Research peptide guides

Clear, sourced answers to what people in Puerto Rico ask most about research peptides: what they are, what FDA says, what has been published and how to check a lot. No guide gives doses: everything we sell is for laboratory research only.

• What are peptides and what are they used for?

  What peptides are, how they differ from proteins and collagen, which ones are approved medicines and what research peptides are.

• Is it legal to buy peptides in Puerto Rico?

  What is and is not legal with peptides in Puerto Rico: research peptides, prescription medicines, compounding pharmacies, FDA and sport.

• Retatrutide vs tirzepatide: differences, trials and cagrilintide

  Retatrutide vs tirzepatide: receptors, FDA status, what the published trials showed and where cagrilintide fits. With sources.

• Peptides for weight loss: what the research says

  Which peptides have been studied for weight loss, how they work, what the trials showed (semaglutide, tirzepatide, retatrutide) and which are approved.

• Tesamorelin: what it is, what it is for and what FDA says

  What tesamorelin (TH9507) is, what FDA approved it for as Egrifta, how it differs from GHRH and what to check on its COA.

• GHK-Cu, the copper peptide: what it is and what it is for

  What GHK-Cu (the copper peptide) is, how cosmetic use differs from a research vial, what FDA says and what to check on its COA.

• MOTS-c: what the mitochondrial peptide is and what it is for

  What MOTS-c, the peptide encoded in mitochondrial DNA, is: what has been published, what FDA says, known side effects and what to check on its COA.

• BPC-157 and TB-500: what they are, what they are for and what is known

  What BPC-157 and TB-500 are, what the published research says, their FDA status, why they are combined and what to check on their COA.

• CJC-1295 and ipamorelin: what they are and what they are for

  What CJC-1295 (with and without DAC) and ipamorelin are, how they act on the growth hormone axis, what FDA says and what to check on their COA.

• Bacteriostatic water: what it is and how a peptide is reconstituted

  What bacteriostatic water is, how it differs from sterile water and saline, how a lyophilized peptide is reconstituted in the lab and how long it lasts.

• How to read a peptide certificate of analysis (COA)

  What a certificate of analysis (COA) is, what HPLC purity and mass spectrometry identity mean, and how to tell whether a COA belongs to your vial.