--- product_id: 487595685 title: "Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength)" brand: "daiwa health development" price: "€ 152.72" currency: EUR in_stock: true reviews_count: 5 category: "Daiwa Health Development" url: https://www.desertcart.pt/products/487595685-peak-immune-4-immune-system-booster-rice-bran-and-shitake store_origin: PT region: Portugal --- # Triple NK cell function boost 75+ studies proven efficacy Doubles B- & T-cell counts Peak Immune 4 - Immune System Booster – Rice Bran and Shitake Mushroom Supplement for Natural Immune Support (Ultra Strength) **Brand:** daiwa health development **Price:** € 152.72 **Availability:** ✅ In Stock ## Summary > 🛡️ Elevate your immunity game with nature’s ultra-strength secret! ## Quick Answers - **What is this?** 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?** € 152.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/487595685-peak-immune-4-immune-system-booster-rice-bran-and-shitake) ## 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 - • **Pure & Patented Formula:** Non-GMO, natural rice bran and shiitake mushroom extract crafted with a unique patented process. - • **Daily Defense, Naturally:** Gentle enough for everyday use to keep your immune system resilient and ready. - • **Next-Level Cellular Boost:** Doubles B- and T-cell counts while tripling natural killer cell activity. - • **Longevity & Vitality Support:** Promotes natural and learned immunity to help you stay at your peak, always. - • **Clinically Proven Immune Power:** Backed by over 75 scientific studies for unmatched immune defense. ## Overview Peak Immune 4 is a premium immune system booster combining patented RBAC rice bran and shiitake mushroom extracts. Clinically supported by over 75 studies, it significantly enhances B-, T-, and NK cell functions, offering natural, non-GMO daily immune support designed for adults seeking optimal health and longevity. ## Description Product description 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 | #215,529 in Health ( See Top 100 in Health ) #6,923 in Herbal Supplements | | Brand | DAIWA HEALTH DEVELOPMENT | | Brand Name | DAIWA HEALTH DEVELOPMENT | | Container Type | Bottle | | Customer Reviews | 4.3 out of 5 stars 33 Reviews | | Diet Type | Vegan | | Dosage Form | 1000-5000 | | Flavor | Unflavored | | Flavour | Unflavored | | Item Dimensions | 46 x 44 x 106 millimeters | | Item Form | Capsule | | Item Weight | 0.04 Kilograms | | Item form | Capsule | | Item weight | 0.04 Kilograms | | Manufacturer | DAIWA HEALTH DEVELOPMENT | | Manufacturer Part Number | DH-PI4-30 | | Material Features | GMO Free | | Material Type Free | Non-GMO | | Number of Items | 1 | | Primary Supplement Type | RBAC Rice Bran and Mycelia Extract from Shiitake Mushroom | | 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 | | Unit count | 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 ![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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked as advertised. *by B***Y on 16 February 2026* Worked as advertised. ### ⭐⭐⭐⭐⭐ Great product, too expensive *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. ### ⭐ Do not recommend *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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/487595685-peak-immune-4-immune-system-booster-rice-bran-and-shitake](https://www.desertcart.pt/products/487595685-peak-immune-4-immune-system-booster-rice-bran-and-shitake) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-09*