Journal

The Longevity Brief

Science, protocols, and product updates from the Vivy team. No wellness fluff — only what actually moves the needle on healthspan.

Protocol Guides

How to Track BPC-157 Results: A Science-Backed Guide

BPC-157 clears in roughly 4–5 hours. That fact changes everything about how you should approach tracking. Here's the minimum viable data set.

April 14, 2026·12 min read

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Compound Comparisons

Semaglutide vs Tirzepatide vs Retatrutide: Head-to-Head Comparison

Three compounds. Different mechanisms. The same goal. Here's what the literature actually says about weight loss, side effects, half-life, and sustainability.

April 14, 2026·15 min read

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Regulatory

The Peptide FDA Status Tracker: What Changed in 2025–2026

The regulatory landscape for peptides shifted significantly over the past 18 months. Here's a factual, non-advocacy breakdown of what happened.

April 14, 2026·10 min read

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