Best Powdered Vitamin C Supplements 2022

Vitamin C is an essential nutrient which cannot be produced by humans (. 2017). Because your body doesn't produce or store it, 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. 

Vitamin C is a particularly unique nutrient because it also functions as an antioxidant that protects your cells against potential damage.

As of December 2020, there are 19 studies that have been launched to investigate the benefits of vitamin C against COVID-19. You can review the status of these trials on

Vitamin C might help prevent COVID-19 and also lessen the inflammatory reactions behind some severe COVID-19 cases, according to a review of research on the topic published in the latest issue of the journal Nutrition.

Here are the best powdered Vitamin C Supplements of 2022.

1. Melrose Vitamin C Powder with Bioflavonoids - Melrose Vitamin C Powder

Melrose Vitamin C + Bioflavonoids contains a blend of vitamin C, plus bioflavonoids hesperidin and rutin, that are antioxidants. 

MAXIMISED BENEFITS - Melrose Vitamin C+ Bioflavonoids contains a synergistic blend of vitamin C plus bioflavonoids, rutin and hesperidin, to maximise antioxidant benefits.

DOSE CONTROL AND EASE OF USE - Melrose vitamin C powders give you the flexibility to quickly and easily take what you need, when you need it. Your daily vitamin C requirement depends on a variety of factors (e.g. age, gender, lifestyle, the seasons and other health challenges) and is best taken in smaller, frequent doses to maximise absorption and keep your levels high.

MULTIPLE HEALTH BENEFITS - Vitamin C is best known for reducing the severity and duration of colds and infections. But it performs a number of other important functions in the body including lowering blood pressure, protecting against damaging free radicals, fighting inflammation, increasing iron absorption and helping to maintain healthy skin and hair.

PREMIUM QUALITY AND SAFETY - Melrose vitamin C powders are potent, therapeutic grade products free of artificial colours, flavours and preservatives, dairy, GMOs, gluten, soy and refined sugar. We carefully formulate and blend them at our Therapeutic Goods Administration-licensed facility under strict regulations and testing to ensure premium quality and safety.

DECADES OF EXPERIENCE - Melrose first introduced vitamin C sachets to Australian health food stores back in 1985. Our powders are based on decades of experience sourcing and blending the best raw ingredients. They’re iconic health staples trusted by generations of Australians to provide daily antioxidant support and promote healthy immune function.

Not to be used in children under 2 years of age without medical advice. Vitamin supplements can only be of assistance if dietary intake is inadequate. Contains sulfites.

How To Take Vitamin C Powder
Adults take 2g per day in water or juice or as recommended by your health professional. Children 2 to 12 years take 1g in water or juice or as recommended by your health professional.

2. NOW Supplements, Vitamin C Crystals

- PURE POWDER/PHARMACEUTICAL GRADE: Vitamin C is a water soluble nutrient well known for its vital role in the immune system.

- ANTIOXIDANT PROTECTION: A highly effective antioxidant that can help maintain healthy tissues by neutralizing free radicals generated during normal metabolism and exposure to environmental stressors.

- CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan/Vegetarian, Nut Free, Made without Gluten, Dairy Free, Egg Free, Kosher, Low Sodium

- 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

4.7 out of 5 - 2,236 global ratings

I like this product as it dissolves easily and swallowing it is a pleasant experience.I have been using this brand for about a year with great results,but I have been using Vitamin C supplements for over 64 years now,and I never get the Flu,in fact I have never gotten the Flu in my entire life.I use Vitamin C in massive doses every single day between 8,000 to 10,000 mg and I feel good,I am healthy ,God willing I will be 80 years young on the 14 th April and I am not on any medications,I thank the Almighty Creator every day,keep up the good work,thank you.

3. Bronson Vitamin C Powder - Pure Vitamin C Powder

- Pure Ascorbic Acid 
- Soluble 
- Non GMO Crystals
- Promotes Healthy Immune System and Cell Protection 
- Powerful Antioxidant

How To Take Vitamin C Powder
As a dietary supplement, for individuals 12 or more years of age, 1 rounded 1/4 Teaspoon or as directed by a health professional. Dissolve in fruit juices, water or beverage of choice. Take with or after meals. DO NOT REFRIGERATE.

