10 Best Vitamin C Gentle On Stomach of 2025

Tested and Reviewed: Top 10 Vitamin C Gentle On Stomach deals with expert ratings from 8.1 to a perfect 10

June 2026 Edition

Editor's Choice

9.7

Save 35%

Ester-C

Ester-C 500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin C Supplement, 90 Count

35% Off

Editor's bottom line:

“This vitamin c gentle on stomach is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

One 90 count bottle of Ester-C 24 Hour 500 mg Vitamin C Tablets for Immune Support (1)
This Vitamin C Supplement is clinically studied to last up to two times longer than regular Vitamin C (1)(2)
These non-GMO, gluten free vegetarian vitamins are made with no artificial color, flavor, or sweetener
Vitamin C 500 mg tablets support upper respiratory health (1)
For adults, take two Ester-C 500 mg Vitamin C immune support supplements once daily, preferably with a meal (1)

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Picked by 397 people today

Best Value

9.5

Save 44%

NUTRAHARMONY

Liposomal Vitamin C 1700 mg - High Absorption Fat Soluble Complex - Antioxidant, Energy Boost & Immune Support - Vitamin C Supplement - NON-GMO, SOY-Free & Gentle on Stomach - 180 Capsules

44% Off

Main Highlights

Liposomal Vitamin C 1700mg experience the full power of Vitamin C: Vitamin C combining ascorbic acid and fat-soluble ascorbyl palmitate for enhanced absorption and antioxidant protection. This advanced complex supports immune health, energy production, and cellular defense scientifically designed for optimal daily use.
Ultra-Absorbable Formula delivers a potent 1700mg dose using liposomal technology, which ensures maximum bioavailability by protecting Vitamin C and enabling fast, direct absorption through mucous membranes. Gentle on the stomach & effective for daily support.
Energy, Immunity & Antioxidant Support formulated to help maintain a balanced immune system, support sustained energy levels without crashes, and provide powerful antioxidant defense. Supports skin health, cellular vitality, and overall wellness your daily foundation for resilience & vitality.
Made in the USA With Globally Sourced Ingredients crafted in a GMP-certified facility in the USA using premium-quality, non-GMO ingredients from trusted global sources. Every batch is produced with strict quality standards to ensure safety, purity, and consistent results.
Trustworthy Service at NUTRAHARMONY, we stand behind our Vitamin C supplements and your health. From carefully selected ingredients to precision manufacturing, we support your wellness journey with reliable products and dedicated customer care.

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9.5

American Health

American Health Ester-C with Citrus Bioflavonoids Capsules - Gentle On Stomach, Non-Acidic Vitamin C - 500 mg, 60 Servings, 120 Count

Main Highlights

24-Hour Immune Support; Ester-C delivers 24-hour immune support, so one daily serving of 1000 mg is all you need; As a potent antioxidant, it helps fight free radicals, which can cause oxidative stress that may lead to the premature aging of cells
Gentle On The Stomach; Ester-C's water-based manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach
Optimal Absorption; Added citrus bioflavonoids may help your body better absorb and utilize Vitamin C
Naturally-Occurring Metabolites; The naturally-occurring metabolites in Ester-C may help enhance the retention of Vitamin C in your white blood cells, an important part of your immune system
No gluten, no yeast, no wheat, no milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no artificial flavors, no sodium; Non-GMO

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9.2

American Health

Ester-C American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count

Main Highlights

24-Hour Immune Support; Ester-C delivers 24-hour immune support, so one daily serving of 1000 mg is all you need; As a potent antioxidant, it helps fight free radicals, which can cause oxidative stress that may lead to the premature aging of cells
Gentle On The Stomach; Ester-C's water-based manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach
Optimal Absorption; Added citrus bioflavonoids may help your body better absorb and utilize Vitamin C
Naturally-Occurring Metabolites; The naturally-occurring metabolites in Ester-C may help enhance the retention of Vitamin C in your white blood cells, an important part of your immune system
No gluten, no yeast, no wheat, milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no artificial flavors, no sodium; Non-GMO

