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Glossary: Vitamin C
 


Definition
A water-soluble antioxidant vitamin essential to the body's health. When bound to other nutrients, for example calcium, it would be referred to as "calcium ascorbate". As an antioxidant, it inhibits the formation of nitrosamines (a suspected carcinogen). Vitamin C is important for maintenance of bones, teeth, collagen and blood vessels (capillaries), enhances iron absorption and red blood cell formation, helps in the utilization of carbohydrates and synthesis of fats and proteins, aids in fighting bacterial infections, and interacts with other nutrients. It is present in citrus fruits, tomatoes, berries, potatoes and fresh, green leafy vegetables.

Also: Ascorbic Acid

Topics Related To Vitamin C
Acetyl-L-CarnitineAs A Treatment
"...Vitamin C-complex works synergistically with carnitine for its synthesis..."

Addictions / Addictive Tendencies

The Condition
"...Vitamin C helps detoxify and reduces drug cravings..."

Alzheimer's Disease

Recommendation Vitamin C (Ascorbic Acid)
"Both vitamin E and vitamin C supplements reduced the incidence of Alzheimer’s disease in a 1998 study..."

Anemia (Iron deficiency)

Recommendation Vitamin C (Ascorbic Acid)
"It has been well established that better iron absorption occurs from both plant and animal sources when vitamin C is taken at the same time, whether from foods or as a supplement..."

Anemia (Uncommon Nutritional)

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C enhances the absorption of iron..."

Antioxidant Requirement

The Condition
"...Naturally-occurring antioxidant vitamins include carotenoids (which may also be pro-vitamin A), the vitamin E family of compounds (tocopherols and tocotrienols) and vitamin C..."

Antioxidants

As A Treatment
"...Also, vitamin C has been found to prevent the formation of N-nitroso compounds, the cancer-causing substances from nitrates and nitrites found in preserved meats and in some drinking water..."

Ascorbate

Related Topic
"A mineral salt of ascorbic acid (i..."

Asthma

Recommendation Increased Fruit/Vegetable Consumption
"Vitamin C, present in fruits, is a powerful antioxidant and anti-inflammatory agent..."

Recommendation Bioflavonoids
"...In addition, quercetin has both a vitamin C-sparing effect and a direct stabilizing effect on membranes, including mast cells..."

Atrophic Gastritis

Recommendation Vitamin C (Ascorbic Acid)
"There may be a localized deficiency of Vitamin C in atrophic gastritis..."

Bioflavonoid

Related Topic
"...Essential for the stability and absorption of ascorbic acid..."

Bioflavonoid Need

The Condition
"...The flavonoids help protect vitamin C, and citrus flavonoids in particular improve the absorption of vitamin C..."

Birth Control Pill Issues

The Condition
"...Vitamin C (Ascorbic Acid)..."

Breast Cancer

Recommendation Vitamin C (Ascorbic Acid)
"In a 1991 review of 46 studies of the protective effect of vitamin C against cancer, 33 of those studies showed that vitamin C helped safeguard against the development of many cancers..."

Bruising Susceptibility

Recommendation Increased Fruit/Vegetable Consumption
"Many people eat insufficient amounts of foods containing vitamin C; the disease caused by vitamin C deficiency, scurvy, causes easy bruising..."

Cancer, General

Recommendation Plant-Based Nutrition
"...[3] Fruits and vegetables contain antioxidant substances, such as vitamin C, vitamin E, and carotenoids, which protect cells against oxidative damage, which is related to cancer risk and other health problems..."

Carotid Artery Disease

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C protects artery linings by making them more resistant to the kind of injury that permits plaque formation..."

Cataracts

Recommendation Vitamin C (Ascorbic Acid)
"Several experimental and epidemiologic studies have shown that long-term consumption of vitamin C supplements may substantially reduce the development of age-related lens opacities..."

CBC (Complete Blood Count) Test

As A Treatment
"...A plethora of additional factors can affect your test results: your intake of caffeine, tobacco, alcohol, and vitamin C; your diet (vegetarian vs..."

Cervical Dysplasia

Recommendation Vitamin C (Ascorbic Acid)
"Recent evidence suggests that beta-carotene and/or vitamin C may reverse or reduce the risk of cervical dysplasia..."

