Clinically researched photobiomodulation devices that use near-infrared light to stimulate brain health and cellular repair. Backed by 30+ published studies with top universities including Harvard, UCSF, and University of Utah.  Note: Use code BIRKHOLZL25VL for a discount.

A handheld biofeedback device that trains your heart and brain to work in sync. Guides you into a state of coherence reducing stress, improving focus, and supporting emotional regulation through real-time heart rate variability feedback.