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One of the most well-known and essential vitamins for the human body is Vitamin C.

It is a powerful antioxidant which protects the cells from oxidative stress and the negative effects of free radicals.Free radicals are molecules which negatively affect the body. They may cause chronic health problems such as cataracts, cancer, inflammatory diseases and cardiovascular disorders. Vitamin C prevents free radicals from tissue damage. 

 

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Disclaimer

We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by supplements org. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Under no circumstances should any information found on this website be considered a replacement for personal medical guidance from a qualified clinician or your own doctor, irrespective of the publication date.

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Fluid Balance. Best Electrolytes Products And Diuretic Water Pills.

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Diuretics are powerful and ubiquitous. Consider using them to shed excess salt and water and bring balance to your urinary system.

Read All Articles

Vitamin C is vulnerable to heat and can undergo degradation when exposed to high temperatures or extended storage. Consuming fruits and vegetables in their raw state or with minimal cooking can aid in maintaining the vitamin C levels in these foods.

Individuals who smoke or engage in heavy alcohol consumption face an increased likelihood of developing a vitamin C deficiency, as these behaviors can lead to the depletion of the body's vitamin C reserves.

Fluid Balance. Best Electrolytes Products And Diuretic Water Pills.

Adjust blood pH levels and control the amount of water in your body with some quality electrolyte supplements.
Diuretics are powerful and ubiquitous. Consider using them to shed excess salt and water and bring balance to your urinary system.

Read All Articles
Fruits and fruit juices (especially citrus) Potatoes Broccoli Bell peppers Spinach 3 Others see more Strawberries Tomatoes Brussels sprouts
Daily Intake
M: 90 mg
(W: 75 mg)
Vitamin C
May lower the risk for some cancers (those of the mouth, esophagus, stomach, and breast).
May protect against cataracts.
Helps make collagen.
3 Others See more
Helps make the neurotransmitters serotonin.
Acts as an antioxidant.
Neutralizing unstable molecules that can damage cells.
Fluid Balance. Best Electrolytes Products And Diuretic Water Pills.

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Diuretics are powerful and ubiquitous. Consider using them to shed excess salt and water and bring balance to your urinary system.

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106 Sources like nih.gov

Influence of vitamin C supplementation on oxidative and salivary IgA changes following an ultramarathon

https://pubmed.ncbi.nlm.nih.gov/12627313/

High-dose ascorbic acid increases intercourse frequency and improves mood: a randomized controlled clinical trial

https://pubmed.ncbi.nlm.nih.gov/12208645/

Pretreatment with intravenous ascorbic acid preserves endothelial function during acute hyperglycaemia (R1)

https://pubmed.ncbi.nlm.nih.gov/15854139/

Supplementation of vitamin C reduces blood glucose and improves glycosylated hemoglobin in type 2 diabetes mellitus: a randomized, double-blind study

https://pubmed.ncbi.nlm.nih.gov/22242019/

The effect of vitamin C supplementation on diabetic hyperlipidaemia: a double blind, crossover study

https://pubmed.ncbi.nlm.nih.gov/2952396/

Efficacy of antioxidant treatment in reducing resistin serum levels: a randomized study

https://pubmed.ncbi.nlm.nih.gov/17479165/

Megadose of vitamin C delays insulin response to a glucose challenge in normoglycemic adults

https://pubmed.ncbi.nlm.nih.gov/7942581/

Influence of vitamin C supplementation on oxidative and immune changes after an ultramarathon

https://pubmed.ncbi.nlm.nih.gov/11960947/

FFA-induced endothelial dysfunction can be corrected by vitamin C

https://pubmed.ncbi.nlm.nih.gov/12050273/

High-dose oral vitamin C partially replenishes vitamin C levels in patients with Type 2 diabetes and low vitamin C levels but does not improve endothelial dysfunction or insulin resistance

https://pubmed.ncbi.nlm.nih.gov/16126809/

Molecular detection of exercise-induced free radicals following ascorbate prophylaxis in type 1 diabetes mellitus: a randomised controlled trial

https://pubmed.ncbi.nlm.nih.gov/18769906/

Ascorbic acid prevents vascular dysfunction induced by oral glucose load in healthy subjects

https://pubmed.ncbi.nlm.nih.gov/22153532/

Vitamin C restores blood pressure and vasodilator response during mental stress in obese children

https://pubmed.ncbi.nlm.nih.gov/21552645/

Ascorbate improves circulation in postural tachycardia syndrome

https://pubmed.ncbi.nlm.nih.gov/21622825/

Oral administration of ascorbic acid attenuates endothelial dysfunction after short-term cigarette smoking

https://pubmed.ncbi.nlm.nih.gov/14743545/

Effects of atorvastatin and vitamin C on forearm hyperaemic blood flow, asymmentrical dimethylarginine levels and the inflammatory process in patients with type 2 diabetes mellitus

https://pubmed.ncbi.nlm.nih.gov/16914485/

Ascorbic acid supplementation improves postprandial glycaemic control and blood pressure in individuals with type 2 diabetes: Findings of a randomized cross-over trial

https://pubmed.ncbi.nlm.nih.gov/30394006/

The effects of vitamin C on diabetic patients

https://www.semanticscholar.org/paper/The-effects-of-vitamin-C-on-diabetic-patients-Ghaffari-Nadiri/c9eabd9d224a89aabca0cbcc4db0f7c7a8058f06?p2df

