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Updated: 18 Jul 2025

Top 10 Vitamin C Supplements

#1
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Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C Supplements with Zinc and Manganese, B Vitamins and Electrolytes, Super Orange Flavor - 90 Count/3 Month Supply

Brand: Emergen-C
$24.03 ($0.83 / Ounc
⭐ 4.8
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    90 count/3 month supply of Super Orange-flavored Emergen-C 1000mg Vitamin C Powder for Daily Immune Support, B Vitamins and Electrolytes
  • B vitamins for energy support and electrolytes to help replace those lost through perspiration (1)
  • Dietary supplements that support immune health with more vitamin C per serving than 10 oranges (2)
  • Dietary supplement that supports immune health (1) with antioxidants such as vitamin C, zinc and manganese, as well as having B vitamins and electrolytes
  • 1,000 mg vitamin C packets with delicious and refreshing natural orange flavor and natural sweeteners
  • Available in powdered vitamin mix form that easily dissolves in water
  • Mix one packet with 4 to 6 oz of water
  • Emergen-C Original Formula is also available in gummy and chewable forms
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#2
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Garden of Life - Vitamin Code Raw VitaminC - 120 Vegan Capsules, 500mg Whole Food VitaminC with Bioflavonoids, Fruits & Veggies, Probiotics, Gluten Free Vitamin-C Supplements for Adults

Brand: Garden of Life
$23.50 ($0.20 / Coun
⭐ 4.6
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    VITAMIN C 500mg FOR ADULTS: Essential for growth and tissue repair, Vitamin C promotes vision health, periodontal health and collagen, bone and cartilage formation; Raw Vitamin C provides 500mg of Vitamin C along with naturally occurring bioflavonoids
  • IMMUNE SYSTEM & HEART HEALTH: RAW whole food vitamin C provides support for immune system health, healthy heart, healthy skin and eyes; 23 powdered and organically grown fruits and vegetables add supporting antioxidants, vitamins and nutrient cofactors
  • PROBIOTICS AND ENZYMES: Our plant based C vitamin formula includes a RAW Probiotic and Enzyme blend of live probiotics – L. bulgaricus and L. plantarum – and enzymes such as Lipase, Protease and Bromelain, to support healthy digestion
  • VEGAN VITAMIN C: Our whole food vegan C vitamin is RAW, Dairy Free, and Third-Party Certified Non-GMO Project Verified, NSF Gluten Free, Vegan and Kosher
  • SAY YES TO CLEAN SUPPLEMENTS: Our whole food vegan vitamin C is Third-Party Certified Non GMO, Gluten Free, Vegan & Kosher, and RAW—no high heat, synthetic binders, fillers, artificial flavors, sweeteners, colors or additives commonly used in tablets
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#3
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Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)

Brand: Sports Research
$22.95 ($0.10 / Coun
⭐ 4.1
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    SR Vitamin C allows you to add more of this essential micronutrient to your diet.
  • Vitamin C is a powerful antioxidant that plays a role in helping healthy cells reproduce to keep your body running at its best!
  • Non-GMO Project Verified & Vegan Certified.
  • Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it's all about quality control - so you can have confidence in your dietary supplements.
  • We value our customers and want you to be healthy and happy. If you have any questions, comments, or concerns, simply send us a message from your Amazon account and our world-class Customer Support team will make it right.
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#4
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Ester-C Vitamin C 1000 mg Coated Tablets, Immune System Booster, Stomach-Friendly Supplement, 120 Count

Brand: Ester-C
$16.84 ($0.14 / Coun
⭐ 4.6
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    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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#5
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Nature's Bounty Vitamin C, Supports a Healthy Immune System, Vitamin Supplement, 500mg, 250 Tablets

