For over 60 years, a Japanese neurologist kept a handwritten notebook filled with research on nerve health — discoveries he made while studying the elderly in the mountains of Nagano, Japan, where nerve discomfort among older adults is almost unheard of.

Now, at 89 years old, Dr. Sato has opened that notebook to the public for the first time — and what’s inside is turning heads across the wellness community.

In this video, he walks you into his kitchen and shows you a traditional Japanese recipe passed down for generations — one that uses just 2 simple ingredients most Americans already have at home.

One is a traditional Japanese spice. The other is a forgotten pantry staple sitting in 9 out of 10 American kitchens. When combined in a specific ratio, they create what Dr. Sato calls the “Japanese Red Vitamin” — a deep red elixir he prepares every night before bed in less than 30 seconds.

In the video, Dr. Sato also shares what he believes is an overlooked factor behind nerve discomfort — something he says most doctors never discuss with their patients — and explains why he thinks this simple kitchen recipe deserves a closer look.

Whether you’re exploring new approaches to nerve comfort or simply curious about this centuries-old Japanese tradition, this short video is worth watching. — click here or tap the button above or below to see the recipe.