Effect of vitamin C on inflammation and metabolic markers in hypertensive and/or diabetic obese adults: a randomized controlled trial

https://pubmed.ncbi.nlm.nih.gov/26170625/

Does short-term vitamin C reduce cardiovascular risk in type 2 diabetes?

https://pubmed.ncbi.nlm.nih.gov/23757614/

Unchanged renal haemodynamics following high dose ascorbic acid administration in normoalbuminuric IDDM patients

https://pubmed.ncbi.nlm.nih.gov/7624737/

Ascorbic acid supplementation improves skeletal muscle oxidative stress and insulin sensitivity in people with type 2 diabetes: Findings of a randomized controlled study

https://pubmed.ncbi.nlm.nih.gov/26774673/

Effect of ascorbic acid on surgical stress response in gynecologic surgery

https://pubmed.ncbi.nlm.nih.gov/15587771/

Vitamin C may have similar beneficial effects to Gemfibrozil on serum high-density lipoprotein-cholesterol in type 2 diabetic patients

https://pubmed.ncbi.nlm.nih.gov/25328896/

Effects of vitamin C supplementation on glycaemic control: a systematic review and meta-analysis of randomised controlled trials

https://pubmed.ncbi.nlm.nih.gov/28294172/

Effects of eicosapentaenoic acid and vitamin C on glycemic indices, blood pressure, and serum lipids in type 2 diabetic Iranian males

https://pubmed.ncbi.nlm.nih.gov/22247720/

The effect of 2 weeks vitamin C supplementation on immunoendocrine responses to 2.5 h cycling exercise in man

https://pubmed.ncbi.nlm.nih.gov/16685547/

Effect of vitamin C supplementation on lipid peroxidation, muscle damage and inflammation after 30-min exercise at 75% VO2max

https://pubmed.ncbi.nlm.nih.gov/18427418/

Vitamin C supplementation and salivary immune function following exercise-heat stress

https://pubmed.ncbi.nlm.nih.gov/19223675/

Influence of acute vitamin C and/or carbohydrate ingestion on hormonal, cytokine, and immune responses to prolonged exercise

https://pubmed.ncbi.nlm.nih.gov/16327030/

Vitamin C supplementation lowers urinary levels of 4-hydroperoxy-2-nonenal metabolites in humans

https://pubmed.ncbi.nlm.nih.gov/21236333/

Does vitamin C supplementation influence the levels of circulating oxidized LDL, sICAM-1, sVCAM-1 and vWF-antigen in healthy male smokers?

https://pubmed.ncbi.nlm.nih.gov/15127090/

Influence of vitamin C on markers of oxidative stress in the earliest period of ischemic stroke

https://pubmed.ncbi.nlm.nih.gov/20885017/

High dosage of ascorbic acid and alpha-tocopherol is not useful for diminishing oxidative stress and DNA damage in healthy elderly adults

https://pubmed.ncbi.nlm.nih.gov/18446021/

The effect of vitamin C on upper respiratory infections in adolescent swimmers: a randomized trial

https://pubmed.ncbi.nlm.nih.gov/20689965/

A controlled clinical trial of ascorbic acid for the common cold

https://pubmed.ncbi.nlm.nih.gov/1106302/

Vitamin C and the common cold: a double-blind trial

https://pubmed.ncbi.nlm.nih.gov/5057006/

Mega-dose vitamin C in treatment of the common cold: a randomised controlled trial

https://pubmed.ncbi.nlm.nih.gov/11700812/

Vitamin C and the common cold: a second MZ Cotwin control study

https://pubmed.ncbi.nlm.nih.gov/7048833/

Vitamin C and the common cold

https://pubmed.ncbi.nlm.nih.gov/162650/

Ascorbic acid and the common cold

https://pubmed.ncbi.nlm.nih.gov/4113614/

L-Ascorbic acid and D-isoascorbic acid in a common cold survey

https://pubmed.ncbi.nlm.nih.gov/1099894/

Vitamin C prophylaxis in a boarding school

https://pubmed.ncbi.nlm.nih.gov/4586102/

Vitamin C and acute illness in Navajo school children

https://pubmed.ncbi.nlm.nih.gov/787788/

A randomized controlled trial of vitamin C in the prevention and amelioration of the common cold

