Comparisons
Semaglutide vs Tirzepatide: What Is the Difference?
Semaglutide (often misspelled semiglutide) is a GLP-1 analogue; tirzepatide adds GIP agonism. Structure, receptor bias and the SURMOUNT-5 trial explained.
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The research collection
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Explore selected peptides and biochemical research materials.
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Growth Hormone Axis
Ipamorelin
5mg, 10mg
99.70% (HPLC)
From $58 Select options This product has multiple variants. The options may be chosen on the product page -
Tissue Repair & Recovery
BPC-157
5mg, 10mg, 20mg
99.6% (HPLC)
From $69 Select options This product has multiple variants. The options may be chosen on the product page
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Metabolic Research
Tirzepatide · Retatrutide
11 productsGrowth Hormone Axis
Tesamorelin · CJC-1295
15 productsTissue Repair & Recovery
BPC-157 · TB-500
7 productsCognitive & Neuro
Selank · Semax
10 productsLongevity & Mitochondrial
NAD+ · MOTS-c
11 productsHormone & Reproductive
Kisspeptin-10 · Gonadorelin Acetate
7 productsImmune Research
Thymosin Alpha-1 · LL-37
4 productsSkin & Cosmetic Peptides
GHK-Cu · AHK-Cu
3 productsLipotropics & Cofactors
L-Carnitine · Lipo-C
4 productsLab Supplies
Bacteriostatic Water
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Research Reviews
What Is Unusual About Glutathione’s Structure?
Glutathione's glutamate is linked through its gamma-carboxyl, not the usual alpha one. Why that bond, the cysteine thiol and NAC's role as a precursor matter.
Peptide Profiles
What Is AHK-Cu? The Ala-His-Lys Copper Tripeptide
AHK-Cu explained: the alanyl-histidyl-lysine copper complex, the single hair follicle study behind it, how it differs from GHK-Cu and what remains untested.
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