Dr. Kenji Satoh | Advanced Neurology Institute
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Our customers say

based on 39,208 reviews

More people are transforming their lives with Nerve Action™ and seeing real results:

“In the first few days I actually felt a strong tingling in my feet and got worried. I even reached out to the lab, and they told me it was normal — that it meant my nerves were coming back to life. It’s been 15 days since I started with Pregera and right now I feel amazing… no pain at all.”

Jason H. - Nerve Action™ Customer

"I’ll admit, I had pretty high expectations for Nerve Alive after watching Dr. Satoh’s presentation. And I was right — it’s every bit as good as I imagined.”

Ryan T. - Nerve Action™ Customer

My daughter bought me 6 bottles, and honestly I thought it was a bit expensive — I figured it was just another one of those supplements you see online. But it was worth every penny. Now I can walk on my own again, without help and without the fear of falling.

Olivia K. - Nerve Action™ Customer

I almost waited longer to decide… but the results came so fast, I couldn’t stop. It felt like hitting the reset button on my body. Now I feel in control – no more setbacks, just forward.”

Sophia S. - Nerve Action™ Customer

DOCTOR RECOMMENDED

6 BOTTLES

180 Day Supply

$

49

PER
BOTTLE

  • YOU SAVE

    $780

  • biggest discount

  • 60-DAY MONEYBACK GUARANTEE

$

294

+ FREE SHIPPING

BEST OFFER

3 BOTTLES

90 Day Supply

$

69

PER
BOTTLE

  • YOU SAVE

    $330

  • 60-DAY MONEYBACK GUARANTEE

$

207

+ FREE SHIPPING

STARTER PACK

2 BOTTLES

60 Day Supply

$

79

PER
BOTTLE

  • 60-DAY MONEYBACK GUARANTEE

$

158

+ FREE SHIPPING

100% Satisfaction - 60-Day Guarantee

Try Nerve Action™ with the security of our 60-day Full Satisfaction Guarantee!

We believe so strongly in the benefits that Nerve Action™ can bring you that we eliminate any risk from your purchase.

That's why we offer an unconditional 2-month guarantee.

If, for any reason, you feel that the product has not met your expectations, just return it within 60 days and we will refund 100% of the amount paid.

No bureaucracy, no catches. It's our commitment to your peace of mind and well-being.

Frequently Asked Questions

What is Nerve Action™?

Nerve Action is a dietary supplement specifically designed to alleviate the discomfort associated with neuropathy. It is based on extensive research and contains a combination of scientifically proven ingredients that target the “Trinity of Nerve Discomfort.” It provides relief from discomfort, promotes nerve function and combats inflammation. The formula includes the key ingredient Magnesium Glycinate, which is known to support a healthy inflammatory response and alleviate mild discomfort.

When will I receive my order?

Once your order is confirmed, it is processed within 24–48 hours and shipped from our fulfillment center. Delivery typically takes 2 to 5 business days. You’ll receive a tracking number as soon as it ships.

Is it safe to buy online?

Our SSL certificate allows the browser and web server to establish a secure, encrypted connection. The SSL "handshake" process that establishes the secure session occurs discreetly in the background without interrupting your shopping experience. A padlock icon in the browser status bar and the "https://" prefix in the URL are the only visible signs of an ongoing secure session.

The Nerve Action checkout page is secured with a Symantec Class 3 EV SSL Web Server Certificate. Transactions on the website are protected with up to 256-bit Secure Sockets Layer encryption. Encryption means that all transmitted data is scrambled, so it is meaningless to the recipient in case of an error.

We use a third-party credit card processor that meets the strictest international data security standards to handle our credit card payments, so no one ever has access to your credit card information. We do NOT store your credit card number in our records.

At Nerve Action™ Labs, we understand that you are trusting us with your financial security when shopping online. We have done everything possible to ensure that your information is secure from start to finish, and we thank you for your trust in us.

What is the refund policy?

A: Your order is backed by a money-back guarantee.

60-Day Risk-Free Guarantee

This is a 60-day, 100% money-back guarantee that takes all the risk off your shoulders and makes it easy for you to try Presgera for yourself right now.

How does Nerve Action™ differ from everything I’ve tried so far?

Nerve Action™ stands out because of its unique formulation that combines Japanese Capsaicin with seven other powerful ingredients, including Concentrated Apple Cider Vinegar, R-Alpha-Lipoic-Acid, Magnesium and healing herbs like Corydalis Lutea, Passionflower, Marshmallow Root, and California Poppy Seeds, as well as compounds like Acetylcarnitine (ALCAR), Coenzyme Q10, and Turmeric.