https://pubmed.ncbi.nlm.nih.gov/788820/

A randomized controlled trial of the therapeutic effect of vitamin C in the common cold

https://pubmed.ncbi.nlm.nih.gov/319446/

Blood ascorbic acid level in bioflavonoid and ascorbic acid therapy of common cold

https://pubmed.ncbi.nlm.nih.gov/13366735/

Vitamin C supplementation and upper respiratory tract infections in marathon runners

https://www.asep.org/asep/asep/jan9.htm

Ascorbic acid for the common cold. A prophylactic and therapeutic trial

https://pubmed.ncbi.nlm.nih.gov/163386/

Vitamin C as a preventive medicine against common colds in children

https://pubmed.ncbi.nlm.nih.gov/897573/

Therapeutic effect of vitamin C. A co-twin control study

https://pubmed.ncbi.nlm.nih.gov/318715/

Vitamin C supplementation reduces the incidence of postrace symptoms of upper-respiratory-tract infection in ultramarathon runners

https://pubmed.ncbi.nlm.nih.gov/8185726/

Vitamin C prophylaxis in marine recruits

https://pubmed.ncbi.nlm.nih.gov/368370/

Health problems and vitamin C in Canadian northern military operations

https://www.epistemonikos.org/en/documents/7d1395866e7f578d164ccc35af221804174b26e7

A trial of ascorbic acid in the treatment of the common cold

https://pubmed.ncbi.nlm.nih.gov/338079/

Preventing the common cold with a vitamin C supplement: a double-blind, placebo-controlled survey

https://pubmed.ncbi.nlm.nih.gov/12201356/

Trial of ascorbic acid in prevention of colds

https://pubmed.ncbi.nlm.nih.gov/4290259/

The effects of ascorbic acid and flavonoids on the occurrence of symptoms normally associated with the common cold

https://pubmed.ncbi.nlm.nih.gov/463806/

The effectiveness of vitamin C in preventing and relieving the symptoms of virus-induced respiratory infections

https://pubmed.ncbi.nlm.nih.gov/10543583/

Effects of vitamin E and C supplementation either alone or in combination on exercise-induced lipid peroxidation in trained cyclists

https://pubmed.ncbi.nlm.nih.gov/14666945/

Effect of vitamin C supplementation on postprandial oxidative stress and lipid profile in type 2 diabetic patients

https://pubmed.ncbi.nlm.nih.gov/22518934/

Orange juice ingestion and supplemental vitamin C are equally effective at reducing plasma lipid peroxidation in healthy adult women

https://pubmed.ncbi.nlm.nih.gov/14684757/

Effect of high dose vitamin C supplementation on muscle soreness, damage, function, and oxidative stress to eccentric exercise

https://pubmed.ncbi.nlm.nih.gov/16948483/

Prolonged vitamin C supplementation and recovery from eccentric exercise

https://pubmed.ncbi.nlm.nih.gov/15024666/

No effect of antioxidant supplementation on muscle performance and blood redox status adaptations to eccentric training

https://pubmed.ncbi.nlm.nih.gov/21508092/

The effect of aspirin and vitamins C and E on HbA1c assays

https://pubmed.ncbi.nlm.nih.gov/16698007/

EFFECT OF ORAL SUPPLEMENTATION OF VITAMIN C ON GLYCEMIC CONTROL AND LIPID PROFILE IN PATIENTS WITH TYPE 2 DIABETES MELLITUS

https://innovareacademics.in/journal/ijpps/Vol4Issue2/3541.pdf

Long-term vitamin C supplementation has no markedly favourable effect on serum lipids in middle-aged Japanese subjects

https://pubmed.ncbi.nlm.nih.gov/14748940/

Influence of quercetin supplementation on disease risk factors in community-dwelling adults

https://pubmed.ncbi.nlm.nih.gov/21443986/

Effect of ascorbic acid on inflammatory markers after cardiothoracic surgery

https://pubmed.ncbi.nlm.nih.gov/21856809/

The effect of vitamin E and vitamin C supplementation on LDL oxidizability and neutrophil respiratory burst in young smokers

https://pubmed.ncbi.nlm.nih.gov/10872898/

Vitamin C supplementation reduces the odds of developing a common cold in Republic of Korea Army recruits: randomised controlled trial

https://pubmed.ncbi.nlm.nih.gov/32139409/

Winter illness and vitamin C: the effect of relatively low doses

https://pubmed.ncbi.nlm.nih.gov/1091343/

VITAMINS FOR THE PREVENTION OF COLDS

https://jamanetwork.com/journals/jama/article-abstract/259054

The Value of Ascorbic Acid as a Prophylactic against

https://onlinelibrary.wiley.com/doi/abs/10.1111/j.0954-6820.1944.tb05420.x

Evaluation of the efficacy of ascorbic acid in prophylaxis of induced rhinovirus 44 infection in man

