Get 20% off + free shipping at launch.Join the Founder's List

The Research

Honest answers to GLP-1 nutrition questions.

Research-backed articles written for people navigating a GLP-1 in real life. Every claim cites a peer-reviewed study. No hype, no drug-brand talk.

Research

Abstract navy shapes representing muscle fiber strength
Research

Creatine on a GLP-1: Should You Take It? The Research

Creatine is one of the most-studied ingredients in nutrition. Here is what the research actually says about using it while on a GLP-1.

7 min read · Updated Jul 11, 2026
Two navy bars representing lean mass composition change
Research

How Much Muscle Do You Lose on a GLP-1? The Research Explained

The STEP-1 trial gave us the clearest look yet at what happens to lean mass when the scale drops on a GLP-1. Here is what it actually showed.

8 min read · Updated Jul 11, 2026
Abstract navy muscle-fiber lattice with a yellow node marking a protected strand
Research

HMB on a GLP-1: What the Research Actually Shows

HMB is a leucine metabolite with a specific job: slowing muscle breakdown. Here is the honest read, including where the effect is small.

7 min read · Updated Jul 19, 2026
Abstract navy honeycomb bone structure with yellow mineral points at the nodes
Research

Vitamin D3 and K2 for Bone Density on a GLP-1

Rapid weight loss can pull from bone, not just fat. Here is the research on the bone question, and the honest state of the D3-plus-K2 evidence.

7 min read · Updated Jul 19, 2026
Abstract navy ascending steps with a yellow figure at the base of the climb
Research

Resistance Training on a GLP-1: A Beginner's Framework

The single highest-value habit for keeping strength while the scale drops. You do not need a gym. Here is the research and a simple start.

8 min read · Updated Jul 19, 2026
Abstract navy descending line that levels into a steady yellow plateau
Research

What Happens When You Stop a GLP-1

The research on stopping is clearer than most people expect. Here is what the trials show, and the one thing that changes the story.

7 min read · Updated Jul 19, 2026

Nutrition

Abstract navy circles connected by lines representing amino acid chains
Nutrition

How Much Protein Do You Need on a GLP-1? A Research-Based Answer

Protein is the one macronutrient you have to be intentional about on a GLP-1. Here is the number the research supports, and how to actually hit it.

6 min read · Updated Jul 11, 2026
Abstract plate divided into geometric portions
Nutrition

What to Eat on a GLP-1: A Daily Nutrition Guide

A plain-language day of eating designed for a suppressed appetite: high in protein, easy on the stomach, and built around real food.

7 min read · Updated Jul 11, 2026
Navy letter B with yellow methyl-group triangular accents
Nutrition

Methylated B-Vitamins on a GLP-1: Why They Matter

Standard B-vitamins have to be converted to their active forms. Methylated versions skip that step. Here is what the research says, and who benefits most.

6 min read · Updated Jul 11, 2026
Five abstract circles in navy with one highlighted yellow
Nutrition

The Best Supplements to Take With a GLP-1 (And Why)

If you were going to build a stack from scratch for someone on a GLP-1, this is what the research points to. Five ingredients, dosed at what the evidence uses.

8 min read · Updated Jul 11, 2026
Abstract navy interwoven fibers softening into a yellow gradient at the edges
Nutrition

Collagen on a GLP-1: Skin, Hair, and the Honest Evidence

Collagen shows real skin data and softer hair data. It is also a category full of industry-funded trials. Here is the balanced read.

7 min read · Updated Jul 19, 2026
Abstract navy downhill slope meeting a level yellow horizon line
Nutrition

Nutrition for Maintenance vs the Losing Phase

The rules that get you through the losing phase are not the same rules for holding steady. Here is what shifts when the scale settles.

7 min read · Updated Jul 19, 2026

Side Effects

Abstract descending energy wave with yellow low-point marker
Side Effects

Why Am I So Tired on a GLP-1? The Nutrient Gap Explained

Fatigue is one of the most-reported GLP-1 side effects. It is almost always a nutrient story, not a medication story.

6 min read · Updated Jul 11, 2026
Abstract water shape with mineral crystal accent
Side Effects

Electrolytes and GLP-1s: Why You're Cramping and What to Do

Cramps, headaches, and restless sleep on a GLP-1 are almost always downstream of low sodium and low potassium. Here is a research-based fix.

