Best Vitamin C Supplement for Immune System 2022

Vitamin C is an essential nutrient that humans cannot produce or store, which is why you need daily vitamin C for continued health. Vitamin C may be one of the most well-known immune nutrients that protect against immune deficiencies and which supports the prevention and recovery from the common cold and upper-respiratory issues, and also protects your cardiovascular system, eyes, skin, and other parts of your body.

How Does Vitamin C Support Immune System?

Vitamin C contributes to immune defense by supporting various cellular functions of both the innate and adaptive immune system.

Vitamin C supports epithelial barrier function against pathogens and promotes the oxidant scavenging activity of the skin, thereby potentially protecting against environmental oxidative stress. Vitamin C accumulates in phagocytic cells, such as neutrophils, and can enhance chemotaxis, phagocytosis, generation of reactive oxygen species, and ultimately microbial killing.

Vitamin C deficiency results in impaired immunity and higher susceptibility to infections. (Source)

Best Vitamin C Supplement for Immune System

1. Best Vitamin C Supplement Overall: Ester-C Vitamin C 500mg | 24 Hour Immune Support*

2. Best Chewable Vitamin C: Fresh Nutrition Chewable Vitamin C 500mg/Chew

3. Best Liquid Vitamin C: ChildLife Essentials Liquid Vitamin C for Immune Support

4. Best Gentle and Non Acidic Vitamin C : Solgar Ester-C Plus 500 mg Vitamin C (Ascorbate Complex)

5. Best Vitamin C Gummies : Sundown Vitamin C Gummies with Rosehips

6. Best Vitamin C Gummies for Kids: Sundown Kids Vitamin C Gummies with Rosehips

7. Best Vitamin C Powder: Nutricost Ascorbic Acid Powder (Vitamin C)

8. Best Multivitamin with Vitamin C: Nature’s Bounty Immune 24 Hour +

1. Ester-C Vitamin C 500mg | 24 Hour Immune Support*

Ester-C Vitamin C 500mg | 24 Hour Immune Support*

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Ester-c 24 hour vitamin c supplement tablets for immune support offer a unique formula that stays in your system for up to 24 hours, so you have around-the-clock immune support. The metabolites in ester-c help enhance the retention of vitamin c in your white blood cells, which are a vital component of your immune system.

– this vitamin c supplement is clinically studied to last up to two times longer than regular vitamin c
– non-gmo, gluten free vegetarian vitamins are made with no artificial color, flavor, or sweetener

For adults, take two ester-c 500 mg vitamin c immune support supplements once daily, preferably with a meal.

Ratings
4.8 out of 5 – more than 6,200 global ratings

Ester-c Vitamin C Immune Support Tablets Reviews
I felt a real difference using these while on iron! I used this along with other stuff in my immunity regimen and I firmly believe this works exactly as it says. Given the pandemic and working as a nurse, I wanted to strengthen my immune system as I go in and help my patients everyday. I take these every morning with orange juice, iron and elderberry drops and I believe it works great for me! Will purchase again!

2. Fresh Nutrition Chewable Vitamin C 500mg/Chew

Fresh Nutrition Chewable Vitamin C 500mg/Chew

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– Fresh Chewable Vitamin C is 1500mg Per Serving/Per Day and Third Party Tested:
Our Vitamin C is third party tested for potency and purity meaning that you can be very precise in your dosing providing peace of mind on the quality that you are putting into your body.

– Natural Ingredients:
Vegan friendly, non-GMO, gluten free, soy free, no artificial flavors or colors, no preservatives, all natural ingredients! Our pure vitamin c is suitable for anybody on any diet or nutrition protocol who wants to add this to their regime we have ticked all the boxes on this one.

– How Much Do You Get in Each Bottle?
Each bottle contains 90 chewable Vitamin C tablets providing a dose of 500mg per chew so that you can break up the dose and they aren’t too big to chew or swallow!

