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Suggested use: take one capsule one to two times daily with or without meals. 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.
Not recommended for children under 12 years of age. The tried & true original gse: the original manufacturer of Grapefruit Seed Extract - studied, recommended and trusted by healthcare professionals for over 30 years.


*. It helps maintain normal urine flow and promotes urinary tract health. *. Bladder support - grapefruit seed extract gse is a natural diuretic that supports bladder function by helping eliminate excess fluids from your system.
Digestive health - the beneficial properties found in grapefruit seed extract may help maintain digestive balance by supporting healthy gut. This product contributes to overall digestive wellness when taken regularly over time. Free radicals are atoms or groups of atoms that have one or more unpaired electrons and can damage cells in the body. They also act as antioxidants.


This combination means you are getting 20, 000 mg strength per capsule - the strongest dosage available! Maximum value / maximum strength: each bottle contains 180 veggie capsules, each capsule contains a robust 400 mg of a potent 50:1 Grape Seed Extract, and the extract contains a minimum of 95% Polyphenols.
The capsules are made from cellulose, are 100% vegetarian, derived from plants. You can rest assured that you get the best value for your money!100% vegetarian: all ingredients, as well as the capsules, and made from the purest sources available. High bioavailability, which are the powder, standardized 50:1 extract containing a minimum of 95% polyphenols. The key to our extraction is an all-natural process that ensures high bioavailablity - which means your body receives maximum absorption and maximum benefits. Gold standard production: your health and safety mean everything to us.

A unique combination of natural ingredients: includes essential nutrients vitamin C and zinc, astragalus, along with several herbs that provide powerful immune and antioxidant support: echinacea, ginger root and berberine containing Oregon grape root, along with grapefruit seed extract GSE and soothing yarrow*.
A trusted source for over 40 years: we were founded with the guiding principal that everyone deserves good health, PhD, and inspired by the research and recommendations of Linus Pauling, the world’s first two-time Nobel Laureate and pioneer of Vitamin C nutritional research.

I. Gastrointestinal health: grapefruit Seed Extract supports a healthy environment in the gastrointestinal tract to promote G. I. Pure difference: what makes us different isn't just our process or what goes into our supplements -- what we leave out matters, and unnecessary binders, GMOs, too.
Function and comfort. *. Balance support: grapefruit Seed extract provides 40% flavonoids, supporting healthy microbial balance in the gastrointestinal tract. *. Balancing extract promoting healthy microflora and gut ecology. *.

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.
Full spectrum of bioflavonoids with multiple benefits: this premium grade dietary supplement works synergistically to help provide immune support and nutrition. Suggested use: take one tablet one to three times daily with or without meals. The tried & true original gse: the original manufacturer of Grapefruit Seed Extract - studied, recommended & trusted by healthcare professionals for over 30 years. Not recommended for children under 6 years of age.

*. Classifications/certifications: non-gmo, kosher, Nut Free, Quality GMP Assured, Dairy Free, Vegan/Vegetarian, Soy Free, egg free, Made Without Gluten.
*. During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided. Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods for stability, potency, and product formulation.

