Research & Guides · Guides

Guides, written by clinicians.

7 physician-reviewed articles on guides — what each compound does at the cellular level, who it's for, and what the evidence does and doesn't establish.

Articles

Pages

Avg Read

12 Min

Updated

2026

Understanding how to read a blood test report

Featured · Guides

How to Read Blood Test Results: A Physician's Guide to Understanding Your Labs

How to read blood test results: what reference ranges mean, why the H and L flags aren't a diagnosis, and what the common panels actually measure. A physician's guide to understanding your labs.

Dr. Richard Dentico, MD · 9 min read

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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.

Lab report and blood test results laid out on a desk while reviewing biomarker data

Guides · 11 min read

Function Health Reviews: What It Does Well, and Where It Stops

What Function Health actually includes, where it genuinely wins, and the gap that shows up in most negative reviews.

Molecular chain illustration representing the amino-acid structure of GLP-1 peptide hormones

Guides · 8 min read

Is GLP-1 a Peptide? Yes — and the Distinction People Draw Is Wrong

GLP-1 is a peptide hormone, and the drugs built from it are peptides. The split you see advertised is regulatory, not chemical — here is what actually separates them.