Recommendation Beta-Carotene
"Recent evidence suggests that beta-carotene (in doses of about 25,000 IU per day) and/or vitamin C may reverse or reduce the risk of cervical dysplasia..."

Chitosan

As A Treatment
"...Ascorbic acid (not buffered) seems to enhance its effects..."

Chlorella

As A Treatment
"Chlorella pyrenoidosa, a freshwater single-celled green algae, is more popular in Japan as a regular supplement than vitamin C..."

Chronic Renal Insufficiency

Recommendation against Vitamin C (Ascorbic Acid)
"The authors of the following study believe it shows that vitamin C supplementation leads to a significant increase in serum oxalate levels in dialysis patients..."

Cigarette Smoke Damage

Recommendation Vitamin C (Ascorbic Acid)
"Smokers are advised to consume an extra 35mg daily because smoking depletes the body of some vitamin C..."

Colds and Influenza

Recommendation Vitamin C (Ascorbic Acid)
"Many studies have been done to determine the effect vitamin C has on the common cold..."

Concern Over Wrinkled Skin

Recommendation Vitamin E
"The skin's natural defenses against the free radicals produced by UV light are vitamin C and vitamin E..."

Recommendation Vitamin C (Ascorbic Acid)
"Ascorbic acid reserves are often depleted in older people, who tend to need more vitamin C in their diet..."

Copper

Related Topic
"...It is also involved with vitamin C in the formation of collagen and the proper functioning in central nervous system..."

Copper Toxicity

Recommendation Zinc
"Zinc and manganese with vitamin C remove copper from the tissues..."

Coronary Disease / Heart Attack

Recommendation Plant-Based Nutrition
"Fruits and vegetables contain antioxidant substances, such as vitamin C, vitamin E, and carotenoids, which protect cells against oxidative damage, which is related to cancer risk and other health problems..."

Recommendation L-Proline
"See links between Increased Risk of Heart Attack and the treatments Lysine and Vitamin C..."

Recommendation Vitamin C (Ascorbic Acid)
"Supplemental vitamin C can help heal injured arteries when used with L-lysine and proline for plaque prevention and possibly removal..."

Cystitis, Bacterial bladder Infection

The Condition
"...15 Vitamin C and phenazopyridine10 may cause false-negative or unreadable results..."

Recommendation Vitamin C (Ascorbic Acid)
"The urine pH is often elevated in times of bacterial infection but can be lowered by some medications or unbuffered vitamin C..."

Dehydroascorbate

Related Topic
"An oxidized form of ascorbic acid (vitamin C)..."

Diabetes Type II

Recommendation Vitamin C (Ascorbic Acid)
"...Fred Klenner, MD has used large amounts of Vitamin C for many ailments, and says that diabetics are so deficient they should be considered as having scurvy..."

Esophageal Cancer

The Condition
"...A supplementation plan should include nutrients that help support your immune system and reduce toxic side-effects, including ... Vitamin C..."

Estrogen-balancing Medications

As A Treatment
"...Choline, inositol, and methionine, vitamin C and bioflavonolds have been used to assist in preventing and stopping bleeding from fibroids..."

Excess Phytates in Diet

The Condition
"...Even a small amount of phytates in food can reduce iron absorption by half, but the effect is less marked if a meal is supplemented with ascorbic acid, which can also help the absorption of zinc and calcium..."

Fluoride Toxicity

Recommendation Calcium
"It has been observed that the ingestion of calcium, vitamin C or vitamin D, individually, is effective in protection from fluoride toxicity to a certain extent..."

Folic Acid

As A Treatment
"...Those who drink alcohol or take high amounts of vitamin C also require more of this vitamin..."

Related Topic
"A B-complex vitamin that functions along with vitamin B-12 and vitamin C in the utilization of proteins..."

Glycolic Acid

As A Treatment
"...It has been reported that in combination with MSM, colostrum and vitamins (especially vitamin C), the positive effects can be enhanced..."

Grape Seed Extract

As A Treatment
"With high levels of oligomeric proanthocyanidin, which is 50 times more potent than vitamin E and 20 times more potent than vitamin C, grape seed extract is an antioxidant and free-radical scavenger par excellence..."

