Cold shower

Cold showers can boost alertness and mood, and support recovery.

Strong consensus

For cold therapy modalities.

Sourced from the doctors, PhDs and clinicians behind Entrain. Updated

The strongest voice

“If you're feeling an afternoon crash and you really need to power through it, nothing is anywhere near as effective as a cold shower”

a nutritional sciences PhD · source video · 00:01:20

In their own words

One faithful sentence per source, linked to the moment it was said; quiet chips mark where money is involved.

a nutritional sciences PhD conditional
“Cold showers can help improve alertness but may not be feasible in all situations.”

a nutritional sciences PhD · source video

a registered nutritional therapist conditional
“Cold showers boost resilience and dopamine but are a tool, not a root fix, and can add stress to the body, so not great for some people.”

a registered nutritional therapist · source video

a registered holistic nutritionist conditional
“Cold showers are easy and beneficial but there is conflicting information for women, especially around menstrual cycle phases.”

a registered holistic nutritionist · source video · 00:30:00

Worth discussing with your GP, especially if you take medication or are pregnant. Entrain describes what is publicly taught; it does not prescribe.

Red and infrared light

Red and infrared light support mitochondrial function and skin resilience.

Strong consensus

“the red spectrum of light penetrates into the mitochondria kicks nitric oxide off and then the electrons can flow through”

a board-certified cardiologist · source video · 00:08:00

Infrared light therapy

Infrared light therapy is widely valued for supporting mitochondria and relaxation.

Strong consensus

“infrared light which can penetrate 8cm into the body can help to clear this out of the way so that your mitochondria can carry on making ATP and water”

a molecular biology PhD · TikTok video

Infrared exposure

Infrared exposure helps support healthy blood flow and cellular energy production.

Strong consensus

“The main things are sunlight exposure, infrared light, anything that's going to build charge in your body is going to help build the structured water and that’s going to prevent this clotting response.”

a molecular biology PhD · source video · 00:00:10