GMA Learn

Training, Recovery, and Real Answers.

Evidence-based supplement and training content from martial arts coaches with 50+ years on the mats. No hype, no marketing fluff — just what actually works.

creatine

Best Time to Take Creatine for Maximum Results

When is the best time to take creatine — before or after your workout? Science-backed timing guide for maximum strength and recovery...

Professor K. Spillmann Apr 23, 2026

daily wellness

Probiotics for Gut Health: Beginner's Guide

Everything you need to know about probiotics for gut health — what they do, how to choose the right one, and why...

Professor K. Spillmann Apr 23, 2026

magnesium

Magnesium Glycinate for Sleep: The Complete Guide

The most research-backed form of magnesium for sleep, how it works, and how to use it — from the martial arts coaches...

Professor K. Spillmann Apr 23, 2026

Ready to Train Smarter?

Supplement Like an Athlete.

Browse the full GMA Warrior Supplements catalog — formulated by martial artists, made in the USA, trusted by our own students and coaches.

Shop All Supplements

Je winkelwagen is leeg

Je winkelwagen

Subtotaal

Training, Recovery, and Real Answers.

Best Time to Take Creatine for Maximum Results

Probiotics for Gut Health: Beginner's Guide

Magnesium Glycinate for Sleep: The Complete Guide

Supplement Like an Athlete.