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Truetides

Journal

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How peptide products are made, tested and labelled — the science behind the shelf.

Formulation

Why Peptides Are Fragile: Stability, Cold Chain and Shelf Life

Heat, light, oxygen, pH and freeze-thaw all degrade peptides through specific chemical routes. Here is what actually happens to the molecule.

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Quality

Inside cGMP: What the Standard Actually Requires

The phrase appears on almost every label. Here is the substance behind it, and why dietary supplement cGMP is a different standard from drug cGMP.

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Quality

Purity vs Potency: Two Different Numbers

A 99 percent pure peptide can still deliver far less active than the label claims. The two figures answer different questions.

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Manufacturing

How Peptides Are Made: Solid-Phase Synthesis in Plain English

Where the molecule in the bottle comes from, why longer sequences cost more, and what impurities the process leaves behind.

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Formulation

Excipients Are Not Filler: What Else Is in the Capsule

Rice powder, magnesium stearate, silicon dioxide, hypromellose. What each is doing, and why removing them is not an upgrade.

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Delivery

Copper Peptides and the Topical Delivery Question

GHK-Cu has a genuine research history in skin biology. What is established, and what the topical route can realistically achieve.

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Pharmacology

Methylene Blue: Pharmacology, Dose and the Serotonin Problem

An old compound with genuine pharmacology, a strongly dose-dependent effect, and one interaction that is not negotiable.

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