Brand: Nature's Bounty
$8.04 ($0.03 / Count
⭐ 4.8
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    A LEADING VITAMIN FOR IMMUNE SUPPORT Vitamin C is one of the leading nutritional vitamins for immune support; (1) People reach for Vitamin C by Nature’s Bounty to help them maintain a healthy immune system all year long (1)
  • ANTIOXIDANT SUPPORT Vitamin C is one of the best antioxidants for fighting free radicals; Free radicals can cause oxidative stress that may lead to premature aging of the cells (1)
  • NOURISHES THE IMMUNE SYSTEM Nature’s Bounty Vitamin C Tablets play an important role in the functioning of white blood cells which are vital components of the immune system (1)
  • QUALITY IS OUR PRIORITY Nature’s Bounty is committed to the safety of all of our supplements. Our Vitamin C Tablets are gluten-free and contain no preservatives; no sodium; or artificial colors or sweeteners
  • FROM THE TRUSTED WELLNESS EXPERTS Nature’s Bounty Vitamin C supplements are a product of 50 years of dedication to quality and scientific research to make vitamins and nutritional supplements of unrivaled excellence
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#6
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THORNE Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System, Production of Cellular Energy, Collagen Production and Healthy Tissue* - Gluten-Free - 90 Capsules

Brand: THORNE
$21.00 ($0.23 / Coun
⭐ 4.4
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    Immune Support: Get the immune-supporting and antioxidant benefits of vitamin C combined with natural citrus flavonoids*
  • Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health*
  • Nutritional Support: Helps promote cellular repair and collagen formation, providing post-injury and post-surgery nutritional support*
  • 3rd Party Contents Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label
  • 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
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#7
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Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count

Brand: Vitron-C
$10.70 ($0.18 / Coun
⭐ 4.2
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    Vitron-C is a high potency iron supplement for iron deficiency and supports red blood cell production*
  • Iron pills boost energy by helping to fight fatigue in users with low iron levels
  • Iron supplements for women and men contain 65 mg of elemental iron and 125 mg of Vitamin C to support a healthy immune system and to improve iron absorption
  • Gentle iron absorption and helps minimize constipation with carbonyl iron using one iron pill daily
  • Dye Free, gluten free, vegan with no artificial colors or flavors
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#8
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Nature's Bounty Vitamin C + Rose HIPS, Immune Support, 1000mg, Coated Caplets, 100 Ct

Brand: Nature's Bounty
$17.30 ($0.17 / Coun
⭐ 4.2
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    A LEADING VITAMIN FOR IMMUNE SUPPORT (1): Vitamin C is one of the leading nutritional vitamins for immune support; (1) People reach for Vitamin C plus Rose Hips by Nature’s Bounty to help them maintain a healthy immune system all year long (1)
  • WHITE BLOOD CELL SUPPORT (1): Nature’s Bounty Vitamin C Plus Rose Hips Caplets contain 1000 mg of Vitamin C which is a nutrient that plays an important role in the functioning of white blood cells which are vital components of the immune system (1)
  • ANTIOXIDANT SUPPLEMENT: Vitamin C is one of the best antioxidants for fighting free radicals; (1) Free radicals can cause oxidative stress that may lead to premature aging of the cells
  • QUALITY IS OUR PRIORITY: Nature’s Bounty is committed to the safety of all of our supplements; Our Vitamin C Plus Rose Hips Caplets are non-GMO gluten- and sugar-free and contain no artificial colors or sweeteners.
  • FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Vitamin C supplements are a product of 50 years of dedication to quality consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence
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#9
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Nature Made Extra Strength Vitamin C 1000 mg, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply

Brand: Nature Made
$9.59 ($0.10 / Count
⭐ 4.4
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    Immune support supplement: contains one 100 count bottle of Nature Made Vitamin C 1000 mg Extra Strength Tablets for a 100-day supply
  • These Nature Made Vitamin C 1000mg tablets 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
  • Adults take one of these 1000mg Vitamin C tablets daily with water and a meal
  • This Vitamin C for adults antioxidant 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
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