Best Vitamin C Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 20, 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Vitamin C supplements are a popular choice for those looking to boost their immune system and overall health. These supplements are available in various forms, including tablets, capsules, and powders. They are made from ascorbic acid, a water-soluble vitamin that cannot be produced by the body naturally. Vitamin C supplements are commonly used to prevent or treat colds, flu, and other infections. They are also known for their antioxidant properties, which help protect the body from free radicals that can cause damage to cells. It is important to note that while vitamin C supplements can be beneficial, they should not be used as a substitute for a healthy diet rich in fruits and vegetables.

At a Glance: Our Top Picks

Nature Made Vitamin C 1000mg Tablets Cover #TOP 1
Nature Made Vitamin C 1000mg Tablets
ftb score rating icon 9.8
Nature's Bounty Vitamin C + Rose Hips Caplets Cover #TOP 2
Nature's Bounty Vitamin C + Rose Hips Caplets
ftb score rating icon 9.7
Airborne 750mg Vitamin C Gummies For Adults Cover #TOP 3
Airborne 750mg Vitamin C Gummies For Adults
ftb score rating icon 9.5

Top 10 Vitamin C Supplements

#TOP 1

Nature Made Vitamin C 1000mg Tablets

Nature Made Vitamin C 1000mg Tablets Cover
Nature Made Vitamin C 1000 mg Extra Strength, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply

Nature Made Vitamin C 1000 mg Tablets are a gluten-free dietary supplement that supports immune health, provides antioxidant support, and aids in iron absorption. These high-quality Vitamin C supplements help support your immune system, promote healthy skin, and are easy to take, with one 1000mg tablet taken daily with water and a meal. These antioxidant supplements are USP verified, gluten-free, and contain no artificial flavors or preservatives. Nature Made is the #1 Pharmacist Recommended Vitamin & Supplement Brand, so you can trust the quality of these Vitamin C supplements.

What We Like
High quality ingredients
Effective immune support
Long-lasting supply
Good value price
Easy to swallow tablets
What We Don't Like
Large tablet size
Slightly rough texture
#TOP 2

Nature's Bounty Vitamin C + Rose Hips Caplets

Nature's Bounty Vitamin C + Rose Hips Caplets Cover
Nature’s Bounty Vitamin C + Rose HIPS, Immune Support, 1000mg Vitamin C, Coated Caplets, 1 Serving per Day, Vegetarian Caplets, 100 Ct

Boost your immune system with Nature's Bounty Vitamin C + Rose Hips Caplets. This supplement contains 1000mg of Vitamin C, which is one of the best antioxidants for fighting free radicals that may cause oxidative stress and premature aging. It also supports the functioning of white blood cells, which are vital components of the immune system. With the added benefit of 20mg of Rose Hips, this supplement is the easiest way to increase your daily intake of this important vitamin. Plus, it is non-GMO, gluten-free, and sugar-free, and contains no artificial colors or sweeteners.

What We Like
Immune system support
Gentle on stomach
Easy to swallow
Good value for price
Trusted brand quality
What We Don't Like
Large tablet size
Mild smell
#TOP 3

Airborne 750mg Vitamin C Gummies For Adults

4645
Assorted
Airborne 750mg Vitamin C Gummies For Adults Cover
Airborne 750mg Vitamin C Gummies for Adults, Immune Support Gummies with Powerful Antioxidants VIT C & E, Caffeine Free - 2x63ct Bottle (42 Servings), Assorted Fruit Flavor

Airborne 750mg Vitamin C Gummies for Adults is a crafted blend of 9 vitamins, minerals and herbs, providing 750mg Vitamin C per serving, which helps support your immune system. It also contains powerful antioxidants Vit C and Vitamin E to help fight free radicals. These delicious, Assorted Fruit flavored, vitamin gummies are convenient and easy for adults and for kids 12plus to take at home or on the go. Adults and Children (12 years of age and older) can chew three (3) gummies a day to enjoy the benefits.

