Research & Guides

The peptide library, written by clinicians.

62 long-form articles on peptide therapy — what each compound does at the cellular level, who it's for, what the FDA says about it, and where the gray-market vendors get the story wrong. Every guide is reviewed by a US-licensed physician and updated as evidence evolves.

Articles

What Is Glutathione? How It Works, Its Forms, and How the Routes Compare

What glutathione is, what it does in your cells, and how oral, injectable and IV forms differ, with the honest state of the evidence. Physician-prescribed, 503A compounded.

Dr. Richard Dentico, MD · 12 min read

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Strength · 10 min read

Sermorelin: The GHRH Analog With a Stranger History Than You Think

Sermorelin is a GHRH analog that signals the pituitary to release your own growth hormone. What the human evidence shows, what it does not, and real costs.

Longevity · 16 min read

What Is NAD+? The Coenzyme, Why It Declines and What the Evidence Shows

What NAD+ is, why your levels fall with age, and how oral precursors, injections and IV compare. The mechanism, and the honest state of the evidence.

Guides · 11 min read

Is Peptide Therapy Safe? The Answer Depends on Who's Running the System

Is peptide therapy safe? The honest answer depends on physician screening, 503A sourcing, and structured monitoring. Here's what that looks like in practice.

Guides · 16 min read

503A Compounded Peptides: What the FDA's Review Actually Means

503A compounded peptides are legal, but the rules are specific. What the 503A and 503B framework and the FDA bulk substance categories mean for patients.

Guides · 13 min read

What Is Peptide Therapy? The Honest Explanation

Peptide therapy uses short-chain amino acid signals your body already reads. Here's the real biology, the evidence limits, and how to tell a legitimate program from a vial with a wink.

Guides · 14 min read

Are Peptides Legal in 2026? The Actual Regulatory Framework

Are peptides legal in the US? The answer is per-peptide and per-pathway. Here's how 503A compounding, the bulks list, the 2026 FDA reclassification, and gray-market law actually work.

503A US Pharmacy
Physician-Prescribed
USP-Compliant Compounding

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