A trusted source for over 40 years: founded with the guiding principle that everyone deserves good health and inspired by the research and recommendations of Linus Pauling, the world’s first two-time Nobel Laureate and pioneer of Vitamin C nutritional research, health practitioners, PhD, NutriBiotic has gained the respect of many natural food stores, and consumers worldwide.
1. Nutribiotic
#ad
NutriBiotic – Grapefruit Seed Extract Capsules 250mg, Gluten Free, 60 Count | Maximum Strength with Bioflavonoids | Potent Immune & Overall Health Support | Easy to Swallow | Vegan, Non-GMO
#adNutribiotic #ad - Made in the usA in cGMP-compliant facilities. You’ll be happy it’s missing: vegan, or common allergens such as dairy, peanuts, yeast, fillers, and made without GMOs, artificial preservatives, soy, or shellfish, eggs, gluten free, making NutriBiotic GSE Capsules an excellent choice for supplementation.Suggested use: take one capsule one to two times daily with or without meals. 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.
More information #ad
Full spectrum of bioflavonoids with multiple benefits: this premium grade, this powerful formula includes the pulp, high-absorption vegan capsules. Derived from nature, and inner rind of grapefruit—all the components of grapefruit that have been found to be beneficial—and provides a full spectrum of bioflavonoids, high potency GSE works synergistically to help provide immune support and nutrition in easy to swallow, seeds, which are polyphenolic plant-derived compounds. Not recommended for children under 12 years of age. The tried & true original gse: the original manufacturer of Grapefruit Seed Extract - studied, recommended and trusted by healthcare professionals for over 30 years.
Brand | Nutribiotic #ad |
Manufacturer | Nutribiotic #ad |
Height | 4.13 Inches |
Length | 2 Inches |
Weight | 0.12 Pounds |
Width | 2 Inches |
Part Number | B002QP9FAS |
Model | B002QP9FAS |
More information #ad
2. Carlyle
#ad
Grapefruit Seed Extract | 500 mg 120 Capsules | Maximum Strength | Non-GMO, Gluten Free | Carlyle
#adCarlyle #ad - Tropical nutrition: Densely abundant fruit source naturally enriched with Polyphenols. Carlyle manufacturers: laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!. Naturally free of: gluten, milk, wheat, lactose, Soy, Yeast, Artificial Color & Flavoring & NON-GMO.More information #ad
Mineral rich: grapefruit Seed Extract delivers essential vitamins and nutrients for strong wellness*. Optimal absorption: delivers 500 mg of potent, Grapefruit Seed Extract in Quick-Release capsules.Brand | Carlyle #ad |
Manufacturer | Carlyle #ad |
Height | 4.3 Inches |
Length | 2 Inches |
Width | 2 Inches |
Part Number | CL14260 |
More information #ad
3. BulkSupplements
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GSE Grapefruit Seed Extract 100 Gelatin Capsules, 100 Servings, Grapefruit Seed Extract Tablets, BulkSupplements.com Grapefruit Seed Extract Capsules
#adBulkSupplements #ad - Contains bioflavonoids - bioflavonoids are plant pigments that give fruits and vegetables their color. Antioxidant - antioxidants help protect the body from free radicals. Grapefruit seed extract contains bioflavonoids, promote brain health, which may support heart health, and contribute to healthy skin.*. It helps maintain normal urine flow and promotes urinary tract health. *. Bladder support - grapefruit seed extract gse is a natural diuretic that supports bladder function by helping eliminate excess fluids from your system.
More information #ad
Gse has been shown to support bladder health by supporting the elimination of excess fluids. Digestive health - the beneficial properties found in grapefruit seed extract may help maintain digestive balance by supporting healthy gut. This product contributes to overall digestive wellness when taken regularly over time. Free radicals are atoms or groups of atoms that have one or more unpaired electrons and can damage cells in the body. They also act as antioxidants.
Brand | BulkSupplements #ad |
Manufacturer | Bulksupplements #ad |
Height | 7.2 Inches |
Length | 5 Inches |
Width | 1.5 Inches |
Part Number | GFS100GC |
More information #ad
4. SOLARAY
#ad
250 mg | 60 Count, Solaray Grapefruit Seed Extract Immunity Formula Capsules
#adSOLARAY #ad - Every solaray product is rigorously tested to ensure you get the results you expect. Our goal is to bring all of the earth's healthful nutrients to you. Let solaray help you Shine.More information #ad
Brand | SOLARAY #ad |
Manufacturer | Solaray #ad |
Height | 4.19 Inches |
Length | 2 Inches |
Weight | 0.14 Pounds |
Width | 2 Inches |
Part Number | 8738395 |
Model | 8738395 |
