We are yours
RECOVERY EXPERTS
High-End Recovery Nutrition for Pros


Rainer Zirkelbach
CEO, Food Chemist, R&D Specialist

Dr. Kurt Geiß
Medical Doctor, Owner of Institut ISME

Ralf Ohrmann
Sports scientist, athletic trainer 1st football Bundesliga and DFB national player and bestselling author
Why is recovery so critical?
Why we are the right experts
We are concentrating specifically on this topic. Our solutions are based on many years of experience and scientific research. We work closely with top athletes and experts to provide you with tailor-made, science-based solutions. With our resulting high-quality products and comprehensive know-how, we support your optimal recovery.Test our products now and experience the difference!
Our products
Our Scientific Approach
Trust and security
Your path to optimal recovery



Rainer is our “brain”, CEO, founder and by the way also food chemist and managing director of several major German brands. Above all, he has been an athlete since he was a boy. So he knows what it takes to get through his diet and achieve his goals. For his own brand (which is therefore also called Z KONZEPT), only the best is good enough for him. He stands for the quality of the products with his name. And we think you’ll feel that.








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