4.7 out of 5 - 3,376 global ratings

I love this product! I have suffered from IBS, chronic constipation, and gluten intolerance for years. After listening to Dr. Levy’ YouTube lectures on the benefits of maga dose vitamin c, I purchased this product to see if it would help me. I started with adding 3000 mg of this product to my daily fiber/protein smoothie. Over 8 weeks, I gradually increased the amount of vitamin c and am, as of writing this review, up to 12,000 mg per day. THE IBS, CHRONIC CONSTIPATION ARE GONE!!!! I ate one yeast roll the other night with no problem!!!

 I believe this vitamin c has healed and continues to heal my gut, where our immune system is! Heal the gut! Heal the body! I strongly recommend listening to Dr. Levy on YouTube and then get this product! It will probably help anyone who lives with a compromised immune system, which is probably all of us due to our poor diets and poor nutrient food sources. And for the amazing benefit, it is NOT expensive! It is worth your improved health. We have nothing to lose by taking mega dose vitamin c therapy and so much to gain!!

4. Emergen-C Immune+ Vitamin C Powder 

- Includes 10 single-serving packets (0.33 oz. each) of Emergen-C Immune+ in Super Orange flavor
- An Enhanced Immune Support Formula with 1,000 mg of Vitamin C, plus Vitamin D and Zinc
- Packed with more Vitamin C than 10 oranges(1) to support your immune system
- Made with natural fruit flavors and sweeteners for a delicious Super Orange flavor
- Contains the Proprietary complex with Wellmune WGP beta-glucans and arabinogalactans
- Vitamin C drink mix dissolves quickly in water; it’s fizzy, refreshing and caffeine-free

How To Take Vitamin C Powder
Ages 14 and up, one (1) packet daily. Empty contents into a glass, add 4–6 oz of water, stir. For lighter flavor, mix with more water. Do not exceed suggested use. If you are pregnant, nursing, or taking medication, consult your doctor before use.

4.8 out of 5 - 23,152 global ratings

Got my yearly physical yesterday and everything was good, in fact great. The Emergen-C Immune Plus works. I took one packet, mixed in bottle water everyday for a year and a half since my last physical. My last physical a year and a half ago had me borderline diabetic and vitamin D deficient. This year I am normal. I really didn't change my eating habits but did get some light exercise. Also I have Gilbert's Syndrome which automatically gives me a high bilirubin reading during blood work. Well yesterday my blood work results were in and my bilirubin reading was normal for the first time in over 20 years since I was first diagnosed with Gilbert's Syndrome. 

5. Nutribiotic Sodium Ascorbate - Buffered Vitamin C Powder

Our Sodium Ascorbate is a high absorption, bioavailable form of Vitamin C that serves to fortify your body’s immune system, helping you and your family stay healthy

A powerful antioxidant and supports the production of carnitine, collagen, and certain neurotransmitters, vital to supporting optimal energy production, healthy looking skin, tissue repair, and brain health

Mixes easily into smoothies and juice, and its mild taste makes it more tolerable for kids and adults than sour tasting forms of Vitamin C such as ascorbic acid

Unlike other Vitamin C supplements such as ascorbic acid that may lead to heartburn, reflux, and stomach upset, this buffered form goes down easy, even when taken in higher doses

4.8 out of 5 - 2,920 global ratings

This got us through whooping cough with my immune-intact 18-month-old. He fought it like a CHAMP after we started administering this stuff. He took a dose as outlined in Dr. Suzanne Humphries' Vitamin C protocol. We were consistent with his dosing, and within a day or two, his cough was completely gone. We kept dosing the entire 100 days, and you'd never know he was battling anything. The Vitamin C really did the trick. We keep a bottle of this stuff in our home at all times now.

