Rein Performance systems®

PRECISION SUPPLEMENTS FOR THE MODERN MEN

Optimize your performance and longevity with a precision system built on science.

Built for Your Prime

REIN is a performance system grounded in science and built for longevity. Every formula targets a core pillar of human optimization—stress control, cellular energy, recovery, and drive. Designed for consistency, not spikes, it helps you sustain your prime with clarity and control.

What is RPS?

A precision system engineered for male performance and vitality. Built on three pillars.
  • Foundation | Stress resilience and recovery
  • Cellular | Cellular energy and longevity
  • Core | Drive and performance (Coming in 2026)

A system designed to help you perform better—from stress resilience to cellular energy, longevity, and drive.