Green Tea

As A Treatment
"...Function; Reasons For Use Green Tea has demonstrated superior antioxidant properties in experimental studies than vitamin C or E..."

Heavy Metal Toxicity

The Condition
"...For many patients, intravenous Vitamin C and replacement mineral infusions are also recommended to support the body through the metal removal process..."

Hemochromatosis (Iron overload)

The Condition
"...Diagnosis & Tests The use of supplementary iron and vitamin C (which increases iron absorption) may lead to earlier laboratory abnormalities and iron deposition..."

Recommendation against Vitamin C (Ascorbic Acid)
"One study has indicated that excessive vitamin C intake may be a contributing factor in hemochromatosis..."

Hemorrhoids

The Condition
"...Vitamin C 500-1,000gm tid with Bioflavonoids 3,000-6,000mg per day..."

Hepatitis

The Condition
"...Other treatments that have been beneficial include the use of Vitamin C, liver extracts (which promote hepatic regeneration) and Reishi mushrooms..."

Recommendation Beta-Carotene
"See the link between Hepatitis and Vitamin C..."

Herpes Simplex Type I

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C, zinc, thymus extracts, TMG, monolaurin from coconut, and olive leaf extract have all been used with some success as reported by various doctors..."

Histapenia (Histamine Low)

Recommendation Vitamin C (Ascorbic Acid)
"Zinc and manganese with vitamin C remove copper from the tissues..."

Hives

Recommendation Vitamin C (Ascorbic Acid)
"High doses of vitamin C, such as mineral ascorbates, can help those with hives by lowering histamine levels..."

Hot Drinks

As A Treatment
"...Add fresh lemon for vitamin C or warmed nonfat milk (or fortified soy milk) for calcium..."

Hyperparathyroidism

The Condition
"...A person with primary hyperparathyroidism who also has borderline nutritional status may develop deficiencies in the following substances that are necessary for normal bone formation: Vitamin C, Vitamin K, Manganese..."

Hypertension (High Blood Pressure)

Recommendation Vitamin C (Ascorbic Acid)
"A 1999 study found that in systolic and diastolic hypertension as well as elevated pulse rate, blood plasma vitamin C levels were reduced..."

Increased Fruit/Vegetable Consumption

As A Treatment
"...Patients undergoing dialysis may develop low levels of vitamin C, which can lead to capillary fragility..."

Inositol

As A Treatment
"...Vitamin E, vitamin C as well as folic acid and linoleic acid are thought to increase the functioning of inositol..."

Iron

As A Treatment
"...Presence of vitamin C enhances the iron absorption, which is why consuming citrus fruit along with iron helps..."

Laryngitis

Recommendation Zinc
"Sugar-free herbal-based lozenges fortified with vitamin C or zinc, a mineral that speeds healing, are very helpful..."

L-Glutathione

As A Treatment
"...Alpha lipoic acid, selenium, vitamin C, TMG, NAC, Milk Thistle (silymarin), coffee enemas, cold-processed whey proteins, colostrum, certified raw milk and L-glutamine support increased glutathione levels..."

Liver Detoxification Phase II Support

As A Treatment
"...Substances that activate Phase I detoxification ... Nutrients: niacin; vitamin B1; vitamin C..."

Low Adrenal Function / Adrenal Insufficiency

The Condition
"...This may include vitamin C, PABA, adrenal glandulars, ACE (Adreno-Cortico-Extracts) injections, licorice root, ginsengs, TMG (tri-methyl-glycine) and DHEA among other possibilities..."

Recommendation Vitamin B5 (Pantothenic Acid)
"Key nutrients to aid adrenal function include vitamin C, B5 (pantothenic acid), vitamin B6, zinc, and magnesium..."

Macular Degeneration

Recommendation Vitamin C (Ascorbic Acid)
"...People with high levels of vitamin C, vitamin E and selenium appear to have a 70% lower risk of developing macular degeneration..."

Magnesium

As A Treatment
"...Used when a vitamin C claim is also intended with the product..."

Manganese

As A Treatment
"...Manganese ascorbate: The salt form of manganese with ascorbic acid..."