What We Like
Delicious taste
Easy to chew
Immune support
Suitable for families
Good value
What We Don't Like
Occasional packaging issues
Potential heat damage
#TOP 4

Airborne 1000mg Vitamin C with Zinc Effervescent Tablets

100246
Orange
Airborne 1000mg Vitamin C with Zinc Effervescent Tablets Cover
Airborne 1000mg Vitamin C with Vitamin D & Zinc, Sugar Free Multivitamin Immune Support Supplement, Antioxidants Vitamins A C & Vitamin E, 30 Effervescent Tablets, Zesty Orange Flavor

Airborne 1000mg Vitamin C with Zinc Effervescent Tablets is a powerful immune support supplement that is gluten-free and has a zesty orange flavor for a refreshing taste. Each serving (1 tablet) contains 1000mg Vitamin C, 73% of your daily value of Zinc, and a blend of 13 immune support vitamins, minerals & herbs, including Vitamins A & E, Selenium, and Zinc. The tablets also contain a proprietary herbal blend with Echinacea & Ginger. Airborne is the #1 Immune Support Gummy, Effervescent & Chewable Brand. To enjoy, drop one tablet into 4-6 ounces of water, let it dissolve, and drink.

What We Like
Effective cold and flu relief
Fast-acting immune support
Good taste and flavor options
Convenient and portable packaging
No stomach upset for most
What We Don't Like
Artificial sweeteners or flavors
Relatively higher price
#TOP 5

Thorne Vitamin C with Citrus Bioflavonoids

C154
Orange
Thorne Vitamin C with Citrus Bioflavonoids Cover
THORNE - Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Supports Immune System, Cellular Energy Production & Collagen Production* - Third-Party Certified - 90 Servings

Thorne Vitamin C is a gluten-free dietary supplement that combines vitamin C with natural citrus bioflavonoids, providing immune support and antioxidant benefits. It promotes collagen production, which enhances skin, nail, and hair health, making it an important nutrient for wound healing and post-surgical recovery. It is free from gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish, making it a safe choice for people with allergies. Thorne is a trusted brand among champions and pro teams, and is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams.

What We Like
High-quality ingredients
Gentle on stomach
Immune system support
Easy to swallow capsules
No artificial additives
What We Don't Like
Plastic container, not glass
Not liposomal form
#TOP 6

Emergen-C 1000mg Vitamin C Powder for Daily Immune Support

76314302130
Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Cover
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 - 60 Count/2 Month Supply

Emergen-C 1000mg Vitamin C Powder dietary supplement is a fizzy dietary supplement for daily immune support, comes in a Super Orange flavor and provides a 2-month supply. It contains B vitamins for energy support, electrolytes to help replace those lost through perspiration, and antioxidants such as vitamin C, zinc, and manganese. With more vitamin C per serving than 10 oranges, these dietary supplements support immune health and come with natural fruit flavor and natural sweeteners. The supplement is gluten-free and vegetarian-friendly. Mix one packet with 4 to 6 ounces of water for a refreshing drink anytime.

What We Like
High vitamin C content
Immune system support
Pleasant orange flavor
Easy to mix and use
Good value for money
What We Don't Like
Price increase recently
Packaging weight issue
#TOP 7

365 by Whole Foods Market Vitamin C 500mg 250 Tablets

365 by Whole Foods Market Vitamin C 500mg 250 Tablets Cover
365 by Whole Foods Market, Standard Potency Vitamin C 500mg, Vegan, 250 Tablets

The 365 Vitamin C 500mg supplement offers you 250 tablets, providing a generous supply to support your daily health routine. This standard strength formula is designed to help protect your body with antioxidant benefits, which can enhance your immune system and overall wellness. During warmer months, the product might arrive feeling warm, but rest assured it is stored correctly to maintain its quality. Plus, you get premium ingredients without a hefty price, making it a great value for your health needs.

What We Like
Affordable price
Easy to swallow
Reliable brand
Well-coated tablets
Large bottle size
What We Don't Like
Pills are a bit big
Not in Subscribe & Save
#TOP 8

Nature Made Vitamin C Gummies for Immune Support

4030
Orange
Nature Made Vitamin C Gummies for Immune Support Cover
Nature Made Extra Strength Dosage Vitamin C 500 mg per serving, Dietary Supplement, Vitamin C Gummies for Immune Support, 60 Gummies, 30 Day Supply

Nature Made Vitamin C Gummies are a delicious and convenient way to get daily immune support. With 500mg of Vitamin C per serving, these tangerine flavored gummies also support skin health and come in a 30-day supply of 60 gummies. They are free of artificial flavors, sweeteners, synthetic dyes, high fructose corn syrup, and gluten. Additionally, they are USP Verified for quality and purity.

