Our Story

My name is Dustin Greenwood, and I created 4L Supplements with the athlete at the forefront of my mind. My story is deeply rooted in athletics. As a kid, I always dreamed of playing professional sports or making Team USA to represent my country in the Olympics. In college, I was a two-sport walk-on in football and track and field. My passion for athletics and competition was undeniable and led me to find my way into weightlifting and bobsled. As an athlete, I have been able to achieve many things, including representing Team USA on the world stage, and now my passion is helping other athletes achieve their dreams!

Through youth sports, high school, and even into college, I rarely used supplements. Even when I started taking supplements, I often didn't know what to take, how to take it, or how to best maximize what I was taking. We want to create supplements that are clean, simple, and have packaging that helps the athlete best use the product.

I started training athletes in 2009 as a strength, conditioning, and speed coach. I knew I wanted to stay involved in athletics to be the coach for someone that I wanted and needed as a young athlete. 4L Supplements is a company that allows me to continue giving athletes the things that I wanted and needed.

I hope we can provide you with ongoing support to allow you to realize your full potential.