The STEEL Library

No fluff, just proven results. 5 of the best research-backed supplements for muscle growth, strength, endurance, and performance.

Creatine isn’t just for athletes looking for peak performance, now researchers are investigating whether it impacts bone loss too. In this article, Dr. Paul Henning explains the research here.

Gut health plays a big role in Alzheimer’s. Learn how x-rays are showing promise in early detection and how smart gut care could help protect your brain.

Maximize muscle growth by avoiding common mistakes that slow progress. Learn how to keep your body in growth mode with simple, effective tweaks.

If you’re serious about achieving a level of physical and mental strength you never knew existed, crushing GVT can get you there.

Confused about whole, skim, 1%, or 2% milk? Use this guide to learn which one is best for your health and fitness goals. 

Looking for the cardio machine that can make all the difference in your fitness journey? Knowing which machines work best will help you train smarter. 

Muscle loss worsens heart failure, cutting strength and endurance. Today Dr. Paul examines the science behind it—and how to fight back before.

Learn why bodybuilders dehydrate, the related risks, and how to maintain peak performance beyond the stage.

Vitamin D isn’t just for bones. Turns out it affects fat storage and muscle mass too. In this article, Dr. Paul Henning investigates its hidden role in body composition and strength.

In this article, Dr. Paul Henning investigates how cold exposure activates brown fat to tap into your body's fat-burning potential and more.

Optimize your fitness journey and elevate your recovery game by making tart cherry a part of your complete supplement regime.

If you want to build your back strength from the weakest position, this underrated exercise deserves a spot in your weekly exercise rotation.

Biotin? Collagen? Learn how incorporating both into your daily routine is a proactive step toward achieving your wellness goals.