Halo, Learn Faster, Age Slower

Learn Faster, Age Slower

In Bulletproof Radio #638, Dave Asprey reveals why he’s been running electricity over his brain for 22 years — and how Halo Sport 2 is revolutionizing the way we interact with the brain.

Meet Halo Sport

The first neurostimulation technology designed for athletes

Halo Sport, the first product from Halo Neuroscience, applies the science of neurostimulation to athletic training. Designed to integrate seamlessly into your workout, Halo Sport stimulates the brain’s motor cortex during training to accelerate improvements in strength, skill, and explosiveness. This scientific process is called Neuropriming. In essence, pairing Halo Sport with training makes practice more productive for the athlete.

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What is Halo Sport?

Halo Sport is a brain stimulator that helps you develop muscle memory faster.

Save $100 with code: DAVE

The science

Following the scientific method to build a product

Halo Sport was developed after an exhaustive review of a decade of scientific research, and rigorous testing with thousands of users by our team of experienced neuroscientists and engineers. We designed Halo Sport to the highest standard of engineering, incorporating Halo’s extensive patented technology for reliability, usability, and effectiveness.

All Movement is Learned the Same Way

Playing guitar, lifting weights, and running may seem different — but your brain learns each of these movements the same way: via the motor cortex. While the pathways in the brain that produce each movement differ, they’re all created through neuroplasticity.


To play guitar or sink a putt, your brain has to send signals to the correct muscles in a specific order. With Halo Sport, your brain needs fewer reps to perfect that process.


To lift more weight, your brain needs to send a stronger signal to your muscles. With Halo Sport, your brain strengthens that signal faster.


At the end of a run, your brain is sending weaker signals to your muscles, so you feel fatigued. With Halo Sport, your brain learns to maintain stronger signals throughout the run.

How to use Halo Sport

A Primer + Primer slot

B Interchangeable earpad

C Micro-USB charging port

D Power button

E Indicator light

F Audio jack



1. Place headset over the motor cortex

When worn like headphones, the headset will naturally be very

close to the correct location on the head (i.e. motor cortex). Halo

Sport should look approximately vertical on your head

(perpendicular to the floor) when standing up straight. To be

exact, you can measure the distance from the bridge of your

nose to the bump on the back of your head and place the

headset at the halfway point.

2. Wet the Primers and “wiggle” the headset in place

Wet the Primers by spraying them with water from the spray

bottle. Foam of Primers should be fully saturated, like a sponge;

if connection is poor, wet more. Once positioned, press down on

the headset band and gently wiggle back and forth in place to

make sure each Primer has good contact with your scalp.


“It’s not just a questions of muscles and bones. Halo Sport’s focus on the brain is potentially paradigmshifting.”

Doctor Jim Stray-Gundersen

Sports Science Advisor, U.S. Ski & Snowboard Association

“Halo’s technology is an exciting leap forward for neuroscience and was unimaginable even five years ago.”

Doctor Gary Abrams

Director of Neurorehabilitation, UCSF


“I spend countless hours coaching elite athletes on how to incorporate the brain into their training program, and let me make it clear: Halo Sport is a must.”

Mike Barwis

Founder and CEO, Barwis Methods Special Assistant, New York Mets

“Halo’s doing something that we’ve never seen before, the sports market’s never seen before, and it speaks to exactly what we’re trying to do.”

Michael Johnson

Founder & CEO, Michael Johnson Performance 4x Olympic Gold Medalist


“Integrating Halo Neurotechnology into my workouts has transformed my training and pushed me closer to reaching my performance goals.”

Natasha Hastings

4x 400m Olympic Gold Medalist, USA

“I start Neuropriming right before the most intense part of my training. Across the board, I’m more explosive in my movements since using Halo Sport.”

Demario Davis

Linebacker, Captain, Cleveland Browns



What is Neuropriming?

Neuropriming is the process of pairing neurostimulation with athletic training to build stronger, more optimized connections between the brain and the muscles. Neuropriming introduces a state of hyper-learning, or “hyperplasticity” in the brain, which refines the brain’s ability to learn and adapt to athletic training.

What is hyperplasticity?

Neuroplasticity is the brain’s ability to adapt to training and learn new skills – from foreign languages to math, from directions to the nearest cafe to physical movement and strength. By stimulating the motor cortex during athletic training (i.e. Neuropriming), the brain enters into a state of heightened plasticity known as “hyperplasticity,” during which the brain adapts to training more effectively.

What does the stimulation feel like?

Most athletes call it a mild tingling sensation, and others compare the feeling to the sensation elicited by muscle stimulators. Some people have a hard time knowing when the stimulator is even on.

Who can use Halo Sport?

Any healthy adult over 18 years old can use Halo Sport, whether they’re a beginner or elite athlete. Due to a lack of published scientific research, Halo is Sport not recommended for medical applications or for those under

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