About Us
Inspired by Legends.
Made for Champions.
CLINICALLY-STUDIED INGREDIENTS
THIRD-PARTY CERTIFIED FACTORIES
ONLY THE BEST QUALITY
MANUFACTURED IN THE U.S.A
Born in the golden era of bodybuilding. Built for today’s athletes.
Old School Labs started with the spirit of classic bodybuilding — discipline, intensity, and results you can see and feel. Over the years, that legacy has grown into something bigger: a performance brand trusted by athletes of every discipline.
From weightlifters and fighters to runners, cross-trainers, and everyday high-performers, we make clean, tested, premium supplements for anyone serious about pushing their limits. No shortcuts. No fillers. Just formulas that work as hard as you do.
Old-school values. New-school performance.
Supplements That Make Sense™
Our community is our competitive edge.
Old School Labs has grown thanks to the athletes who show up, share their wins, and push one another to be better. Whether it’s transformation challenges, product testing, or honest feedback, our community plays a real role in every formula we release.
We’re not just making supplements — we’re building them with you. And together, we create products that genuinely help people perform, feel, and live better.
Why Choose Us
We conduct extensive product research backed by sports nutrition science, grounded in real athletic performance.
We work with serious athletes to learn what actually works in training and competition to make sure we’re putting out products that actually enhance performance.
We use only top-tier, premium-quality and clinically-studied ingredients in our formulations — no fillers, no compromises.
We invest in third-party certification for safety and accuracy.
Everything is manufactured in the USA in cGMP-certified facilities to uphold the highest standards.
Our Best Sellers
Our Legends
Samir Bannout
Mr.Olympia | Mr.Universe | Pro Mr.World
John Hansen
Mr. Natural Olympia
Mario da Silva
Golden Era Icon
Your strength, Backed by Science
CLINICALLY-STUDIED INGREDIENTS
THIRD-PARTY CERTIFIED FACTORIES
ONLY THE BEST QUALITY
MANUFACTURED IN THE U.S.A
Athletes
Meet the Athletes Who Move Us
At Old School Labs, our formulas are shaped by the people who push their limits every day. From elite competitors to disciplined everyday athletes, these individuals embody the grit, dedication, and passion that define our brand. Meet the athletes who help test our products, influence our innovation, and represent what it means to train the old-school way — with heart, discipline, and unstoppable drive.