More information #ad
5. Zazzee
#ad
Non-GMO and All-Natural, 180 Vegan Capsules, Potent 50:1 Extract, 6 Month Supply, 95% Polyphenols Proanthocyanidins, Zazzee Grape Seed Extract 20,000 mg Strength, 400 mg per Capsule
#adZazzee #ad - For that reason, our grape seed extract is manufactured in the USA, in a fully compliant facility with adherence to good manufacturing policies and under the most stringent quality control. Potent antioxidant support: at 400 mg per capsule of a concentrated, our Grape Seed Extract offers a large dose of potent, highly standardized 50;1 extract, powerful antioxidant support for cleansing your body of toxins and free radicals.This combination means you are getting 20, 000 mg strength per capsule - the strongest dosage available! Maximum value / maximum strength: each bottle contains 180 veggie capsules, each capsule contains a robust 400 mg of a potent 50:1 Grape Seed Extract, and the extract contains a minimum of 95% Polyphenols.
More information #ad
As an antioxidant, 50 times more effective than vitamin E, Grape Seed Extract is 20 times more effective than vitamin C, and has the added benefit of boosting the effectiveness of other antioxidants in your system. The capsules are made from cellulose, are 100% vegetarian, derived from plants. You can rest assured that you get the best value for your money!100% vegetarian: all ingredients, as well as the capsules, and made from the purest sources available. High bioavailability, which are the powder, standardized 50:1 extract containing a minimum of 95% polyphenols. The key to our extraction is an all-natural process that ensures high bioavailablity - which means your body receives maximum absorption and maximum benefits. Gold standard production: your health and safety mean everything to us.
Brand | Zazzee #ad |
Manufacturer | Zazzee Naturals #ad |
Height | 4.5 Inches |
Length | 2.75 Inches |
Weight | 0.28 Pounds |
Width | 2.75 Inches |
Part Number | GSE180400 |
More information #ad
6. Nutribiotic
#ad
90 Tablets | 11 in 1 Immune Support with Vitamin C, Zinc, Echinacea, Astragalus Root & Immune Boosting Extracts & Mushrooms | Vegan & Gluten Free, NutriBiotic – DefensePlus, Grapefruit Seed Extract
#adNutribiotic #ad - Mushrooms are part of the magic: contains nature’s premier immune boosting mushroom extracts including reishi, maitake, and shiitake, providing a host of additional benefits that contribute to providing a robust immune defense*. You’ll be happy it’s missing: vegan, and made without gmos, or shellfish, fillers, peanuts, yeast, preservatives, gluten free, soy, or common allergens such as dairy, eggs, making DefensePlus an immunity booster you can feel good about taking.A unique combination of natural ingredients: includes essential nutrients vitamin C and zinc, astragalus, along with several herbs that provide powerful immune and antioxidant support: echinacea, ginger root and berberine containing Oregon grape root, along with grapefruit seed extract GSE and soothing yarrow*.
More information #ad
Easy on the go, boosting your immune system when it needs support the most; our formula is designed to be easy on digestion, work, easy on the stomach: easy to take tablets make it ideal for traveling, and active lifestyles, making it a great immune support supplement for adults and kids alike*. A trusted source for over 40 years: we were founded with the guiding principal that everyone deserves good health, PhD, and inspired by the research and recommendations of Linus Pauling, the world’s first two-time Nobel Laureate and pioneer of Vitamin C nutritional research.
Brand | Nutribiotic #ad |
Manufacturer | Nutribiotic #ad |
Height | 4.25 Inches |
Length | 2.38 Inches |
Weight | 0.35 Pounds |
Width | 2.38 Inches |
Part Number | 728177010157 |
More information #ad
7. Pure Encapsulations
#ad
Pure Encapsulations Grapefruit Seed Extract | Supplement to Support The Balance of Intestinal Microorganisms and G.I. Tract* | 120 Capsules
#adPure Encapsulations #ad - Pure encapsulations products are free from wheat, gluten, artificial colors, eggs, flavors & peanuts, fillers & sweeteners, coatings and shellacs, tree nuts & preservatives. Concentrated formula: grapefruit seed extract is a highly concentrated G.I. Gastrointestinal health: grapefruit Seed Extract supports a healthy environment in the gastrointestinal tract to promote G. I. Pure difference: what makes us different isn't just our process or what goes into our supplements -- what we leave out matters, and unnecessary binders, GMOs, too.
More information #ad