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9.0

Solgar

Solgar Ester-C Plus 1000 mg Vitamin C (Ascorbate Complex), 90 Tablets - Gentle On The Stomach & Non Acidic - Antioxidant & Immune System Support - Non GMO, Vegan, Gluten-Free, Kosher - 90 Servings

Main Highlights

Well-Retained; The Vitamin C metabolites in Ester-C positively impact retention of Vitamin C in cells; This complex yields beneficial antioxidant and immune system support; Includes natural bioflavonoids, acerola berry, and rose hips fruit powder
Unique Formula; Special manufacturing process creates a unique calcium ascorbate metabolite complex; Less acidic, pH neutral Vitamin C for sensitive stomachs; Easy to digest, highly-absorbable
Immune Support & More; Solgar Ester-C Plus 1000 mg Vitamin C Tablets also contribute to collagen formation for healthy skin and cartilage; Increases iron absorption
Non-GMO, Vegan, Kosher & Gluten Free; Solgar Ester-C Tablets with 1000 mg of Vitamin C are free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, and color
The Gold Standard: For over 70 years Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials

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8.8

Ester-C

Ester-C Vitamin C 1000 mg Coated Tablets, Immune System Booster, Stomach-Friendly Supplement, 120 Count

Main Highlights

Ester-C tablets give you immune system support at the cellular level for up to 24 hours to maintain a healthy immune system (1); Ester-C is non-acidic and gentle on your stomach so you can comfortably take it every day
Ester-C tablets give your immune system the support it needs while also providing your body with antioxidant vitamin C to help fight free radicals (1); One tablet a day can give your body the immune support it needs 24/7 (1)
Ester-C also contains C-Sorb which is a citrus bioflavonoids complex; Ester-C along with C-Sorb & naturally occurring metabolites works synergistically to enhance the retention of Vitamin C in your body to support your immune system for 24 hours (1)
Ester-C 1000mg tablets provide the immune support you can count on all day every day (1); A daily dose of Ester-C tablets gets absorbed into your white blood cells and stays there for up to 24 hours which is longer than regular Vitamin C supplements (1)
Ester-C is manufactured without chemicals to neutralize pH which means it's non-acidic & gentle on your stomach (1)

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8.6

Save 29%

Solgar

Solgar Ester-C Plus 500 mg Vitamin C (Ascorbate Complex), 100 Vegetable Capsules - Gentle & Non Acidic - Antioxidant & Immune Support - Non GMO, Vegan, Gluten-Free, Kosher - 100 Servings

29% Off

Main Highlights

Well-Retained; The Vitamin C metabolites in Ester-C positively impact retention of Vitamin C in cells; This complex yields beneficial antioxidant and immune system support; Includes natural bioflavonoids, acerola berry, and rose hips fruit powder
Unique Formula; Special manufacturing process creates a unique calcium ascorbate metabolite complex; Less acidic, pH neutral Vitamin C for sensitive stomachs; Easy to digest, highly-absorbable
Immune Support & More; Solgar Ester-C Plus 500 mg Vitamin C Vegetable Capsules also contribute to collagen formation for healthy skin and cartilage; Increases iron absorption
Non-GMO, Vegan, Kosher & Gluten Free; Solgar Ester C Vegetable Capsules with 500 mg of Vitamin C are free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, and color
The Gold Standard: For over 70 years Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials

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8.3

Bronson

Bronson Sodium Ascorbate Non Acidic Vitamin C 1000 Mg Tablets - Gentle On The Stomach - Immune System Booster - Powerful Antioxidant - Non GMO Vitamin C Supplement, 250 Count

Main Highlights

Gentle on the Stomach: A non-acidic form of Vitamin C, as Sodium Ascorbate.
Laboratory: This product has been tested for GMO and it is GMO-FREE.
Superior Quality: All Bronson products are tested in our state-of-the-art cGMP registered facility in New York.
Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.