Ratings
4.3 out of 5 – more than 8,500 global ratings

Fresh Nutrition Chewable Vitamin C for Immune Support Reviews
These are delicious! It’s been two weeks now and I actually look forward to taking them every day. It’s like a dessert that is actually healthy for you and boosts your immune system. Plus, they’re vegan!

3. ChildLife Essentials Liquid Vitamin C for Immune Support

ChildLife Essentials Liquid Vitamin C for Immune Support

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– Vitamin C Supplement for Kids:
Childlife’s great-tasting liquid vitamin c provides all natural support for immune system function in infants, children, and teens with essential antioxidants

– Kids Vitamin C for Immune Support:
Vitamin c has been thoroughly researched and shown to help support the immune system through daily us

– High Quality Ingredients:
Our vitamin c supplement uses all natural ingredients & has a great tasting natural orange flavor that kids love, while providing ample immune support

– Suggested Use:
Depending on age, give your child .25 to 1 tsp of childlife essentials vitamin c or kids daily as a vital antioxidant to promote general wellbeing & immune response

Ratings
4.6 out of 5 – more than 2,400 global ratings

ChildLife Essentials Liquid Vitamin C for Immune Support Reviews
They came separately wrapped in “bubble wrap envelopes”. No seals broken , no leakage !! My kids love the flavor. I have ordered this for a couple of months now and I always make sure we have it. I feel it helps boost their immune system .

4. Solgar Ester-C Plus 500 mg Vitamin C (Ascorbate Complex)

Solgar Ester-C Plus 500 mg Vitamin C (Ascorbate Complex)

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– 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, Halal & 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

Ratings
4.8 out of 5 – more than 3,350 global ratings

Solgar Ester-C Plus 500 mg Vitamin C Supplement for Immune System Reviews
I use this product to help my immune system. I like that it is made of natural products. It seems to help keep bladder infections away for me. I take this so that I will not get the flu. Usually every winter I get a bad flu but this year for me I did not get the flu. I have been buying this at a local store but I like the convenience of having this delivered. We all could stand stronger immune systems.

5. Sundown Vitamin C Gummies with Rosehips, Citrus Bioflavonoids

Sundown Vitamin C Gummies with Rosehips, Citrus Bioflavonoids

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– Vitamin C for Supporting Immune & General Health:
Vitamin c supports your immune system; also maintains strong bones, teeth, joints, gums, heart health

– Antioxidant Blend:
Our unique blend of vitamin c, rosehips and citrus bioflavonoids contain powerful antioxidant properties; antioxidants help to fight free radicals. Free radicals can cause oxidative stress which may damage cells.

– Clean, Vegetarian Vitamins:
No gelatin. No corn syrup. No harsh fillers or preservatives. Non-gmo(2) and free of artificial flavors; gluten-free, wheat-free, dairy-free, lactose-free

– Safe 250mg Dosage and Great Taste:
Formulated for maximum effectiveness in adults. No more chalky pills! Take 2 yummy, natural orange-flavored gummies every day to satisfy your daily vitamin c needs

– Third Party Tested:
Sundown products are always third-party tested for safety, quality and purity. We are a proudly american company with millions of happy customers since 1977

Ratings
4.7 out of 5 – more than 7,000 global ratings

Sundown Vitamin C Gummies for Immune System Reviews
I purchased this product because it seemed like was constantly sick with colds and respiratory issues. It helped booster my immune system and soon I was feeling better. I will continue to take this to stay healthy. I would definitely recommend this product during cold and flu season and the price was reasonable as well.

6. Sundown Kids Vitamin C Gummies with Rosehips, Citrus Bioflavonoids

Sundown Kids Vitamin C Gummies with Rosehips, Citrus Bioflavonoids

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– Supports Immune and General Health:
Vitamin c supports your little one’s immune system; also maintains strong bones, teeth, joints, gums, and heart health. Moreover, our unique blend of vitamin c, rosehips and citrus bioflavonoids contain powerful antioxidant properties; may help fight against free radicals

– Non-GMO, Clean Kids Vitamin:
Clean defined as all products non-gmo, and free of gluten, wheat, dairy, lactose and artificial flavors. Applies to all sundown kids products manufactured after 5/1/20 and sundown products. Please check back of label for product information

– Safe Dosage for Kids:
125mg of vitamin c per gummy

– Third Party Tested:
Sundown products are always third-party tested for safety, quality and purity. We are a proudly american company with millions of happy customers since 1977

Ratings
4.7 out of 5 – more than 1,100 global ratings

Sundown Kids Vitamin C Gummies Reviews
My kids love these at first I thought maybe it would be too sour for them but they for sure love. These are their faves.

