Blog · The peptide library
One question at a time, each answered in an article of its own: what a peptide is, how to mix and measure it, what the labels and trials say, and where the evidence stops. Every article links the sources it was checked against.
01Latest articles
The newest articles from across the five categories. Each one is researched from the sources listed at its foot.
Reconstitution, Dosing & StorageHow-To
On a U-100 insulin syringe, 1 unit is 0.01 mL. Here is how to turn a peptide dose in mcg or mg into units, read the barrel correctly and avoid U-40 mix-ups.
Read the article10 min read
GLP-1 PeptidesComparison
A side-by-side look at semaglutide and tirzepatide using FDA labels and head-to-head trials. It covers how they work, brands, label schedules, side effects and why pen and vial math differ.
Read the article10 min read
Peptide Basics & ScienceExplainer
A plain-English guide to peptides: what they are made of, where the line with proteins falls, how they signal in the body, and how peptide medicines are made, measured and regulated.
Read the article10 min read
Recovery, Muscle & GH PeptidesEvidence Review
BPC-157 looks promising in rats, but human evidence is thin and long-term safety is unknown. Here is what the studies show and where its legal status stands in October 2026.
Read the article9 min read
Skin, Longevity, Brain & Sexual HealthEvidence Review
GHK-Cu is a copper-binding tripeptide found in human plasma and sold in skin care as copper tripeptide-1. The lab data are strong, but the human trials are few, small and often tied to its developers.
Read the article10 min read
02All articles
Pick a category or search by peptide, medicine or calculation. Every card opens the full article.
Showing 5 of 5
Reconstitution, Dosing & StorageHow-To
How to Read an Insulin Syringe for Peptide Doses (U-100 and U-40)
On a U-100 insulin syringe, 1 unit is 0.01 mL. Here is how to turn a peptide dose in mcg or mg into units, read the barrel correctly and avoid U-40 mix-ups.
Read the article10 min read
GLP-1 PeptidesComparison
Semaglutide vs Tirzepatide: How the Two GLP-1 Medicines Differ
A side-by-side look at semaglutide and tirzepatide using FDA labels and head-to-head trials. It covers how they work, brands, label schedules, side effects and why pen and vial math differ.
Read the article10 min read
Peptide Basics & ScienceExplainer
What Are Peptides? How They Work and How They Differ From Proteins
A plain-English guide to peptides: what they are made of, where the line with proteins falls, how they signal in the body, and how peptide medicines are made, measured and regulated.
Read the article10 min read
Recovery, Muscle & GH PeptidesEvidence Review
BPC-157: What the Research Shows and Where It Stands Legally
BPC-157 looks promising in rats, but human evidence is thin and long-term safety is unknown. Here is what the studies show and where its legal status stands in October 2026.
Read the article9 min read
Skin, Longevity, Brain & Sexual HealthEvidence Review
GHK-Cu Copper Peptide for Skin: What the Evidence Shows
GHK-Cu is a copper-binding tripeptide found in human plasma and sold in skin care as copper tripeptide-1. The lab data are strong, but the human trials are few, small and often tied to its developers.
Read the article10 min read
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