What We Like
Great fruity taste
Easy to chew
No stomach upset
High quality ingredients
Immune support
What We Don't Like
Sugar coating texture
A bit sour
#TOP 9

Emergen-C 1000mg Vitamin C Powder

60000000203989
Orange
Emergen-C 1000mg Vitamin C Powder Cover
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

Emergen-C Vitamin C Powder is a dietary supplement that provides daily immune support. With 90 packets in each box, it offers a 3 month supply of delicious and refreshing natural orange flavored vitamin C powder. This powder is caffeine-free and contains essential nutrients such as zinc, manganese, B vitamins, and electrolytes. The B vitamins help support energy levels, while the electrolytes replenish those lost through perspiration. With more vitamin C per serving than 10 oranges, this supplement is a great way to support immune health. Simply mix one packet with 4 to 6 oz of water for a convenient and effective way to boost your immune system. Emergen-C Vitamin C Powder is a trusted brand that is available in various forms, including gummy and chewable options. Look for Emergen-C products from GSK for authentic and fresh supplements.

What We Like
Immune support ingredients
Convenient single-serve packets
Pleasant orange flavor
Good value per serving
Caffeine-free formula
What We Don't Like
Slight graininess if not mixed well
Sugar content not clearly labeled
#TOP 10

Nature Made Extra Strength Chewable Vitamin C Dietary Supplement

Nature Made Extra Strength Chewable Vitamin C Dietary Supplement Cover
Nature Made Extra Strength Dosage Chewable Vitamin C 1000 mg per serving, Vitamin C Chewable Dietary Supplement for Immune Support, 90 Tablets, 45 Day Supply

The Nature Made Extra Strength Chewable Vitamin C Dietary Supplement is an immune support supplement that contains 1000mg of Vitamin C per serving. It is an extra strength dosage chewable Vitamin C antioxidant supplement that supports immune health and offers antioxidant support. Made in the USA with quality global ingredients, this Vitamin C supplement provides adults with necessary vitamins to produce collagen to help support healthy skin. It comes in the original orange flavor with two tablets recommended to be taken daily with a meal. No color or artificial flavors are added.

What We Like
Chewable and easy to consume
Effective for immune support
Pleasant tart citrus flavor
Good value for money
Convenient daily vitamin intake
What We Don't Like
Taste too strong for some
Not appealing to all children
Buying Guide Image

Basic Information to Help You Figure out the Best Vitamin C Supplements

Introduction to Vitamin C Supplements

Vitamin C is an essential nutrient that plays a key role in maintaining a healthy immune system. It is a water-soluble vitamin, meaning that it is not stored in the body and must be consumed regularly through the diet. Unfortunately, many people do not get enough vitamin C from their diet, making vitamin C supplements an attractive option. However, with so many different brands and types of vitamin C supplements on the market, choosing the right one can be overwhelming. In this article, we will provide some tips to help you make an informed decision when choosing a vitamin C supplement.

Factors to Consider

When choosing a vitamin C supplement, there are several factors you should consider. These include the form of the supplement, the dosage, and the potential for side effects.

Form

Vitamin C supplements are available in a variety of forms, including tablets, capsules, chewables, and powders. Tablets and capsules are the most common forms of vitamin C supplements, but chewables and powders can be a good option for people who have difficulty swallowing pills. Additionally, some people prefer powders because they can be mixed into drinks and are easy to adjust the dosage.

Dosage

The recommended daily allowance (RDA) for vitamin C is 75-90 mg per day for adult women and 90-110 mg per day for adult men. However, some people may require higher doses of vitamin C, depending on their age, health status, and lifestyle. For example, smokers and people exposed to pollution or other sources of oxidative stress may need higher doses of vitamin C to maintain a healthy immune system. It is important to consult with a healthcare provider before taking high doses of vitamin C, as excessive intake can cause side effects such as gastrointestinal discomfort and kidney stones.

