---
product_id: 487595685
title: "DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength)"
brand: "daiwa health development"
price: "$210.54"
currency: USD
in_stock: true
reviews_count: 5
category: "Daiwa Health Development"
url: https://www.desertcart.us/products/487595685-daiwa-health-development-peak-immune-4-immune-system-booster-rice
store_origin: US
region: United States of America
---

# RBAC Rice Bran Power Shiitake Mushroom Enzyme 300% Boost in Immune Cells DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength)

**Brand:** daiwa health development
**Price:** $210.54
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your immunity game with nature’s ultra-strength secret!

## Quick Answers

- **What is this?** DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) by daiwa health development
- **How much does it cost?** $210.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/487595685-daiwa-health-development-peak-immune-4-immune-system-booster-rice)

## Best For

- daiwa health development enthusiasts

## Why This Product

- Trusted daiwa health development brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Superior to AHCC:** Outperforms AHCC by significantly increasing nitric oxide for enhanced immune response
- • **Daily Natural Defense:** Gentle, non-GMO ingredients designed for consistent, everyday immune resilience
- • **Patented Natural Formula:** Exclusive Daiwa process ensures potent, long-lasting immunity support
- • **Triple Immune Cell Activation:** Boost B-, T-, and NK-cell counts up to 3x for next-level defense
- • **Scientifically Backed Immunity:** Backed by 75+ studies proving powerful immune system enhancement

## Overview

DAIWA HEALTH DEVELOPMENT Peak Immune 4 is a premium immune booster combining patented RBAC rice bran and shiitake mushroom enzyme to naturally amplify B-, T-, and NK-cell activity by up to 300%. Clinically supported and non-GMO, this supplement outperforms AHCC by enhancing nitric oxide production, making it a cutting-edge choice for daily immune resilience and longevity.

## Description

Daiwa PeakImmune4 Natural Immune Support SupplementPeakImmune4 is an immune support supplement derived from RBAC rice bran, a natural form of immune defense that also enhances NK cell function with over 75 studies proving its effectiveness and strength for a completely natural immunity boost.The immune support provided by PeakImmune4 may triple B- and T- cell counts, and supports healthy cytokine activity levels. Natural cell function has been shown to increase up to 300% where T- and B- cells also saw an increase. Additionally, PeakImmune4 significantly increases nitric oxide production over AHCC.Daiwa Health Development has a unique, patented natural process for making our PeakImmune4 immunity supplement that is completely safe to use and does not lose its efficacy when used over a prolonged period of time.Daiwa PeakImmune4 Natural Immune Support SupplementPeakImmune4 is an immune support supplement derived from RBAC rice bran, a natural form of immune defense that also enhances NK cell function with over 75 studies proving its effectiveness and strength for a completely natural immunity boost.A natural immune defense supplement derived from RBAC rice branPromotes optimal B- and T -cell production and healthy cytokine activity levelsAn immune booster that significantly increases nitric oxide production over AHCCThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Review: Worked as advertised.
Review: The product is great! I can not longer afford it because of the increase in price. No doubt there are quality substitutions at a reasonable price.

## Features

- A NATURAL IMMUNITY BOOST: PeakImmune4 is a immune support supplement derived from RBAC rice bran, a natural form of immune defense that also enhances NK cell function with over 75 studies proving its effectiveness and strength*
- BETTER THAN AHCC: Our PeakImmune4 immunity supplement may double B- and T- cell counts and triple NK cell function. PeakImmune4 also significantly increases nitric oxide production over AHCC*
- NATURAL IMMUNE SUPPORT FOR DAILY USE: PeakImmune4 immune support supplement contains purified water extract of rice bran combined with shiitake mushroom enzyme for a completely natural immune booster
- PATENTED NATURAL PROCESS: Daiwa Health Development has a unique formula for our immune support which can help natural and learned immunity fight off common and complex ailments, promoting health and longevity
- HIGH QUALITY INGREDIENTS: Daiwa’s innovative and patented natural process for producing PeakImmune4 is non-GMO and designed to promote optimal T cell activity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08NTLQ2G9 |
| ASIN  | B08NTLQ2G9 |
| Additives | RBAC (Rice Bran Arabiloxylan Compund) |
| Age Range Description | Adult |
| Best Sellers Rank | #145,051 in Health ( See Top 100 in Health ) #4,650 in Herbal Supplements |
| Brand | DAIWA HEALTH DEVELOPMENT |
| Customer Reviews | 4.2 4.2 out of 5 stars (31) |
| Customer reviews | 4.2 4.2 out of 5 stars (31) |
| Date First Available | 9 February 2022 |
| Format | Capsule |
| Manufacturer  | DAIWA HEALTH DEVELOPMENT |
| Manufacturer reference  | DH-PI4-30 |
| Product Dimensions  | 4.6 x 4.39 x 10.59 cm; 40 g |
| Units | 30.0 Count |

## Product Details

- **Brand:** DAIWA HEALTH DEVELOPMENT
- **Diet type:** Vegan
- **Flavour:** Unflavored
- **Item dimensions L x W x H:** 46 x 44 x 106 millimeters
- **Item form:** Capsule
- **Item weight:** 0.04 Kilograms
- **Primary supplement type:** RBAC Rice Bran and Mycelia Extract from Shiitake Mushroom
- **Product benefits:** Immune Support
- **Special ingredients:** RBAC (Rice Bran Arabiloxylan Compund)
- **Unit count:** 30.0 Count

## Images

![DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) - Image 1](https://m.media-amazon.com/images/I/71iq2Rrd8DL.jpg)
![DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) - Image 2](https://m.media-amazon.com/images/I/71QzjhRk-eL.jpg)
![DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) - Image 3](https://m.media-amazon.com/images/I/71m3KGRVGsL.jpg)
![DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) - Image 4](https://m.media-amazon.com/images/I/71kdWKDfttL.jpg)
![DAIWA HEALTH DEVELOPMENT Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) - Image 5](https://m.media-amazon.com/images/I/71Tf2+SdwkL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***Y on 16 February 2026*

Worked as advertised.

### ⭐⭐⭐⭐⭐ Review
*by B***K on 15 September 2025*

The product is great! I can not longer afford it because of the increase in price. No doubt there are quality substitutions at a reasonable price.

### ⭐ Review
*by N***D on 21 September 2025*

Serious allergic reaction, be careful!

## Frequently Bought Together

- Daiwa PeakImmune4 Natural Immune Support Supplement with RBAC Rice Bran and Mycelia Extract from Shiitake Mushrooms - Ultra Strength
- Daiwa Plasmanex 1 - Blood and Vein Circulation Supplements – Balance Circulation, Encourage Healthy Legs and Veins - 60 Vegan Capsules

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-10*