Pure quality: our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity. Function and comfort. *. Balance support: grapefruit Seed extract provides 40% flavonoids, supporting healthy microbial balance in the gastrointestinal tract. *. Balancing extract promoting healthy microflora and gut ecology. *.
Brand | Pure Encapsulations #ad |
Manufacturer | Pure Encapsulations #ad |
Height | 1.9 Inches |
Length | 3.4 Inches |
Weight | 0.15 Pounds |
Width | 1.9 Inches |
Part Number | GR1 |
More information #ad
8. Nutribiotic
#ad
Non-GMO, Gluten Free, NutriBiotic – Grapefruit Seed Extract Tablets 125mg, 100 Count | Premium Grade GSE with Bioflavonoids | Potent Immune & Overall Health Support | Easy to Swallow | Vegan
#adNutribiotic #ad - Made in the USA. You’ll be happy it’s missing: vegan, eggs, corn, crustacean shellfish, artificial preservatives, artificial flavors, yeast, fish, tree nuts, or common food allergens such as dairy, sweeteners, peanuts, and made without GMOs, wheat, soy, gluten free, making NutriBiotic GSE Tablets an excellent choice for supplementation.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.
More information #ad
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 provides a full spectrum of bioflavonoids, which are polyphenolic plant-derived compounds. Full spectrum of bioflavonoids with multiple benefits: this premium grade dietary supplement works synergistically to help provide immune support and nutrition. Suggested use: take one tablet one to three times daily with or without meals. The tried & true original gse: the original manufacturer of Grapefruit Seed Extract - studied, recommended & trusted by healthcare professionals for over 30 years. Not recommended for children under 6 years of age.
Brand | Nutribiotic #ad |
Manufacturer | Nutribiotic #ad |
Height | 3.25 Inches |
Length | 1.75 Inches |
Weight | 0.14 Pounds |
Width | 1.75 Inches |
Part Number | 728177010133 |
Model | '728177010133 |
More information #ad
9. NOW
#ad
NOW Supplements, 90 Veg Capsules, Grape Seed a Highly Concentrated Extract with a Minimum of 90% Polyphenols Extra Strength 250 mg
#adNOW #ad - Packaged in the usa by a family owned and operated company since 1968. Highly concentrated extract: grape seed opcs may help to support the health of vascular, brain, and other tissues by supporting a healthy, bone, kidney, balanced immune response to oxidative and metabolic stress.*. Classifications/certifications: non-gmo, kosher, Nut Free, Quality GMP Assured, Dairy Free, Vegan/Vegetarian, Soy Free, egg free, Made Without Gluten.
More information #ad
Minimum of 90 percent polyphenols: over four times the grape seed extract as in our regular strength product 60 mg per capsule, offering even more free radical protection. *. During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided. Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods for stability, potency, and product formulation.
Brand | NOW #ad |
Manufacturer | NOW Foods #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 0.15 Pounds |
Width | 5 Inches |
Part Number | P33035 |
Model | P33035 |
More information #ad
10. Nutribiotic
#ad
NutriBiotic – GSE, Non-GMO, Gluten Free, 2 Oz Liquid | The Original Grapefruit Seed Extract Premium Concentrate with Bioflavonoids | Potent Immune & Overall Health Support | Vegan
#adNutribiotic #ad - The tried & true grapefruit seed extract: from the original manufacturer of GSE - studied, recommended & trusted by healthcare professionals for over 30 years. Made in the USA. You’ll be happy it’s missing: vegan, tree nuts, and made without gmos, corn, gluten free, crustacean shellfish, fillers, peanuts, wheat, eggs, artificial flavors, artificial preservatives, soy, fish, yeast, sweeteners, or the 8 common food allergens such as dairy, making NutriBiotic GSE an excellent choice for supplementation.More information #ad
Full spectrum of bioflavonoids with multiple benefits: this premium grade dietary supplement works synergistically to help provide immune support and nutrition *. Derived from nature: this powerful formula includes the pulp, seeds & inner rind of grapefruit—all the components found to be beneficial to overall health—including bioflavonoids & polyphenols. A trusted source for over 40 years: founded with the guiding principle that everyone deserves good health and inspired by the research and recommendations of Linus Pauling, the world’s first two-time Nobel Laureate and pioneer of Vitamin C nutritional research, health practitioners, PhD, NutriBiotic has gained the respect of many natural food stores, and consumers worldwide.
Brand | Nutribiotic #ad |
Manufacturer | Nutribiotic #ad |
Height | 4.5 Inches |
Length | 2 Inches |
Weight | 0.15 Pounds |
Width | 2 Inches |
Part Number | 0728177010003 |
Model | 728000000000 |
More information #ad