Compare Peptides Side by Side

Molecular data and research focus for popular peptides, in one table.

Use this table to compare the size, molecular weight, research area and anti-doping status of popular peptides. Click any name for its full profile.

Peptide	Length	Molecular weight	Research area	WADA status
BPC-157	15 amino acids	1419.5 g/mol	Regenerative	S0 (non-approved substances)
TB-500	7 amino acids (acetylated)	889.0 g/mol	Regenerative	S2 (thymosin beta-4 and derivatives)
GHK-Cu	3 amino acids + copper ion	403.9 g/mol	Dermal & Cosmetic	Not listed
MOTS-c	16 amino acids	2174.6 g/mol	Metabolic & Cellular	Not listed
NAD+	Dinucleotide (not a peptide)	663.4 g/mol	Metabolic & Cellular	Not listed
CJC-1295 (No DAC) + Ipamorelin	29 + 5 amino acids	3367.9 / 711.9 g/mol	Endocrine	S2 (GHRH analogues and GH secretagogues)
Epitalon	4 amino acids	390.3 g/mol	Cellular	Not listed
Selank	7 amino acids	751.9 g/mol	Neuropeptide	Not listed
Semax	7 amino acids	813.9 g/mol	Neuropeptide	Not listed
KPV	3 amino acids	342.4 g/mol	Cellular	Not listed

Head to Head

Popular Peptide Comparisons

BPC-157 vs TB-500

BPC-157 is a 15-amino-acid fragment of a gastric protein; TB-500 is a 7-amino-acid fragment of thymosin beta-4. Both are studied in preclinical tissue-repair models, both lack meaningful human trial data, and both are prohibited by WADA (S0 and S2 respectively). They are often researched together, which is why a combined blend exists.

Selank vs Semax

Both are 7-amino-acid peptides developed in Russia and stabilized with a Pro-Gly-Pro tail. Selank is based on tuftsin, an immune peptide; Semax is based on a fragment of ACTH. Neither is authorized in Canada, and most published research on both comes from Russian institutions.

GHK-Cu vs Epitalon

GHK-Cu is a copper-binding tripeptide widely studied in dermatology and cosmetic science. Epitalon is a tetrapeptide studied mainly in telomere and pineal research. GHK-Cu has the broader independent literature; Epitalon's comes largely from one research group.

MOTS-c vs NAD+

MOTS-c is a 16-amino-acid peptide encoded by mitochondrial DNA. NAD+ isn't a peptide at all — it's a coenzyme — but both are studied in metabolism and cellular-energy research, so they're frequently compared.

Peptide Comparison FAQs

Are peptides banned in sport?

Several are. The World Anti-Doping Agency (WADA) prohibits BPC-157 (S0), TB-500 and thymosin beta-4 derivatives (S2), and growth hormone secretagogues such as CJC-1295 and ipamorelin (S2). Tested athletes should check the current WADA list.

What's the difference between HPLC and mass spectrometry?

HPLC measures purity — how much of the sample is the target peptide versus impurities. Mass spectrometry confirms identity — that the molecule has the right molecular weight. You need both to trust a peptide.

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