7. Nutricost Ascorbic Acid Powder (Vitamin C)

Nutricost Ascorbic Acid Powder (Vitamin C)

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Ascorbic Acid (Vitamin C) is an essential vitamin. Vitamin C is an important factor in many of the body’s various life-giving and life-maintaining functions including the successful operation of the immune system.

– bottle may have a white or black lid; product and powder of same quality.
– pure, high quality powder. No binders or fillers
– 1 gram per serving (scoop included), 2 lbs of pure vitamin c powder per bottle
– non-gmo, gluten free, 3rd party tested
– made in a GMP compliant, fda registered facility

Ratings
4.7 out of 5 – more than 3,550 global ratings

Nutricost Ascorbic Acid Powder Reviews
I am up to taking 10 grams a day and it has really kicked my bronchitis! Very happy with this product, and really surprised by the size of the container! has about 950 servings and comes with a tiny one-gram scoop for portion control. Start with low doses and work your way up, the ascorbic acid will cause stomach issues. I mix mine with my morning and evening smoothies.

8. Nature’s Bounty Immune 24 Hour +

Nature’s Bounty Immune 24 Hour +

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– 24-hour Immune Support:
Nature’s bounty immune 24 hour + contains the only clinically studied vitamin c with 24-hour immune support from ester c.

– Supports Upper Respiratory Health:
Highly bioavailable ester-c can increase vitamin c levels in the body, which is important for white blood cell function, contributing to the health of the upper respiratory tract.

– With Elderberry and Echinacea:
Nature’s bounty immune 24 hour + rapid release softgels contain elderberry and enchinecea, plus 9 essential nutrients to help keep you healthy

– Antioxidant Support:
For additional immune support, nature’s bounty immune 24 hour + rapid release softgels contain vitamins d and a plus antioxidant zinc.

– From the Trusted Wellness Experts:
Nature’s bounty supplements are a product of nearly 50 years of dedication to quality, consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence

Ratings
4.7 out of 5 – more than 1,500 global ratings

Nature’s Bounty Immune 24 Hour+ Reviews
Started taking these in the winter. Yes, they are big, but aren’t hard to swallow, and I have problems taking pills. I take them in the morning before breakfast with water, and they don’t upset my stomach. I like they have elderberry and zinc too!

FAQ

a. Risk Factor of Vitamin C Deficiency

– Alcoholism
– Babies only fed cow’s milk
– Seniors only consuming tea and toast diet
– Not getting enough fruits and vegetables
– Smokers ; Tobacco smoking (each cigarette oxidizes about 60 mg of vitamin C)
– People with eating disorders
– People with type 1 diabetes who need a lot of vitamin C
– Individuals with disorders of the GI tract like inflammatory bowel disease.
– Individuals with iron overload, which causes the kidneys to waste vitamin C

b. Side Effects and Symptoms of Vitamin C Deficiency

Scurvy is when someone has a severe deficiency of vitamin C, or ascorbic acid. The deficiency leads to symptoms of weakness, anemia, gum disease, and skin problems.

Lack of Vitamin C Symptoms:
Symptoms of vitamin C deficiency can start to appear after 8 to 12 weeks. Early signs include a loss of appetite, weight loss, fatigue, irritability, and lethargy.

Within 1 to 3 months, there may be signs of:anemia
myalgia, or pain, including bone pain
swelling, or edema
petechiae, or small red spots resulting from bleeding under the skin
corkscrew hairs
gum disease and loss of teeth
poor wound healing
shortness of breath
mood changes, and depression (Source)


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