10 Best Vitamin C 1000mg of 2026

Last updated on 05/24/2026
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Best Choice
1
9.9
Exceptional
Sports Research High Potency Vitamin C Supplement - Vegan Veggie Capsules for Antioxidant Activity & Immune Support - Non-GMO Verified & Gluten Free - Ascorbic Acid Vitamin C 1000mg, 240 Count
Sports Research

Sports Research High Potency Vitamin C Supplement - Vegan Veggie Capsules for Antioxidant Activity & Immune Support - Non-GMO Verified & Gluten Free - Ascorbic Acid Vitamin C 1000mg, 240 Count

Why we love it
  • Essential Vitamin C for health.
  • Powerful antioxidant for cell support.
  • Quality assured and customer-focused.
Main Highlights
  • HIGH POTENCY VITAMIN C: Our 1000 mg Vitamin C capsules deliver a high concentration of this essential nutrient in a convenient one-a-day veggie capsule
  • ENHANCED SUPPORT: Help keep your body functioning at its best with this immune support supplement. Rich with powerful antioxidants, our Vitamin C capsules play a role in helping healthy cells and promote antioxidant activity*
  • VEGAN CERTIFIED: We hold our supplements to a higher standard. That’s why you can rest assured that our vegan Vitamin C is non-GMO verified, gluten-free and soy-free
  • PREMIUM EXPERIENCE: Our Vitamin C supplement is delivered in a convenient once-daily veggie capsule, without the binders, extra ingredients, or other unnecessary stuff. Manufactured in a cGMP-compliant facility in the USA.
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out
9.9
Exceptional
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.8
Exceptional
Solgar Vitamin C 1000 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Healthy Skin & Joints - Bioflavonoids Supplement - Non GMO, Vegan, Gluten No, Kosher - 250 Servings
Solgar

Solgar Vitamin C 1000 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Healthy Skin & Joints - Bioflavonoids Supplement - Non GMO, Vegan, Gluten No, Kosher - 250 Servings

Why we love it
  • Supports immune health naturally.
  • Boosts energy and fights aging.
  • Promotes healthy skin and joints.
Main Highlights
  • Immune Support; Solgar Vitamin C 1000 mg helps support a healthy immune system; It also plays an essential role in the functioning of white blood cells which are vital components of the immune system
  • Powerful Antioxidant And Energy Booster; Vitamin C helps fight free radicals, which can lead to oxidative stress and the premature aging of cells
  • Healthy Skin And Joints; One of the primary functions of Vitamin C is collagen formation, which is important for healthy skin and joints
  • Non GMO And Gluten Free; Solgar Vitamin C 1000 mg Vegetable Capsules are suitable for vegans; Free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor and sweetener
  • 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
9.8
Exceptional
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3
9.6
Superb
Nature Made Vitamin C 1000 mg Extra Strength, Dietary Supplement for Immune Support, 300 Tablets, 300 Day Supply
Nature Made

Nature Made Vitamin C 1000 mg Extra Strength, Dietary Supplement for Immune Support, 300 Tablets, 300 Day Supply

Why we love it
  • Supports immune health effectively.
  • Promotes healthy skin production.
  • Gluten-free and no artificial flavors.
Main Highlights
  • Immune support supplement: contains one 300 count bottle of Nature Made Vitamin C 1000mg Extra Strength Tablets for a 300-day supply
  • These Nature Made Vitamin C tablets 1000mg are Vitamin C supplements that help support immune health and provide antioxidant support
  • Vitamin C is necessary for the body to produce collagen, which helps support healthy skin
  • Vitamin C supplements for women and men; Adults take one Vitamin C tablet daily with water and a meal
  • This daily Vitamin C supplement has no color added, no artificial flavors, no added preservatives and is gluten-free
  • United States Pharmacopeia (USP) Verified, #1 Pharmacist Recommended Vitamin & Supplement Brand*
  • These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
9.6
Superb
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6
9.3
Superb
NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets
NOW Foods

NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets

Why we love it
  • Sustained release for lasting effects.
  • Infused with beneficial rose hips.
  • Vegan and non-GMO certified.
Main Highlights
  • SUSTAINED RELEASE: NOW Vitamin C-1000 was specially formulated to provide a sustained release of vitamin C, known for its vital role in the immune system
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • WITH ROSE HIPS: Added source of vitamin C.
  • CERTIFICATIONS/CLASSIFICATIONS: Vegan/Vegetarian, Quality GMP Assured, Non-GMO, Soy Free, Kosher
  • 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).
  • Packaged in the USA by a family owned and operated company since 1968.
9.3
Superb
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7
9.2
Superb
THORNE - Vitamin C 1,000 mg Supplement - Supports Healthy Immune Function & Collagen Formation - Provides Antioxidant Benefits* - Third-Party Certified - Gluten, Dairy & Soy-Free - 60 Capsules
THORNE

THORNE - Vitamin C 1,000 mg Supplement - Supports Healthy Immune Function & Collagen Formation - Provides Antioxidant Benefits* - Third-Party Certified - Gluten, Dairy & Soy-Free - 60 Capsules

