Peptide FAQ
220 plain-English answers to the most-searched peptide research questions on the internet.
General
What is a peptide?
How are peptides different from proteins?
Are research peptides legal?
Are peptides FDA-approved?
How are peptides typically administered in research?
What is bacteriostatic water?
How are peptides stored?
What does 'lyophilized' mean?
What is a stack?
What is a research peptide?
Are peptides safe?
How long do peptides last in the body?
What is a GHRP?
What is a GHRH analog?
What does 'pegylated' mean?
What does 'DAC' mean?
What does 'AKA' mean on peptide labels?
What is the difference between a peptide and a hormone?
Why are peptides injected instead of swallowed?
What is a 'research-grade' peptide?
What is reconstitution?
What is a peptide blend?
What is the WADA prohibited list?
Can peptides be detected in drug tests?
What is 'desensitization' with peptides?
What is a 'cycle'?
What's the difference between subcutaneous and intramuscular injection?
What is an insulin syringe?
Are nasal peptides effective?
What does 'bioavailability' mean?
Healing & Recovery
What is BPC-157 used for in research?
What is the difference between BPC-157 and TB-500?
Why are BPC-157 and TB-500 stacked?
Is BPC-157 oral or injectable?
What is GHK-Cu?
What is TB-500 Fragment 17-23?
How long does BPC-157 take to work in research?
Can BPC-157 help with leaky gut?
What is the 'Wolverine stack'?
Is TB-500 the same as thymosin beta-4?
What is KPV?
What is LL-37?
What is ARA-290?
What is Glutathione?
What is Cerebrolysin?
What is Pentadeca?
Can BPC-157 help joint pain?
What's the difference between BPC-157 oral and injectable?
Can TB-500 help hair regrowth?
What is Thymosin Beta-4?
Is BPC-157 banned in sports?
Is TB-500 banned in sports?
What is the half-life of BPC-157?
Can BPC-157 cross the blood-brain barrier?
Weight Loss & Metabolism
What is semaglutide?
What is tirzepatide?
What is retatrutide?
Semaglutide vs tirzepatide: which is stronger?
What is the difference between Ozempic and Wegovy?
What is Mounjaro?
How does semaglutide work?
What is 'food noise'?
What is Ozempic face?
What is cagrilintide?
What is CagriSema?
What is survodutide?
What is mazdutide?
What is liraglutide?
What is dulaglutide?
What is AOD-9604?
What is HGH Fragment 176-191?
What is 5-Amino-1MQ?
What is adipotide?
What is tesofensine?
Does semaglutide reduce alcohol cravings?
How much weight do people lose on semaglutide?
How much weight do people lose on tirzepatide?
Why does tirzepatide work better than semaglutide?
What is L-Carnitine?
Are GLP-1 drugs for life?
What is muscle loss on GLP-1s?
What is the difference between an incretin and an amylin analog?
Growth Hormone & Muscle
What is the difference between Sermorelin and CJC-1295?
Why combine CJC-1295 with Ipamorelin?
What is Ipamorelin?
What is the difference between CJC-1295 with DAC and without DAC?
What is Tesamorelin used for?
What is Hexarelin?
What is GHRP-2 vs GHRP-6?
What is HGH 191aa?
What is IGF-1 LR3?
What is MGF?
What is PEG-MGF?
What is ACE-031?
What is Follistatin-344?
Is HGH banned in sports?
What is the best time to inject GH peptides?
Do GH peptides cause water retention?
What is the difference between secretagogue and HGH?
What is Tesamorelin vs CJC-1295?
What is myostatin?
What is Ibutamoren / MK-677?
What is Gonadorelin?
What is HCG used for in research?
Brain & Cognitive
What is Semax?
What is Selank?
Semax vs Selank: what's the difference?
What is Dihexa?
What is P21?
What is PE-22-28?
What is PHDP5?
What is Cerebrolysin used for?
What is FGL?
What is BDNF?
How is Semax administered?
How is Selank administered?
Can Semax be injected?
Is Semax FDA-approved?
Is Selank FDA-approved?
What is the difference between Semax and NA-Semax?
What is Cortexin?
What is DSIP?
What is Pinealon?
What is Cortagen?
Sexual Function & Hormones
What is PT-141?
How does PT-141 work?
What is Kisspeptin?
What is Oxytocin used for in research?
PT-141 vs Oxytocin: what's the difference?
Does PT-141 affect men and women?
What is the difference between Melanotan 1 and Melanotan 2?
What is Bremelanotide?
What is HMG?
What is the difference between HCG and Gonadorelin?
Does PT-141 cause nausea?
What is Vyleesi?
What is Afamelanotide?
Why is Melanotan 2 popular online?
Longevity & Aging
What is Epitalon?
What is a Khavinson peptide?
What is Vilon?
What is Vesugen?
What is Vesilute?
What is Livagen?
What is Cartalax?
What is Cardiogen?
What is Bronchogen?
What is Crystagen?
What is Chonluten?
What is Ovagen?
What is Prostamax?
What is Thymalin?
What is Thymosin Alpha-1?
What is FOXO4-DRI?
What is PNC-27?
What is NAD+?
What is the difference between Epitalon and Thymalin?
How long should Epitalon cycles be?
Does Epitalon really extend telomeres?
Does NAD+ work better IV or subcutaneous?
What is the best longevity peptide stack?
Are Khavinson peptides oral or injectable?
Mitochondrial & Energy
What is MOTS-c?
What is Humanin?
What is SS-31?
What is Elamipretide?
What is SLU-PP-332?
What is AICAR?
MOTS-c vs AICAR: what's the difference?
What is NMN vs NAD+?
How does L-Carnitine support fat metabolism?
What is the half-life of MOTS-c?
Is SS-31 FDA-approved?
What is Glutathione's role in mitochondria?
What is EPO?
What is the difference between EPO and ARA-290?
What is the best exercise mimetic peptide?
What is Cibinetide?
Skin, Hair & Beauty
What is GHK-Cu used for?
What is AHK-Cu?
GHK-Cu vs AHK-Cu: which is better for hair?
What is Matrixyl?
What is Argireline?
What is Snap-8?
What is the KLOW Blend?
What is the Glow Blend?
What is PTD-DBM?
PTD-DBM vs minoxidil: what's the difference?
What is Palmitoyl Tetrapeptide-20?
Can GHK-Cu regrow hair?
Is GHK-Cu safe topically?
Can Argireline replace Botox?
What is the best peptide for collagen?
Is copper peptide research the same as copper supplements?
Immune & Inflammation
What is LL-37 studied for?
What is KPV used for?
Is Thymalin the same as Thymosin Alpha-1?
What is Zadaxin?
What is the difference between KPV and BPC-157 for gut?
Can LL-37 cause inflammation?
What is Cortexin?
What is Vilon's role in immunity?
What is the best peptide for immune support?
What is Crystagen?