Safety
Are peptides legal in Norway? The 2026 regulatory answer
Peptides in Norway are mostly unlawful to import privately. What Legemiddelverket stops at customs, what's approved, and how Norwegian law handles it.
April 24, 2026·13 min read
Evidence-based peptide writing
Research-backed articles on peptides, protocols, and longevity science.
Peptide guide
Cognitive peptides: promise, evidence, and a retraction
Research-first walkthrough of cognitive peptides, what Semax, Selank, and DSIP actually do, which claims don't hold up, and what to watch in 2026.
April 22, 2026·21 min read
Protocol
Bacteriostatic water: why it matters and how much to use
Bacteriostatic water is the 0.9% benzyl-alcohol diluent that keeps reconstituted peptides stable for 28 days. Here's the chemistry, the volumes, and the math.
April 20, 2026·6 min read
Peptide guide
BPC-157: mechanism, evidence, and what the research actually shows
BPC-157 is the most-searched healing peptide. Here's the mechanism, the preclinical evidence, the limited human data, and how to think about the protocol.
April 20, 2026·7 min read
Protocol
BPC-157 + TB-500 stack: what the evidence actually says
The BPC-157 + TB-500 stack is the most common healing peptide protocol. Here's the mechanism rationale, the dosing framework, and what the evidence does — and doesn't — support.
April 20, 2026·6 min read
Comparison
BPC-157 vs TB-500: when to use each for tissue repair
BPC-157 and TB-500 are the two most-researched tissue-repair peptides. Different mechanisms, different use cases. Here's how to decide between them.
April 20, 2026·6 min read
Peptide guide
CJC-1295 + Ipamorelin: the GH synergy stack explained
The CJC-1295 + Ipamorelin stack pairs a GHRH analogue with a GHRP for amplified growth hormone pulses. Here's the mechanism, the dose pattern, and what the research shows.
April 20, 2026·6 min read
Peptide guide
Epitalon: the longevity peptide explained
Epitalon is a tetrapeptide associated with telomerase activity and pineal-gland regulation. Here's what the research actually shows — and where the evidence is thin.
April 20, 2026·6 min read
Peptide guide
GHK-Cu copper peptide: what the research actually shows for skin and hair
GHK-Cu is the fastest-growing peptide in search volume. The copper complex is a legitimate biological signal — but the hype outruns the clinical data. Here's the real picture.
April 20, 2026·6 min read
Science
The GLP-1 class explained: how semaglutide, tirzepatide, and retatrutide differ
Semaglutide, tirzepatide, and retatrutide share a pharmacology family but each activates different metabolic receptors. Here's what the difference actually means.
April 20, 2026·7 min read
Protocol
How to reconstitute peptides: a complete step-by-step guide
Peptide reconstitution is the step most people get wrong. Bacteriostatic water, sterile technique, dose math, storage — here's the evidence-based walkthrough.
April 20, 2026·7 min read
Peptide guide
Ipamorelin: the cleanest GHRP in the research catalogue
Ipamorelin is the most selective ghrelin mimetic in the GHRP class. No meaningful cortisol or prolactin elevation. Here's the mechanism, dose framework, and evidence.
April 20, 2026·5 min read
Peptide guide
MK-677 (ibutamoren): the oral GH secretagogue explained
MK-677 is the only orally active growth hormone secretagogue in the catalogue. Here's how the mechanism, the dosing pattern, and the side-effect trade-offs actually work.
April 20, 2026·6 min read
Peptide guide
NAD+ injections: mechanism, evidence, and why the dose matters
NAD+ is the coenzyme powering cellular energy metabolism. Injection has become a longevity protocol anchor. Here's what the research actually shows about mechanism and dosing.
April 20, 2026·6 min read
Safety
Who shouldn't take peptides: evidence-based contraindications
Peptides aren't for everyone. Active cancer, pregnancy, uncontrolled diabetes, severe kidney or liver impairment: what the evidence says about who should avoid which classes.
April 20, 2026·6 min read
Protocol
Peptide dosing math: mcg, mg, IU, and syringe units explained
Peptide dose math is simple once you separate the three unit systems. Here's how mcg, mg, and IU relate — and how to read them off an insulin syringe.
April 20, 2026·6 min read
Peptide guide
Retatrutide: What the triple-agonist trials actually show
Retatrutide is the first triple GIP-GLP-1-glucagon agonist. Phase 3 trials show 28.7% weight loss at 68 weeks. Here's what the evidence actually shows.
April 20, 2026·8 min read
Peptide guide
Semaglutide: the complete evidence-based guide
Semaglutide is the first widely adopted GLP-1 receptor agonist for obesity and type-2 diabetes. Here's how it works, what the trials show, and who it fits.
April 20, 2026·6 min read
Comparison
Semaglutide vs tirzepatide: the real head-to-head comparison
Semaglutide vs tirzepatide: a direct head-to-head trial settled the efficacy question. Tirzepatide won on weight loss. Here's what else the evidence actually shows.
April 20, 2026·7 min read
Peptide guide
TB-500 (thymosin beta-4 fragment): mechanism, evidence, and protocol
TB-500 is the synthetic thymosin beta-4 fragment used in tissue-repair research. Here's the actin-binding mechanism, the preclinical evidence, and typical protocols.
April 20, 2026·6 min read
Peptide guide
Tesamorelin: the only FDA-approved growth-hormone-releasing peptide
Tesamorelin is a stabilised GHRH analogue with FDA approval for HIV-associated lipodystrophy. Here's the mechanism, the dosing, and why it's different from CJC-1295.
April 20, 2026·6 min read
Peptide guide
Tirzepatide: the complete evidence-based guide
Tirzepatide is the first dual GIP/GLP-1 receptor agonist. Phase 3 trials show 22.5% mean weight loss at 72 weeks. Here's the full breakdown.
April 20, 2026·6 min read