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8.1

Wholesome Wellness

Wholesome Wellness Liposomal Vitamin C Capsules (200 Pills 1500mg Buffered) High Absorption, Immune System & Collagen Booster, High Dose Fat Soluble Immunity Support Ascorbic Acid, Natural Vegan

Main Highlights

Amazing Value Liposomal Vitamin C. Our product contains 200 vegetable capsules of 1500 mg of liposomal vitamin C per serving in each bottle for a full 100-day supply. Our pure formula includes 1450 mg of pure Liposomal Vitamin C and only 50mg of sunflower oil and lecithin phospholipids compared to other products with large amounts of filler phospholipids. Efficiently utilizing the phospholipids sunflower lecithin creates liposomes that help your body more effectively absorb the entire vitamin C.
Fat-Soluble Vitamin C. Our Liposomal Vitamin C complex supports your immune system. The powerful combination of sunflower phospholipids, which are the building blocks of cell membranes, and Vitamin C creates an antioxidant supplement that neutralizes harmful free radicals caused by toxins and pollutants.
Antioxidant Health Benefits. Vitamin C, ascorbate, is a powerful antioxidant that helps protect against free radical damage.
Mega Healthy Lifestyle. Our Liposomal Vitamin C Capsules are non-GMO, soy-free, gluten-free, organic, vegetarian, doctor-formulated, and dairy-free. They use sodium ascorbate and palmitic acid to create Ascorbyl palmitate, a fat-soluble form of Vitamin C. When combined with a phospholipid such as sunflower lecithin, the capsule creates a liposomal environment encapsulation, which allows for exceptional absorption and provides great health benefits for kids, teens, and adults.
Satisfaction Guarantee. If for any reason youre not fully satisfied now, well refund your entire Liposomal Vitamin C capsule purchase with no hassles. Made in the USA in a GMP manufacturing labs facility. Doctor-recommended vitamin capsule product. More powerful than regular vc 180, 250, 500, 500mg, c1000, 1000, 1000mg, 1200mg, 2000mg, 5000 vitamins c packets, tablets, chewable gummy gummies, softgels, powder, suppositories, liquid drinks, sublingual drops, crystals, and lozenges.

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8.1

INNERVISNUTRITION

Buffered Vitamin C 1500mg, Non-Acidic Stomach Friendly Calcium Ascorbate Capsules for Immune Support, Gentle on Digestive System - 150 Veggie Caps by Innervis Nutrition

Main Highlights

ULTRA POTENT GENTLE FORMULA: Deliver 1500mg of high-potency Vitamin C per serving. Our buffered formula uses Calcium Ascorbate to neutralize acidity, making it the perfect choice for those with sensitive stomachs who can't tolerate regular ascorbic acid.*
NON-ACIDIC & STOMACH FRIENDLY: Experience the benefits of Vitamin C without the digestive discomfort. This non-acidic buffered Vitamin C is designed for maximum absorption and gastrointestinal comfort, supporting your daily wellness routine easily.*
POWERFUL IMMUNE SYSTEM SUPPORT: Boost your bodys natural defenses. Our Vitamin C capsules provide essential antioxidant protection, helping to fight free radicals and supporting healthy collagen production for skin, joints, and overall vitality.*
HIGH ABSORPTION CALCIUM ASCORBATE: Unlike standard tablets, our buffered capsules ensure better bioavailability. Enhanced with Calcium, this formula provides a steady release of Vitamin C to keep your immune system strong throughout the day.*
PURE & VEGAN FRIENDLY: Made with non-GMO ingredients in a GMP-certified facility. Our vegan capsules contain no artificial colors or preservatives. Quality you can trust from Innervis Nutrition for your long-term health goals.*

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Our Best Overall Choice

Best Choice

9.7

Ester-C

Ester-C 500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin C Supplement, 90 Count

35% Off

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

One 90 count bottle of Ester-C 24 Hour 500 mg Vitamin C Tablets for Immune Support (1)
This Vitamin C Supplement is clinically studied to last up to two times longer than regular Vitamin C (1)(2)
These non-GMO, gluten free vegetarian vitamins are made with no artificial color, flavor, or sweetener
Vitamin C 500 mg tablets support upper respiratory health (1)
For adults, take two Ester-C 500 mg Vitamin C immune support supplements once daily, preferably with a meal (1)

Show Price

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