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Peptide questions

Peptide questions, answered plainly.

47 questions on what peptides are, how they are tested, stored and regulated, and how to judge a supplier.

Educational information only

Educational information only. Nothing here is medical advice, dosing guidance or a recommendation to use any substance. Research peptides are not approved medicines and are not for human or animal consumption. Speak to a qualified professional and follow the law where you are.

Peptide basics What peptides are and how research material is described.

Peptide basicsWhat is a peptide?Peptide basics. Educational only.Read →Peptide basicsWhat is the difference between a peptide and a protein?Peptide basics. Educational only.Read →Peptide basicsWhat does lyophilized mean?Peptide basics. Educational only.Read →Peptide basicsWhat is a "research peptide"?Peptide basics. Educational only.Read →
Answer comingPeptide basicsWhat is a peptide blend?Peptide basics. The answer is being written and checked.Coming soon
Answer comingPeptide basicsWhat does molecular weight tell you about a peptide?Peptide basics. The answer is being written and checked.Coming soon

Peptide talks The market, the FDA and testing

Compound profiles Plain descriptions of common research compounds: structure, origin and regulatory status.

Compound profilesWhat is BPC-157?Compound profiles. Educational only.Read →Compound profilesWhat is TB-500?Compound profiles. Educational only.Read →Compound profilesWhat is GHK-Cu?Compound profiles. Educational only.Read →Compound profilesWhat is Semax?Compound profiles. Educational only.Read →
Answer comingCompound profilesWhat is KPV?Compound profiles. The answer is being written and checked.Coming soon
Compound profilesWhat is SS-31?Compound profiles. Educational only.Read →
Answer comingCompound profilesWhat is 5-Amino-1MQ?Compound profiles. The answer is being written and checked.Coming soon
Answer comingCompound profilesWhat is AOD-9604?Compound profiles. The answer is being written and checked.Coming soon

Testing + certificates How purity and identity are measured, and how to read the paperwork.

Testing + certificatesWhat is a certificate of analysis (COA)?Testing + certificates. Educational only.Read →Testing + certificatesHow do you read a peptide COA?Testing + certificates. Educational only.Read →Testing + certificatesWhat is HPLC purity?Testing + certificates. Educational only.Read →Testing + certificatesWhat does mass spectrometry confirm?Testing + certificates. Educational only.Read →Testing + certificatesWhat is third-party testing?Testing + certificates. Educational only.Read →
Answer comingTesting + certificatesWhy do batch numbers matter?Testing + certificates. The answer is being written and checked.Coming soon
Answer comingTesting + certificatesWhat is heavy metals testing?Testing + certificates. The answer is being written and checked.Coming soon
Testing + certificatesIs HPLC purity the same as net peptide content?Testing + certificates. Educational only.Read →
Answer comingTesting + certificatesHow do you verify a Janoshik certificate?Testing + certificates. The answer is being written and checked.Coming soon
Answer comingTesting + certificatesWhy should the lot number on a vial match the COA?Testing + certificates. The answer is being written and checked.Coming soon
Answer comingTesting + certificatesWhat does it mean if two batches show identical chromatograms?Testing + certificates. The answer is being written and checked.Coming soon
Testing + certificatesWhat is endotoxin testing?Testing + certificates. Educational only.Read →
Answer comingTesting + certificatesWhat is the difference between in-house and third-party testing?Testing + certificates. The answer is being written and checked.Coming soon

Lab handling + storage How research material is stored and handled in a laboratory setting.

Lab handling + storageHow are lyophilized peptides stored?Lab handling + storage. Educational only.Read →
Answer comingLab handling + storageHow does temperature affect peptide stability?Lab handling + storage. The answer is being written and checked.Coming soon
Answer comingLab handling + storageWhat is the difference between bacteriostatic and sterile water in a lab?Lab handling + storage. The answer is being written and checked.Coming soon
Answer comingLab handling + storageWhat does reconstitution mean in a laboratory?Lab handling + storage. The answer is being written and checked.Coming soon
Answer comingLab handling + storageHow is solution concentration calculated?Lab handling + storage. The answer is being written and checked.Coming soon
Answer comingLab handling + storageHow long does a reconstituted peptide stay stable in a lab fridge?Lab handling + storage. The answer is being written and checked.Coming soon
Answer comingLab handling + storageWhy are reconstituted peptides usually not refrozen?Lab handling + storage. The answer is being written and checked.Coming soon
Answer comingLab handling + storageHow do light and moisture affect stored peptides?Lab handling + storage. The answer is being written and checked.Coming soon

Regulation How peptides are classified and what "research use only" means.

RegulationWhat does "research use only" mean?Regulation. Educational only.Read →RegulationHow are peptides regulated in the UK?Regulation. Educational only.Read →
Answer comingRegulationWhat role does the MHRA play?Regulation. The answer is being written and checked.Coming soon
Answer comingRegulationHow does the FDA treat research peptides?Regulation. The answer is being written and checked.Coming soon
Answer comingRegulationWhy do sports bodies list some peptides?Regulation. The answer is being written and checked.Coming soon

Choosing a supplier What separates a documented research supplier from the rest.

Answer comingChoosing a supplierHow do you verify a research peptide supplier?Choosing a supplier. The answer is being written and checked.Coming soon
Answer comingChoosing a supplierWhat paperwork should a supplier publish?Choosing a supplier. The answer is being written and checked.Coming soon
Choosing a supplierWhat are the red flags in a supplier?Choosing a supplier. Educational only.Read →
Answer comingChoosing a supplierWhat changes when a supplier ships from overseas?Choosing a supplier. The answer is being written and checked.Coming soon
Answer comingChoosing a supplierWhy is a price far below the market a warning sign?Choosing a supplier. The answer is being written and checked.Coming soon
Answer comingChoosing a supplierWhat purity level do research suppliers usually publish?Choosing a supplier. The answer is being written and checked.Coming soon
Answer comingChoosing a supplierDoes a genuine COA prove what is in my vial?Choosing a supplier. The answer is being written and checked.Coming soon

Watch: the basics Peptides and amino acids

Watch: testing + certificates HPLC, mass spec and COAs