Protocol MD

Research & Guides

The peptide library, written by clinicians.

48 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

48

Categories

4

Avg Read

9 Min

Updated

2026

Hydration and electrolyte support while taking semaglutide

Featured · Weight Loss

Semaglutide and Diarrhea: Why It Happens and When to Be Concerned

Diarrhea is a common semaglutide side effect — and the same medication can also cause constipation. Here's why both happen, what helps, and the dehydration signs that mean you should be seen.

Dr. Richard Dentico, MD · 7 min read

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Fiber and hydration support while taking semaglutide

Weight Loss · 7 min read

Semaglutide and Constipation: Why It Happens and What Helps

Constipation is one of the most common side effects of semaglutide. Here's the mechanism behind it, what actually helps, and the symptoms that mean you should be seen rather than wait it out.

A person parting their hair to look at the scalp

Weight Loss · 7 min read

Does Semaglutide Cause Hair Loss? What the Evidence Shows

Semaglutide is not thought to attack hair follicles directly. The shedding some people notice is usually telogen effluvium triggered by rapid weight loss, and it is typically temporary.

Understanding GLP-1 microdosing and physician-guided dosing

Weight Loss · 7 min read

What Is Microdosing GLP-1? What It Means and Why Physicians Are Cautious

Microdosing GLP-1 means using doses below the standard prescribed schedule, often unsupervised. Here's what the term means, what the evidence shows, and why dose belongs with a physician.

Protein-focused meal for someone on a GLP-1

Weight Loss · 8 min read

How Many Calories Should You Eat on a GLP-1?

How many calories to eat on a GLP-1: most people don't need to cut further because the medication already reduces intake. The bigger risk is under-eating. A physician's guide.

Understanding how to read a blood test report

Guides · 9 min read

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.

What food noise is and how to quiet it

Weight Loss · 8 min read

Food Noise: What It Is, What Causes It, and How to Quiet It

Food noise is the persistent, intrusive stream of thoughts about food that feels hard to switch off. A physician's guide to what causes it, how to quiet it naturally, and where GLP-1 options fit.

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