---
product_id: 253215557
title: "Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules"
brand: "daiwa health development"
price: "¥23146"
currency: JPY
in_stock: true
reviews_count: 8
category: "Daiwa Health Development"
url: https://www.desertcart.jp/products/253215557-daiwa-peakimmune4-immune-support-supplement-ultra-strength-30-capsules
store_origin: JP
region: Japan
---

# RBAC Rice Bran Power Shiitake Mycelia Extract Boosts NK & T Cell Function Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules

**Brand:** daiwa health development
**Price:** ¥23146
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your immunity game — because your health deserves the ultra strength edge!

## Quick Answers

- **What is this?** Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules by daiwa health development
- **How much does it cost?** ¥23146 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/253215557-daiwa-peakimmune4-immune-support-supplement-ultra-strength-30-capsules)

## 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

- • **Optimized T Cell Activity:** Elevate your immune system’s frontline with enhanced B- and T-cell counts for comprehensive protection.
- • **Triple NK Cell Activation:** Experience immune resilience with NK cell function boosted up to 3x compared to AHCC.
- • **Natural & Patented Formula:** Harness the power of a unique, non-GMO extraction process combining rice bran and shiitake enzymes.
- • **Daily Defense for Professionals:** Designed for busy millennials seeking reliable, natural immune support to stay unstoppable.
- • **Clinically Proven Immunity Boost:** Backed by 75+ studies, PeakImmune4 supercharges your natural defenses with potent RBAC rice bran.

## Overview

Daiwa PeakImmune4 is a premium natural immune support supplement featuring patented RBAC rice bran and shiitake mushroom mycelia extract. Clinically validated to enhance NK cell function up to three times and double B- and T-cell counts, it offers a powerful, non-GMO formula designed for daily use to boost natural and learned immunity, promoting long-term health and resilience.

## Description

Buy Daiwa PeakImmune4 Natural Immune Support Supplement | Enhances NK Cell Function with RBAC Rice Branand Mycelia Extract from Shiitake Mushrooms | Ultra Strength on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Worked as advertised. - Worked as advertised.
Review: Great product, too expensive - 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 |
| Age Range Description | Adult |
| Allergen Information | Mushroom |
| Best Sellers Rank | #83,018 in Health & Household ( See Top 100 in Health & Household ) #503 in Mushrooms Herbal Supplements |
| Brand | Daiwa Health Development |
| Brand Name | Daiwa Health Development |
| Container Type | Bottle |
| Customer Reviews | 4.3 out of 5 stars 36 Reviews |
| Diet Type | Vegan |
| Dosage Form | Capsule |
| Flavor | PeakImmune4 Ultra |
| Item Dimensions | 1.81 x 1.73 x 4.17 inches |
| Item Form | Capsule |
| Item Weight | 0.04 Kilograms |
| Manufacturer | DAIWA HEALTH DEVELOPMENT |
| Manufacturer Part Number | DH-PI4-30 |
| Material Features | Natural |
| Material Type Free | Non-GMO |
| Number of Items | 1 |
| Primary Supplement Type | RBAC Rice Bran and Mycelia Extract from Shiitake Mushroom |
| Product Benefits | Immune Support |
| Special Ingredients | RBAC (Rice Bran Arabiloxylan Compund) |
| UPC | 851814001123 |
| Unit Count | 30.0 Count |

## Product Details

- **Brand:** Daiwa Health Development
- **Diet Type:** Vegan
- **Flavor:** PeakImmune4 Ultra
- **Item Form:** Capsule
- **Item Weight:** 0.04 Kilograms
- **Item dimensions L x W x H:** 1.81 x 1.73 x 4.17 inches
- **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 PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules - Image 1](https://m.media-amazon.com/images/I/71iq2Rrd8DL.jpg)
![Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules - Image 2](https://m.media-amazon.com/images/I/71QzjhRk-eL.jpg)
![Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules - Image 3](https://m.media-amazon.com/images/I/71m3KGRVGsL.jpg)
![Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules - Image 4](https://m.media-amazon.com/images/I/71kdWKDfttL.jpg)
![Daiwa PeakImmune4 Immune Support Supplement, Ultra Strength, 30 Capsules - Image 5](https://m.media-amazon.com/images/I/71Tf2+SdwkL.jpg)

## Available Options

This product comes in different **Size, Flavor** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked as advertised.
*by B***Y on February 16, 2026*

Worked as advertised.

### ⭐⭐⭐⭐⭐ Great product, too expensive
*by B***K on September 15, 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.

### ⭐ Do not recommend
*by N***D on September 21, 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
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**Shop now:** [https://www.desertcart.jp/products/253215557-daiwa-peakimmune4-immune-support-supplement-ultra-strength-30-capsules](https://www.desertcart.jp/products/253215557-daiwa-peakimmune4-immune-support-supplement-ultra-strength-30-capsules)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-02*