5 min read · Updated Jul 11, 2026
Abstract vertical navy lines representing hair strands
Side Effects

Hair Shedding on a GLP-1: Causes and What the Research Says

Hair shedding on a GLP-1 is real and it is usually not permanent. Here is what the research says about the mechanism and what actually helps.

7 min read · Updated Jul 11, 2026
Abstract navy and yellow bathroom scale with a downward arrow
Side Effects

The Scale Is Lying to You on a GLP-1 (And What to Track Instead)

Daily weigh-ins measure water and sodium, not fat. Here are the three numbers that actually tell you how it's going.

6 min read · Updated Jul 11, 2026
Abstract navy background with fading yellow sound waves
Side Effects

Food Noise on a GLP-1: Why It Goes Quiet

The constant mental chatter about food quiets down for most people. Here's the research on what food noise is, and the catch.

6 min read · Updated Jul 11, 2026
Abstract navy chart with a yellow descending line flattening into a plateau
Side Effects

The First Plateau: Why the Scale Stalls Around Month Three

The week nine to twelve stall hits almost everyone. Here's the adaptive-thermogenesis reason, and why cutting harder backfires.

6 min read · Updated Jul 11, 2026
Abstract navy background with soft yellow circular shapes
Side Effects

Nausea on a GLP-1: Why It Happens and What Helps

The side effect most people hit first. Why it's tied to your dose, why it usually fades, and the clinical guidance that helps.

6 min read · Updated Jul 11, 2026
Abstract navy winding channel easing into a smoother yellow curve
Side Effects

Constipation on a GLP-1: Why It Happens and What the Research Says

Slower digestion plus less food plus less water equals a predictable problem. Here is the fiber the research keeps pointing to.

6 min read · Updated Jul 19, 2026
Abstract navy night curve with a yellow crescent easing into calmer waves
Side Effects

Sleep on a GLP-1: What Changes and Why

Some people sleep better as weight comes off. Some sleep worse from low fuel and minerals. Here is what is driving both.

6 min read · Updated Jul 19, 2026

Comparisons

Two abstract navy containers side by side, one simple and one layered, with a single yellow divider
Comparisons

Protein Powder vs an All-in-One on a GLP-1

A plain whey tub is cheaper. An all-in-one does more per scoop. Here is how to decide which one actually fits a suppressed appetite.

7 min read · Updated Jul 19, 2026
Abstract navy Supplement Facts panel with a yellow magnifying-glass circle over one line
Comparisons

How to Read a Supplement Label on a GLP-1

Serving-size tricks, proprietary blends, and label decoration. A field guide to reading a Supplement Facts panel like a skeptic.

8 min read · Updated Jul 19, 2026
Two abstract navy droplets, one filtered clear and one milkier, joined by a yellow line
Comparisons

Whey Isolate vs Concentrate on a GLP-1

Isolate costs more and has less lactose. Concentrate is cheaper. When appetite and digestion are already touchy, the difference is not just price.

6 min read · Updated Jul 19, 2026
Abstract navy molecule cluster with one plain yellow node highlighted among fancier shapes
Comparisons

Creatine Monohydrate vs the Fancy Forms

HCl, ethyl ester, buffered, nitrate. The premium forms cost more and promise more. Here is what the research actually shows.

6 min read · Updated Jul 19, 2026

Founder Notes

Abstract navy path with a single yellow marker
Founder Notes

Why I Built ESNTL: A Founder Story

I started a GLP-1, lost 40 pounds, and ended up with a counter full of bottles nobody warned me about. This is the product I wish had existed.

6 min read · Updated Jul 11, 2026
Abstract navy open panel with every line clearly marked in yellow, nothing hidden
Founder Notes

Why There's No Proprietary Blend on Our Label

A proprietary blend hides the one number that decides whether a supplement works. Here is why we refuse to use one.

5 min read · Updated Jul 19, 2026
Abstract navy pouch with a yellow scoop resting beside it, clean and simple
Founder Notes

Why We Chose a Pouch and a Scoop

Single-serve stick packs look convenient. For a formula that actually does the job, a scoop and a pouch made more sense. Here is the reasoning.

5 min read · Updated Jul 19, 2026

Founder's List · Pre-Launch

Join the Founder's List.

Get 20% off your first order, free US shipping on your first pouch, and a chance to win a free pouch at launch.

Join the Founder's List