Signal GLP™

Performance Library

Training on a GLP-1 changes the equation.

Evidence-based guidance for athletes navigating training, fueling, recovery, body composition, and performance while using GLP-1 medications.

Featured resources

Cycling

Cycling on a GLP-1: How to Fuel Training When You're Not Hungry

Appetite changed. The ride didn't. How cyclists on GLP-1 medications can think about carbs, hydration, protein and recovery when hunger is no longer a reliable guide.

9 min
Strength & Muscle

Protein targets on GLP-1s

How much protein you need on semaglutide, tirzepatide, or other GLP-1s. Why the standard target falls short and how to hit it when appetite is gone.

6 min
Fueling

Electrolytes and GLP-1 dehydration

GLP-1s can blunt thirst, slow gastric emptying, and change sodium handling. What to drink, when, and how much.

5 min
Fueling

Why you bonk on a GLP-1

It is not the drug. It is glycogen. Here's how appetite suppression drains your tank mid-workout and how to fix it.

5 min
Running

Running on GLP-1s

Gut-friendly fueling for runners on semaglutide or tirzepatide. Easy miles, long runs, speed work, and race-day strategy.

6 min
Strength & Muscle

Strength training on GLP-1s

Keep muscle while losing weight on semaglutide or tirzepatide. Protein, peri-workout carbs, and recovery for lifters.

6 min
Fueling

Rowing on GLP-1s

Fueling for rowing and erg sessions on semaglutide or tirzepatide. High-intensity, high-sweat, repeat-effort nutrition.

6 min
Fueling

Dietary fat on GLP-1s: the macro that gets the rest

Protein has a job. Carbohydrate has a job. Fat matters too — but for athletes, its target makes more sense when you look at the whole energy picture.

7 min
Fueling

Carbohydrates on GLP-1s: fuel the work

Carbohydrate is the primary fuel for harder training. When a GLP-1 makes eating less automatic, athletes need to make fueling more intentional.

7 min
GLP-1 Basics for Athletes

GLP-1 Basics for Athletes

Your appetite changed. Your training needs didn't. Four things athletes should protect on GLP-1 medications: fuel, muscle, hydration, and recovery.

6 min
Recovery

Recovery on GLP-1s

You finished the workout. Your body isn't finished. Refueling, muscle, fluid, and rest when appetite no longer drives the recovery decision.

6 min