6. Unpretentious Baker Ascorbic Acid Vitamin C Powder

4.8 out of 5 - 114 global ratings

I've been using vitamin C for more than 20 years to help maintain a strong immune system especially during cold and flu season. This vitamin C powder is certified non GMO, made in America and the best deal I could find at less than 2 cents per 1,000 mg serving. Twice a day mixed with water or juice it's easy and affordable.


1. How To Choose The Right Vitamin C

Selecting the right vitamin C supplement depends on a variety of factors, including the form, quality, dose, and price.

a. Form

You can start by considering how you’ll be using the supplement. For instance, if you prefer to take a pill, you’ll want to check out encapsulated vitamin C supplements. If you don’t like swallowing pills or want to mix it into beverages, your best bet is to consider liquid or powdered supplements.

b. Quality

Evaluate whether a brand is reputable by exploring their ingredient sourcing and manufacturing standards. A good product will also be tested by third-party organizations, such as USP, Consumer Labs, or NSF International.

Take a look at added ingredients, too. If you’re trying to limit your intake of added sugars, you want to opt for a supplement that doesn’t contain sugar.

c. Dosage

The recommended daily amount of vitamin C for adults is 90 mg for men, 75 mg for women, and up to 120 mg for women who are pregnant or breastfeeding. However, certain medical conditions may require that you take much higher doses (NIH).

Children have lower vitamin C requirements, which range from 25–75mg per day, depending on their age. However, it’s not generally advised to give children a vitamin C supplement unless their pediatrician has recommended it.

How Much Vitamin C Is Too Much?

The Tolerable Upper Intake Level (UL) for vitamin C for men, as well as women ages 19 and above, is 2,000 mg. Meanwhile, the UL for children ranges from 400–1,800 mg, depending on age. Daily intakes at or below these amounts are unlikely to result in any adverse health effects (NIH).

Generally, high doses of vitamin C are unnecessary and could contribute to harmful side effects. Only consume high doses if your healthcare provider recommends doing so.

d. Budget

Some professional-grade brands can be expensive, but keep in mind that a higher price doesn’t necessarily mean a better product. There are plenty of high quality options available at various price points.

2. Organic Vitamin C vs Synthetic Vitamin C

Organic Vitamin C is the whole food vitamin C that occurs in its natural state. Vitamin C in this form contains bioflavonoids. Synthetic vitamin C is an isolated version of vitamin C. It is devoid of the micronutrients, dietary fiber and phytochemicals like bioflavonoids found in vitamin-rich wholefoods.  

Bioflavonoids are antioxidants that enhance the use of vitamin C by improving its absorption and prolonging its effectiveness. Flavonoids themselves provide many health benefits. They are collectively referred to as "vitamin P" in recognition of their antioxidant, anti-inflammatory, antiallergenic, antiviral, and anti-carcinogenic properties.

3. Is Natural Vitamin C Better Than Synthetic?

Yes. Natural Vitamin C is less processed, more whole, more active, more readily absorbed, and less toxic than the synthetic isolate.

However, steady state comparative bioavailability studies in humans have shown no differences between synthetic and natural vitamin C, regardless of the subject population, study design or intervention used.

4. Vitamin C Content in Foods

FoodServing sizeMg per servingPercent of 90 mg DV
Guava, raw1 cup, raw377419%
Sweet red pepper, raw1 cup, raw190211%
Tomato juice1 cup, canned170188.9%
Orange juice1 cup124137.8%
Sweet green pepper1 cup, raw120133%
Hot green chili pepper, raw1 pepper, raw109121%
Oranges1 large fruit97.5108.8%
Strawberries1 cup, sliced97.6108%
Papaya1 small fruit95.6106.2%
Pink grapefruit juice1 cup93.9104.3%
Broccoli1 cup, raw81.290.2%
Pineapple chunks1 cup, raw78.987.7%
Potato1 large vegetable72.780.8%
Brussels sprouts1 cup, raw74.879.8%
Kiwifruit1 fruit6471.1%
Mango1 cup, raw60.166.7%
Cantaloupe1 cup57.363.7%
Cauliflower1 cup, raw51.657.3%
Lemon1 fruit44.549.4%
White grapefruit½ medium fruit3943.3%

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