Guides
Plain-language guides to peptide research. Every claim is sourced. If the topic is new to you, start with the first guide.
Basics and comparisons
What are peptides?
Basics, history and 36 examples of approved peptide medicines.
Peptide side effects
What studies report and when to see a doctor.
BPC-157 vs TB-500: what is the difference?
Human and animal studies, the only head-to-head study, harms, the WOLVERINE blend, law and doping.
Exercise mimetics: AICAR, SLU-PP-332 and MOTS-c
What mouse studies found, why it may not carry over to humans, and WADA.
Peptide blends: what is in the vial
What sellers declare, what research says and why the declaration has not been independently tested.
Skin and collagen
Collagen and peptides for skin
Oral collagen, creams and serums, GHK-Cu and clinic treatments: what research shows about skin firmness.
Skin and collagen: user experiences
What people themselves report about collagen and skin peptides.
Weight-loss drugs
Weight-loss drugs (GLP-1): which is which
Ozempic, Wegovy, Mounjaro and others: differences and research.
Weight-loss drugs: user experiences
What people themselves report about semaglutide, tirzepatide and other weight-loss drugs. Not research.
What a weight-loss drug costs and how to get one
Prices, reimbursement by Kela (Finland's social insurance institution) and prescription routes in Finland.
Ozempic vs Wegovy vs Mounjaro: what is the difference?
Same substance or not, head-to-head trials and side effects side by side.
Weight-loss drug side effects and how they are managed
Nausea, gallstones, pancreatitis, eyesight and when to see a doctor.
Stopping a weight-loss drug: does the weight come back?
Withdrawal trials and keeping weight off.
Weight-loss drugs without a prescription: risks and the law
The Medicines Act, counterfeits and the legal routes.
Upcoming weight-loss drugs
Orforglipron, CagriSema, retatrutide and others: phase and results.
Handling and quality
Mixing and storing peptides
Bacteriostatic water, reconstitution and storage.
How to read a COA
Reading a certificate of analysis and independent testing.
Law and travel
Are peptides legal in Finland?
Finnish law: Fimea, customs, the Criminal Code and doping.
Are peptides legal in Europe?
Selling, import, doping and the doctor route in 16 European countries.
Travelling with peptides
Your own medicines, needles and research peptides in Finland and nine other countries.