Author: Carlos

Carlos leads editorial and content review at VialHelp. He focuses on the accuracy of the site's measurement math — concentration, volume and reconstitution calculations — and on making sure every reference page cites primary or authoritative sources before it is published. He reviews VialHelp's tools and guides for clarity and for consistent informational-only framing. VialHelp is an independent educational resource for the peptide research community and does not provide medical advice.

Guides

GLP-1 Side Effects: Semaglutide and Tirzepatide Explained
ByCarlos June 18, 2026October 25, 2026

A clear, sourced look at GLP-1 side effects for semaglutide and tirzepatide — the common GI effects, why they happen, and how tolerability is managed.

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Guides

IU vs mL: Why “Units” Are Not a Dose
ByCarlos June 15, 2026June 16, 2026

A unit on an insulin syringe is a volume mark, not an amount of peptide. Why mg/mL is the only valid measurement.

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