--- product_id: 413801029 title: "NutriBiotic – Maximum GSE, 1 Oz Liquid | Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Highly Potent, Vegan, Gluten Free & Non-GMO" brand: "nutribiotic" price: "6846 kr" currency: ISK in_stock: true reviews_count: 5 category: "Nutri Biotic" url: https://www.desertcart.is/products/413801029-nutribiotic-maximum-gse-1-oz-liquid-grapefruit-seed-extract-premium store_origin: IS region: Iceland --- # Vegan, gluten-free, non-GMO purity Full spectrum bioflavonoids blend Max potency grapefruit seed extract NutriBiotic – Maximum GSE, 1 Oz Liquid | Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Highly Potent, Vegan, Gluten Free & Non-GMO **Brand:** nutribiotic **Price:** 6846 kr **Availability:** ✅ In Stock ## Summary > 🍊 Elevate your natural defense with the ultimate grapefruit seed extract! ## Quick Answers - **What is this?** NutriBiotic – Maximum GSE, 1 Oz Liquid | Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Highly Potent, Vegan, Gluten Free & Non-GMO by nutribiotic - **How much does it cost?** 6846 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/413801029-nutribiotic-maximum-gse-1-oz-liquid-grapefruit-seed-extract-premium) ## Best For - nutribiotic enthusiasts ## Why This Product - Trusted nutribiotic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Concentrated:** Small 1 oz bottle packs a potent punch—perfect for on-the-go wellness warriors. - • **Clean Label, Pure Confidence:** Vegan, gluten-free, non-GMO, and free from artificial additives—health without compromise. - • **Unmatched Potency Powerhouse:** Highest concentration of grapefruit seed extract for maximum natural efficacy. - • **Synergistic Bioflavonoid Boost:** Harnesses pulp, seeds & rind for a full spectrum of antioxidant-rich plant compounds. - • **Clinically Trusted for 30+ Years:** Original formula recommended by healthcare pros worldwide—experience you can rely on. ## Overview NutriBiotic Maximum GSE is a premium 1 oz liquid concentrate delivering the highest available potency of grapefruit seed extract combined with a full spectrum of bioflavonoids. Trusted by healthcare professionals for over 30 years, this vegan, gluten-free, and non-GMO formula offers a powerful, natural antimicrobial and antioxidant boost in a compact, easy-to-use liquid form. ## Description NutriBiotic Maximum GSE Liquid Concentrate provides the highest available concentration of Citricidal brand grapefruit seed extract, a natural compound derived from the seed and pulp of grapefruit. This formula is used by healthcare professionals worldwide. FOR EXTERNAL USE ONLY! WARNING: KEEP OUT OF REACH OF CHILDREN. ALWAYS DILUTE! DO NOT USE FULL STRENGTH. DO NOT PUT IN EYES. AVOID ALL CONTACT WITH SENSITIVE AREAS. IF FULL STRENGTH CONTACT OR IRRITATION OCCURS, FLUSH WITH WATER FOR AT LEAST 10 MINUTES. IRRITATION IS TEMPORARY AND MAY LAST UP TO 48 HOURS. Review: Producto MUY caro para el tamaño! Un envase muy pequeño. Review: This GSE is great for so many natural anti microbial tasks, from humidifiers water to a sore throat or chest congestion gargle. So good! Also great to mis in water for a bladder infection. ## Features - HIGHEST CONCENTRATION OF GRAPEFRUIT SEED EXTRACT: high-quality and maximum potency - THE TRIED & TRUE MAX GSE: from the original manufacturer of Grapefruit Seed Extract - studied, recommended & trusted by healthcare professionals for over 30 years. Made in the USA - FULL SPECTRUM OF BIOFLAVONOIDS WITH MULTIPLE BENEFITS: this premium grade formula works synergistically. Derived from nature, this powerful formula includes the pulp, seeds & inner rind of grapefruit—all the components of grapefruit that have been found to be beneficial—and contains a full spectrum of bioflavonoids, which are polyphenolic plant-derived compounds - YOU’LL BE HAPPY IT’S MISSING: vegan, gluten free, and made without GMOs, artificial preservatives, artificial flavors, sweeteners, fillers, dairy, soy, eggs, yeast, peanuts, tree nuts, fish, crustacean shellfish, wheat, corn, making NutriBiotic Maximum GSE an excellent choice - A TRUSTED SOURCE FOR OVER 40 YEARS: NutriBiotic was founded with the guiding principle that everyone deserves good health and continues to help customers achieve healthier, happier lives by providing innovative, high quality nutritional supplements and personal care products ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09HCNGTQR | | ASIN | B09HCNGTQR | | Additives | Grapefruit Seed Extract | | Age Range Description | Adult | | Best Sellers Rank | #70,172 in Health ( See Top 100 in Health ) #226 in Fruits Extract Supplements #686 in Antioxidant Supplements | | Brand | NutriBiotic | | Customer Reviews | 4.6 4.6 out of 5 stars (244) | | Customer reviews | 4.6 4.6 out of 5 stars (244) | | Date First Available | 11 February 2022 | | Format | Liquids | | Item model number | 995 | | Manufacturer | NutriBiotic | | Package Dimensions | 11.81 x 8.99 x 3.1 cm; 59 g | | Units | 29.57 Milliliters | ## Product Details - **Brand:** NutriBiotic - **Diet type:** Vegan - **Flavour:** Unflavored - **Item form:** Liquids - **Product benefits:** gluten free ## Images ![NutriBiotic – Maximum GSE, 1 Oz Liquid | Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Highly Potent, Vegan, Gluten Free & Non-GMO - Image 1](https://m.media-amazon.com/images/I/51e-UGLapjS.jpg) ## Customer Reviews ### ⭐⭐⭐ Review *by J***. on 12 January 2026* Producto MUY caro para el tamaño! Un envase muy pequeño. ### ⭐⭐⭐⭐⭐ Review *by C***R on 23 November 2025* This GSE is great for so many natural anti microbial tasks, from humidifiers water to a sore throat or chest congestion gargle. So good! Also great to mis in water for a bladder infection. ### ⭐⭐⭐⭐⭐ Review *by B***T on 14 September 2024* I use this as a preservative for fresh squeezed juices, for cleaning fruit, and take it with me when I travel. Put it in smoothies to prevent stomach bugs. works great for me. ## Frequently Bought Together - NutriBiotic – Maximum GSE, 1 Oz Liquid | Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Highly Potent, Vegan, Gluten Free & Non-GMO - NutriBiotic – GSE, 2 Oz Liquid | The Original Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Potent Immune & Overall Health Support | Vegan, Gluten Free, Non-GMO - NutriBiotic – GSE, 4 Oz Liquid | The Original Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Vegan, Gluten Free, Non-GMO --- ## 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.is/products/413801029-nutribiotic-maximum-gse-1-oz-liquid-grapefruit-seed-extract-premium](https://www.desertcart.is/products/413801029-nutribiotic-maximum-gse-1-oz-liquid-grapefruit-seed-extract-premium) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-04-25*