This combination not only alleviates discomfort caused by neuropathy but also promotes nerve regeneration and protection while providing additional benefits such as reducing anxiety, improving mood, and supporting sleep.

How does Nerve Action™ compare to other similar supplements?

Nerve Action™ differs from other similar supplements through its comprehensive approach and strong scientific backing. While many supplements only focus on temporary relief of discomfort, Presgera™ aims to combat the underlying causes of neuropathy, reduce inflammation, promote nerve regeneration, and improve overall nerve health. The effectiveness of Presgera's ingredients is supported by clinical studies and user reports, which highlight significant improvements in a short amount of time.

Will it work for me?

A: Everyone is different, but Nerve Action® has been remarkably effective for almost everyone who has tried it. It contains clinically tested ingredients with plenty of supporting evidence. However, if for any reason you are not satisfied with Presgera, remember that you can always return it and get 100% of your money back.

How do I take it?

A: Taking Nerve Action couldn’t be easier. Simply take 1 capsule either in the morning or at night. Each capsule is small, easy to swallow, and starts working right away.

How quickly does it work?

A: You will quickly notice benefits related to mood, sleep, and energy.

As for nutrient support and nerve function, this doesn’t happen overnight. Our formula uses the most bioavailable form of each ingredient, so the ingredients are absorbed into your system faster than other supplements.

Some customers have seen results within a week, while most take 3-6 months to achieve the best results.

Every case is different – and several factors can influence the time it takes to see improvements. We strongly recommend taking Presgera® for at least 2-6 months to maximize your chances of success.

We also understand that despite the high success rate, our formula doesn’t work for everyone. For this reason, we offer a 60-day guarantee on your last order. If Nerve Action® doesn’t work for you, you have a whole year to request a refund (minus shipping and handling) for your last order.

Are there any side effects?

A: All ingredients in Nerve Action® are safe, and no significant side effects have been reported. However, since everyone is different, be sure to consult your doctor to determine if Presgera® is right for you.

Can I take Nerve Action™ along with my current medications?

A: The ingredients in Nerve Alive® are generally safe to take in combination with prescription medications, but we recommend consulting your doctor or pharmacist first. Since some prescription medications may temporarily affect the body's ability to absorb nutrients, we suggest taking Presgera® either 30 minutes before or after taking your medications. This ensures better absorption of the ingredients in Presgera® into your system.

Will I be enrolled in a subscription or auto-delivery?

A: No, we only offer a one-time purchase to avoid confusion. If you like the product, we trust that you will return on your own.

Where is the product made?

A: We proudly make each component locally in Los Angeles, California. We do not outsource any of our customer service positions abroad and proudly support the local economy.

How does the guarantee work again?

A: Once you have placed your Nerve Action® order, you have 60 days to try it for yourself. If for any reason during this time you are not 100% satisfied, simply email support@presgera.com and you will get your full refund – no hassles and no questions. You can find this email on our website, in your confirmation email, and in every Nerve Action® shipment you receive.

What if I have more questions?

A: If you have questions during your experience, you can always reach out to our U.S.-based support team at our support email support@nerveaction.com or by phone at +1 (959) 224-1235. Both our email and phone number are always available on our website.

How do I get started?

A: All you need to do is click the "Order Now" button to place your order. Remember, since you're on this page, you'll receive our "Invest More, Save More" discount, meaning the more you buy, the more you save. Once you’ve placed your order, you should receive it at your doorstep within 5-7 days depending on your location.

DR. KENJI SATOH

Dr. Kenji Satoh is a world-renowned doctor specializing in nerve health, neurodegeneration, and traditional Japanese medicine.

Dr. Satoh is recognized worldwide for creating the “Japanese Red Vitamin” — a groundbreaking formula that is not just changing how neuropathy is treated, but reversing severe cases of nerve damage once thought to be permanent.

DR. KENJI SATOH

Dr. Kenji Satoh is a world-renowned doctor specializing in nerve health, neurodegeneration, and traditional Japanese medicine.

Dr. Satoh is recognized worldwide for creating the “Japanese Red Vitamin” — a groundbreaking formula that is not just changing how neuropathy is treated, but reversing severe cases of nerve damage once thought to be permanent.

© Kenji Satoh Nerve Health Institute 2025.
All Rights Reserved.

The stories and results shown above are from real people. This information is based on research and field experience.

Any attempt to reproduce, copy, or adapt the Red Vitamin Ritual — also known as the Japanese Red Vitamin — without the direct authorization of Dr. Satoh will be considered a violation of his authorship, as only he holds the complete knowledge of its formulation and application.”