Best Vitamin C Supplements for Immune Support of 2025

Nature's Bounty Immune 24 Hour + is a vitamin C supplement that provides clinically studied 24-hour immune support from Ester C. The highly bioavailable Ester-C can increase Vitamin C levels in the body, which is important for white blood cell function and contributes to the health of the upper respiratory tract. The softgels contain Elderberry and Echinacea, plus 9 essential nutrients and antioxidant Zinc for additional immune support. The formula is Non-GMO, free from artificial flavors or sweeteners, sugar, starch, milk, lactose, soy, gluten, wheat, yeast, fish, and sodium.

The Nature Made Super C Immune Complex is a dietary supplement that provides essential nutrients for immune support. With 900mg of Vitamin C, 1000 IU of Vitamin D3, 450mcg of Vitamin A, 15mg of Vitamin E, and 11mg of Zinc, this product offers a full range of antioxidant support. Only one tablet per day is needed for a 60-day supply. This product is an excellent source of immune support nutrients that helps boost your overall health.

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.

Nature Made Wellblends ImmuneMAX Gummies is a supplement that supports staying well and are scientifically designed with ingredients to support your immune health. It is a 3-in-1 blend of Vitamin C, Vitamin D3, and Zinc for immune health support. These gluten-free gummies contain no high fructose corn syrup and are in a tasty Tangerine flavor. Adults chew 3 gummies daily.

Clean Nutraceuticals Immune Blend is a comprehensive 18-in-1 immunity complex that comes in a 30-serving bottle, providing a 30 Day Supply to help boost your immune system. The rapid absorption formula ensures quick effectiveness without added sugars. With essential ingredients like vitamin C, vitamin D3, elderberry, and more, this blend offers powerful support all year round. Simplify your supplement routine with just one daily serving packed with antioxidants to aid your wellness journey.

Airborne Vitamin C Chewables are packed with 1000mg of Vitamin C per serving to support your immune system. These chewable tablets also contain 73% of your daily value of Zinc, essential for immune cell functioning. With powerful antioxidants like Vitamins A, C, and E, they help boost immune health and fight free radicals. This crafted blend of 13 immune support vitamins, minerals & herbs provides Zinc and Selenium. Enjoy the Very Berry flavor for a tasty and convenient way to boost your immunity at home or on the go.

The PURE SYNERGY Pure Radiance C is a certified organic, non-GMO, vegan, and gluten-free vitamin C supplement that contains only natural vitamin C from organic berries including camu camu, acerola & amla. It helps bolster your healthy immune system, provides protective antioxidant activity, and offers extra support during the winter months and pollen season. The supplement enhances well-being with 100% berry-sourced vitamin C and flavonoids. The capsule form is easy to consume and the natural berry flavor is a tasty bonus.

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.

Kappa Immune C Plus offers a powerful blend of vitamins and minerals to support your immune health. Made in the USA, these easy-to-swallow capsules are vegan and tested for purity, ensuring you receive a reliable supplement. The advanced formula enhances absorption, allowing your body to utilize the beneficial ingredients more effectively. With a combination of 14 potent components, including Quercetin, Zinc, and Vitamin D3, this product works to boost your immune system and promote overall wellness. Plus, it comes with a satisfaction guarantee, giving you peace of mind with your purchase.

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.