 is the only human cathelicidin, a 37-residue cationic amphipathic helix released from hCAP18 and studied for both membrane disruption and immune signalling.
What is Mazdutide? Structure, Mechanism and Research Overview
Mazdutide is an acylated oxyntomodulin analog acting as a dual GLP-1 and glucagon receptor agonist. Structure, reported mechanism and research context for lab use.
What is MGF? The IGF-1 Ec E-Domain Peptide, Its Mechanism and Research Record
MGF is the 24-residue C-terminal E-domain of the IGF-1 Ec splice variant — not an IGF-1 analogue, and with no receptor identified in the published record.
What is MOTS-c? Structure, AMPK Mechanism and Research Overview
MOTS-c is a 16-residue peptide encoded inside mitochondrial DNA that signals to the cytosol and nucleus, reported to act through AICAR accumulation and AMPK.
What is PEG-MGF? Structure, PEGylation Rationale and Research Overview
PEG-MGF is the 24-residue MGF E-domain peptide with a polyethylene glycol chain attached — same sequence, longer working window, and a conjugate COA to read.
What is Retatrutide? Structure, Mechanism and Research Overview
Retatrutide is a 39-residue acylated peptide that activates GIP, GLP-1 and glucagon receptors. Structure, reported mechanism and the research context behind the triple agonist.
What is Semaglutide? Structure, Mechanism and Research Overview
Semaglutide is a synthetic 31-residue GLP-1 analog with an Aib8 substitution and a C18 fatty diacid for albumin binding. A research-grade structure and mechanism explainer.
What is Sermorelin + Ipamorelin? Components, Mechanism and Research Overview
A 1:1 co-lyophilized blend of unmodified human GHRH (1-29) amide and a selective ghrelin-receptor pentapeptide — a short, sharp pulse rather than sustained exposure.
What is Sermorelin? GHRH (1-29) Structure, Mechanism and Research Overview
Sermorelin is synthetic GHRH (1-29) amide, the truncated fragment of growth hormone-releasing hormone that carries essentially all of the receptor-binding information.
What is SLU-PP-332? Structure, Mechanism and Research Overview
SLU-PP-332 is a small-molecule pan-agonist of the estrogen-related receptors, studied as an exercise-mimetic transcriptional probe in cell and rodent work.
What is SS-31? Elamipretide Structure, Cardiolipin Mechanism and Research Overview
SS-31 (elamipretide) is an engineered cationic-aromatic tetrapeptide that concentrates in mitochondria and binds cardiolipin — targeting by chemistry, not by receptor.
What is Survodutide? Structure, Mechanism and Research Overview
Survodutide is an acylated dual glucagon and GLP-1 receptor agonist, cited as BI 456906. Structure, reported mechanism and how it differs from GIP-containing duals.
What is TB-500? Structure, Mechanism and Research Overview
TB-500 is the acetylated seven-residue actin-binding fragment of thymosin beta-4 — not the whole 43-residue protein. Sequence, reported mechanism and research context.
What is Tesamorelin + Ipamorelin? Components, Mechanism and Research Overview
A 2:1 co-lyophilized blend of a trans-3-hexenoyl-capped GHRH(1-44) analogue and a selective ghrelin-receptor pentapeptide, with the ratio maths that follows from it.
What is Tesamorelin? Structure, GHRH Mechanism and Research Overview
Tesamorelin is a full-length GHRH (1-44) analogue carrying a trans-3-hexenoyl group on tyrosine 1, the modification that blocks DPP-4 cleavage at the N-terminus.
What is Tesofensine? Structure, Mechanism and Research Overview
Tesofensine is a small-molecule triple monoamine reuptake inhibitor acting at NET, DAT and SERT, studied in feeding behaviour and reward circuit research.
What is Tirzepatide? Structure, Mechanism and Research Overview
Tirzepatide is a 39-residue acylated peptide built on a GIP backbone that engages both the GIP and GLP-1 receptors. Structure, reported mechanism and research context.