Why we love it
  • Supports strong immune function.
  • Enhances skin and hair health.
  • Trusted by top professionals.
Main Highlights
  • Vitamin C: Each capsule provides 1,000 mg of this essential vitamin to promote optimal immune function and overall health year-round*
  • Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health, and supports healthy tissue and cartilage formation to benefit cellular skin repair*
  • Detox Benefits: Helps increase glutathione to support liver detoxification and provides antioxidant properties that promote the body's natural ability to eliminate toxins*
  • Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
  • Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
9.2
Superb
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8
9.1
Superb
Pure Encapsulations Ascorbic Acid Capsules - 1,000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules
Pure Encapsulations

Pure Encapsulations Ascorbic Acid Capsules - 1,000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules

Why we love it
  • High-potency immune support.
  • Pure ingredients for peace of mind.
  • Antioxidant-rich for cellular health.
Main Highlights
  • High-Potency Vitamin C: Each capsule delivers 1,000 mg of vitamin C to support immune health and antioxidant activity*
  • Well-Known Antioxidants Supplement: Ascorbic acid is an antioxidant that supports your body's natural defense mechanisms*
  • Immunity Support: Vitamin C plays a role in supporting the function of various immune cells and the maintenance of healthy cellular activity*
  • Suggested Usage: As a dietary supplement, take 1 ascorbic acid vitamin C capsule, 1-4 times daily, with meals
  • Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs
9.1
Superb
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9
8.9
Excellent
Save 15%
Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose Hips | High Strength Formula | Non-GMO and Gluten Free Supplement
Carlyle

Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose Hips | High Strength Formula | Non-GMO and Gluten Free Supplement

15% Off
Why we love it
  • High strength Vitamin C boost.
  • Vegetarian-friendly with added support.
  • Quality you can trust always.
Main Highlights
  • HIGH STRENGTH VITAMIN C: Convenient caplets deliver 2,000 mg Vitamin C (Ascorbic Acid) per serving
  • VEGETARIAN FORMULA: Designed for a vegetarian lifestyle, made with Rose Hips for added support
  • ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
  • CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Soy, Artificial Color & Flavoring & NON-GMO
8.9
Excellent
Save 15%
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10
8.8
Excellent
NOW Foods Supplements, Vitamin C-1,000 with 100 mg of Bioflavonoids, Antioxidant Protection*, 250 Veg Capsules
NOW Foods

NOW Foods Supplements, Vitamin C-1,000 with 100 mg of Bioflavonoids, Antioxidant Protection*, 250 Veg Capsules

Why we love it
  • Vegetarian and vegan-friendly formula.
  • Packed with essential bioflavonoids.
  • Trusted quality from a family business.
Main Highlights
  • ANTIOXIDANT PROTECTION*: NOW offers you this yearly supply of vegetarian/vegan Vitamin C-1000 in a convenient easy to swallow capsule! Did you know Vitamin C is essential for the production of collagen?*
  • WITH BIOFLAVONOIDS: One capsule a day packed with vitamin C gives you antioxidant protection and 100 mg of bioflavonoids to support your immune system*
  • CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free, Dairy Free, Egg Free, Nut Free, Made Without Gluten, Vegetarian/Vegan
  • GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
  • Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
8.8
Excellent
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Related Deals You Might Like for Vitamin C 1000mg

📊We scanned 257 products
🔍
We reviewed the most relevant Vitamin C 1000mg offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Sports Research, Solgar, Nature Made, Nature's Bounty, Nutricost, NOW Foods, THORNE, Pure Encapsulations, Carlyle, known for dependable quality and smart design.
⭐
To determine today's best Vitamin C 1000mg, we analyzed 1286 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Sports Research High Potency Vitamin C Supplement - Vegan Veggie Capsules for Antioxidant Activity & Immune Support - Non-GMO Verified & Gluten Free - Ascorbic Acid Vitamin C 1000mg, 240 Count

Our overall winner is Sports Research High Potency Vitamin C Supplement - Vegan Veggie Capsules for Antioxidant Activity & Immune Support - Non-GMO Verified & Gluten Free - Ascorbic Acid Vitamin C 1000mg, 240 Count by Sports Research. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Essential Vitamin C for health.
✓Powerful antioxidant for cell support.
✓Quality assured and customer-focused.
💎 Best Value
Solgar Vitamin C 1000 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Healthy Skin & Joints - Bioflavonoids Supplement - Non GMO, Vegan, Gluten No, Kosher - 250 Servings

The best value for most shoppers is Solgar Vitamin C 1000 mg, 250 Vegetable Capsules - Antioxidant & Immune Support - Overall Health - Healthy Skin & Joints - Bioflavonoids Supplement - Non GMO, Vegan, Gluten No, Kosher - 250 Servings by Solgar, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose Hips | High Strength Formula | Non-GMO and Gluten Free Supplement

The strongest deal right now for Vitamin C 1000mg is Carlyle Vitamin C 1000mg | 300 Vegetarian Caplets | Ascorbic Acid with Wild Rose Hips | High Strength Formula | Non-GMO and Gluten Free Supplement at Carlyle, currently at 15% off.

🔄Our Vitamin C 1000mg ranking is updated regularly to reflect new releases and price changes-check back for the latest picks and deals.