Side Effects

Vitamin C is generally considered safe when taken in recommended doses. However, some people may experience side effects from vitamin C supplements, such as stomach upset, diarrhea, and bloating. These side effects are typically mild and can be reduced by taking the supplement with food. In rare cases, excessive intake of vitamin C can cause more serious side effects, such as kidney stones and liver damage. It is important to talk to your healthcare provider before taking high doses of vitamin C, especially if you have a history of kidney or liver problems.

Choosing a Brand

When choosing a brand of vitamin C supplement, it is important to consider the quality and purity of the product. Look for supplements that are made by reputable manufacturers and have been tested by third-party organizations such as ConsumerLab or NSF International. These organizations test supplements for potency, purity, and safety to ensure that they meet industry standards.

In addition, look for supplements that have been certified as organic or non-GMO. These certifications indicate that the product has been made with high-quality, natural ingredients and does not contain genetically modified organisms.

Conclusion

Choosing the right vitamin C supplement can be a daunting task, but by considering factors such as the form, dosage, and potential for side effects, and selecting a high-quality brand, you can find a supplement that meets your needs and helps support a healthy immune system.

Frequently Asked Questions (FAQs)

1. Is it OK to take vitamin C supplements everyday?

It is generally safe to take vitamin C supplements daily, but it is important to follow the recommended daily amount. For women, the recommended daily amount is 75 milligrams (mg) and for men, it is 90 mg. During pregnancy, 120 mg is recommended. It is advised not to exceed the upper limit of 2,000 mg per day for all adults.

2. What are the side effects of taking vitamin C with zinc?

Taking vitamin C with zinc can potentially cause side effects such as an upset stomach, vomiting, severe diarrhea, constipation, and muscle weakness. It is important to be aware of these possible side effects and consult with a healthcare professional if any concerns arise.

3. What are the symptoms of low vitamin C?

Low levels of vitamin C can lead to symptoms such as fatigue, depression, connective tissue defects (such as gingivitis, petechiae, rash, internal bleeding, impaired wound healing), and impaired bone growth in infants and children. Diagnosis is usually based on clinical evaluation, and treatment involves oral vitamin C supplementation.

4. What is the most absorbed form of vitamin C?

Liposomal vitamin C is considered to have improved bioavailability or absorption properties. It is formulated with a fat-soluble covering that helps the ascorbic acid molecule pass through the digestive tract more easily, leading to increased absorption.

5. Are there any negatives to taking vitamin C?

Taking excessive amounts of vitamin C can result in side effects such as nausea, vomiting, diarrhea, heartburn, and stomach cramps or bloating. It is important to adhere to the recommended daily amount and consult with a healthcare professional if experiencing any adverse effects.

6. Why shouldn't you take zinc and vitamin C together?

There is no reason to be concerned about taking zinc and vitamin C together. In fact, they can have a synergistic relationship and both contribute to immune function. When taken as directed, these vitamins and minerals are beneficial for overall health.

Editor's Notes

During our vitamin c supplement research, we found 26 vitamin c supplement products and shortlisted 10 quality products. We collected and analyzed 720,079 customer reviews through our big data system to write the vitamin c supplements list. We found that most customers choose vitamin c supplements with an average price of $18.80.

The vitamin c supplements are available for purchase. We have researched hundreds of brands and picked the top brands of vitamin c supplements, including Nature Made, Nature's Bounty, Airborne, THORNE, Emergen-C. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.

Vitamin C Supplements Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Nature Made Nature's Bounty Airborne Airborne THORNE Emergen-C 365 by Whole Foods Market Nature Made Emergen-C Nature Made
Item Form Tablet Tablet Gummy Tablet Capsule Powder Tablet Gummy Powder Tablet
Primary Supplement Type Vitamin C Vitamin C Vitamin C Selenium, Vitamin A, Vitamin C, Vitamin E, Zinc Vitamin C Vitamin C Vitamin C Vitamin C Manganese, Vitamin C, Zinc Vitamin C
Diet Type Gluten Free Vegetarian Gluten Free Vegetarian Gluten Free Gluten Free, Vegetarian Vegan Gluten Free Gluten Free Gluten Free
Flavor Unflavored Unflavored fruit Citrus Citrus,Fish Orange Unflavored No Artificial Sweeteners Orange Orange
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 9.1
ftb score rating icon 8.9
ftb score rating icon 8.9
ftb score rating icon 8.8
Where to Buy