The Peptide Column

The Peptide Column

peptide-101

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Peptide 101: Thymosin Alpha-1 (Zadaxin)

Jul 13, 2026

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3 min read

Peptide 101: Thymosin Alpha-1 (Zadaxin)

A brief explaination on Thymosin Alpha-1 — what it is, how it works, and what the evidence shows — plus new research on related peptides.

Peptide 101: Sermorelin Acetate

Jul 6, 2026

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3 min read

Peptide 101: Sermorelin Acetate

A clear and concise explainer on Sermorelin — what it is, how it works, and what the evidence shows — plus the news worth your time.

Peptide 101: PT-141 (Bremelanotide)

Jun 22, 2026

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5 min read

Peptide 101: PT-141 (Bremelanotide)

The peptide behind Vyleesi — an FDA-approved injection that works on the brain, not the body, to treat low sexual desire in women. What it does, what the trials really showed, and who it's not for.

glp-1

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Peptide 101: Tirzepatide

Jun 15, 2026

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4 min read

Peptide 101: Tirzepatide

A from-the-ground-up explainer on Tirzepatide — what it is, how it works, and what the evidence shows — plus the news worth your time.

peptide-101

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Peptide 101: BPC-157 (Body Protection Compound-157)

Jun 8, 2026

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3 min read

Peptide 101: BPC-157 (Body Protection Compound-157)

A from-the-ground-up explainer on BPC-157 — what it is, how it works, and what the evidence shows — plus the news worth your time.