Nutribiotic Maximum Strength Grapefruit Seed Extract Review
NutriBiotic Maximum GSE Liquid Concentrate offers the highest concentration of grapefruit seed extract, formulated for maximum potency and quality. As the original manufacturer of Grapefruit Seed Extract since 1987, NutriBiotic has developed a product that has been extensively studied, recommended, and trusted by healthcare professionals globally for over three decades. This premium-grade formula is proudly made in the USA and is designed to work synergistically, providing a full spectrum of bioflavonoids. These beneficial polyphenolic plant-derived compounds are derived from nature, utilizing all the valuable components of grapefruit, including its pulp, seeds, and inner rind. The product is meticulously crafted to be free from common allergens and undesirable additives, making it an excellent choice for a wide range of dietary needs. It is 100% vegan, gluten-free, and non-GMO. Furthermore, NutriBiotic Maximum GSE is made without artificial preservatives, artificial flavors, sweeteners, or fillers. It is also free of dairy, soy, eggs, yeast, peanuts, tree nuts, fish, crustacean shellfish, wheat, and corn, ensuring a clean and pure supplement. The liquid concentrate boasts a pH of approximately 2.2, indicating its specific formulation. NutriBiotic, a small, California-based business, has been committed to its founding principle of "everyone deserves good health" since 1981. For over 43 years, the company has dedicated itself to helping individuals achieve healthier, happier lives by providing innovative, high-quality nutritional supplements and personal care products. This commitment extends to treating customers like family, fostering trust and reliability. The Maximum GSE Liquid Concentrate is also presented in a convenient travel size, adding to its practicality. This product is designed to offer potent antioxidant benefits, supporting overall health and wellness through its natural, carefully sourced ingredients. The brand emphasizes transparency and quality, ensuring that consumers receive a product that aligns with their health-conscious lifestyles.
Study, Trial or Testing Result SummaryMembersHuman studies
Review Totals and SummaryMembers5,467 reviews
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More DetailsMembersBody systems · Combine with · Possible side effects
Supplement FactsGrapefruit Seed Extract 250 mg
| Grapefruit Seed Extract | 250 mg | † |
Directions: Take one capsule one to two times daily with or without meals. Not recommended for children under 12 years of age. WARNING: Keep out of reach of children. Do not exceed suggested use without consulting a licensed healthcare professional.
Barcode (UPC) 728177009953 · Label source: Nutribiotic · Report a label change
Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