https://pubmed.ncbi.nlm.nih.gov/4355208/

Megadosage of ascorbic acid in an Antarctic expedition

https://pubmed.ncbi.nlm.nih.gov/870023/

The clinical and biochemical effects of vitamin C supplementation in short-stay hospitalized geriatric patients

https://pubmed.ncbi.nlm.nih.gov/6376396/

Ascorbic acid for the common cold. A prophylactic and therapeutic trial

https://pubmed.ncbi.nlm.nih.gov/163386/

Antioxidants prevent health-promoting effects of physical exercise in humans

https://pubmed.ncbi.nlm.nih.gov/19433800/

Vitamin C consumption does not impair training-induced improvements in exercise performance

https://pubmed.ncbi.nlm.nih.gov/21487150/

Supplementation of ascorbic acid and alpha-tocopherol is useful to preventing bone loss linked to oxidative stress in elderly

https://pubmed.ncbi.nlm.nih.gov/20617290/

Effect of antioxidants combined to resistance training on BMD in elderly women: a pilot study

https://pubmed.ncbi.nlm.nih.gov/19020919/

Vitamin C status and perception of effort during exercise in obese adults adhering to a calorie-reduced diet

https://pubmed.ncbi.nlm.nih.gov/22677357/

Vitamin C provision improves mood in acutely hospitalized patients

https://pubmed.ncbi.nlm.nih.gov/20688474/

Efficacy of vitamin C vaginal tablets in the treatment of bacterial vaginosis: a randomised, double blind, placebo controlled clinical trial

https://pubmed.ncbi.nlm.nih.gov/21650086/

Effects of Applephenon and ascorbic acid on physical fatigue

https://pubmed.ncbi.nlm.nih.gov/17483009/

Quercetin with vitamin C and niacin does not affect body mass or composition

https://pubmed.ncbi.nlm.nih.gov/21574787/

Orange juice vs vitamin C: effect on hydrogen peroxide-induced DNA damage in mononuclear blood cells

https://pubmed.ncbi.nlm.nih.gov/17349075/

High dose ascorbic acid does not reverse central sympathetic overactivity in chronic heart failure

https://pubmed.ncbi.nlm.nih.gov/21916906/

Effect of antioxidant supplementation on insulin sensitivity in response to endurance exercise training

https://pubmed.ncbi.nlm.nih.gov/21325105/

The effects of vitamin C supplementation on blood and hair levels of cadmium, lead, and mercury

https://pubmed.ncbi.nlm.nih.gov/3476002/

Vitamin C and E supplementation does not reduce the risk of superimposed PE in pregnancy

https://pubmed.ncbi.nlm.nih.gov/21174586/

Age-related cataract in a randomized trial of vitamins E and C in men

https://pubmed.ncbi.nlm.nih.gov/21060040/

Clinical relevance of vitamin C among lead-exposed infertile men

https://pubmed.ncbi.nlm.nih.gov/22731648/

The clinical effects of vitamin C supplementation in elderly hospitalised patients with acute respiratory infections

https://pubmed.ncbi.nlm.nih.gov/7814237/

Vitamin C and E supplementation to prevent spontaneous preterm birth: a randomized controlled trial

https://pubmed.ncbi.nlm.nih.gov/20733448/

Ascorbic acid in Charcot-Marie-Tooth disease type 1A (CMT-TRIAAL and CMT-TRAUK): a double-blind randomised trial

https://pubmed.ncbi.nlm.nih.gov/21393063/

Ineffectiveness of vitamin C in treating coryza

https://pubmed.ncbi.nlm.nih.gov/4870463/

Effect of High-Dose Zinc and Ascorbic Acid Supplementation vs Usual Care on Symptom Length and Reduction Among Ambulatory Patients With SARS-CoV-2 Infection: The COVID A to Z Randomized Clinical Trial

https://pubmed.ncbi.nlm.nih.gov/33576820/

Safety and effectiveness of high-dose vitamin C in patients with COVID-19: a randomized open-label clinical trial

https://pubmed.ncbi.nlm.nih.gov/33573699/

Exploiting the antioxidant potential of a common vitamin: could vitamin C prevent postmenopausal osteoporosis?

https://pubmed.ncbi.nlm.nih.gov/21827580/

Vitamin C in Disease Prevention and Cure: An Overview

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3783921/

The health effects of vitamin C supplementation: a review

https://pubmed.ncbi.nlm.nih.gov/7790686/

Vitamin C and Immune Function

https://pubmed.ncbi.nlm.nih.gov/29099763/

Vitamin C for preventing and treating the common cold

https://pubmed.ncbi.nlm.nih.gov/23440782/
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