Meyer's Cocktail

As A Treatment
"...5cc), vitamin B2 (1000mcg/cc; 1cc given), vitamin B5 (100mg/cc; 1cc given), vitamin B6 (250mg/cc; 1cc given), the entire vitamin B complex (100mg/cc; 1cc given), and vitamin C (222mg/cc; 6cc given)..."

Molybdenum

As A Treatment
"...Both vitamin C, which helps detoxify nitrosamine, and nitrate reductase, which needs molybdenum to function, can help reduce the levels of this carcinogenic chemical as it has done for the Chinese..."

Motherhood Issues

The Condition
"...The likelihood of severe reactions can be reduced by giving 500mg of vitamin C just prior to the vaccination..."

Multiple Vitamin Supplement

As A Treatment
"...These include vitamin C and the B-complex vitamins..."

Muscle Pains (Myalgia)

Relationship to Vitamin C Requirement
"To test the effects of vitamin C in preventing muscle soreness, researchers at Western States Chiropractic College gave 3gm of vitamin C to students beginning 3 days before exposing them to the stress of exercise..."

Non-Hodgkin's Lymphoma

Recommendation Vitamin C (Ascorbic Acid)
"...When dietary vitamin C levels were low, the risk of non-Hodgkin's lymphoma in men increased..."

Noni

As A Treatment
"...The same study looked at the effective anti-oxidant properties of this Tahitian Noni brand of noni juice, comparing it with the free-radical properties of vitamin C, grape seed powder, and a commercial product containing specific bioflavonoids extracted from pine bark, at the daily dose recommended by U..."

Ochronosis / Alkaptonuria

Recommendation Vitamin C (Ascorbic Acid)
"Some physicians prescribe high doses of ascorbic acid to prevent the interaction of the ochronotic pigment with the tissues..."

Parkinson's Disease

Recommendation Plant-Based Nutrition
"Diets high in vitamin C and beta-carotene provide significant protection against Parkinson's disease..."

Recommendation Vitamin C (Ascorbic Acid)
"Supplementation with vitamin C and E markedly slows the progression of the disease in its early stages..."

Pharyngitis ("Strep Throat")

The Condition
"...Risk Factors Epidemiological surveys demonstrate a correlation between vitamin C deficiency and the development of post-streptococcal consequences..."

Phlebitis / Thrombophlebitis

The Condition
"...Vitamin C helps strengthen the walls of veins and arteries..."

Plant-Based Nutrition

As A Treatment
"...[7-12] Consuming foods rich in vitamin C, such as orange juice, with iron-rich foods enhances the absorption of iron..."

Poor Memory

Recommendation Bioflavonoids
"See the Link between Poor Memory and Vitamin C..."

Poor/Slow Wound Healing

The Condition
"...In a study of women being treated for venous leg ulcers, it was revealed that the women had suboptimal dietary intake of energy-providing food sources and key wound-healing nutrients such as vitamin C and zinc even though they had well-organized food habits [Wissing et al..."

Recommendation Vitamin B5 (Pantothenic Acid)
"...One week prior to surgery, some patients were administered 200mg of vitamin B5 and 1gm of vitamin C..."

Recommendation Copper
"...It works with vitamin C to create strong collagen, and it creates cross-links in collagen and elastin that give strength to proteins..."

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C is crucial for the proper function of the enzyme protocollagen hydroxylase which produces collagen, the primary constituent of the granulation tissue that heals a wound and the key component..."

Pregnancy-Related Issues

Recommendation Vitamin C (Ascorbic Acid)
"...287­91] In one study of over 300 consecutive births, the mothers were given 5gm of vitamin C in the first trimester, 10gm in the second and 15gm in the third..."

Scurvy

Related Topic
"A disease that is caused by a lack of vitamin C in the diet..."

Selenium Requirement

Our Question about vitamin C supplementation
"The availability of selenium for absorption was reduced almost to zero when sodium selenite (a common form of selenium) and 1gm ascorbic acid were taken together well before any meal..."

Silicon

Related Topic
"...While vitamin C functions only as a catalyst in the formation of collagen, silicon is actually a structural part of collagen..."

Stomach Cancer

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C supplementation may help reduce the risk to the development of gastric cancer by increasing ascorbate levels within the stomach and decreasing mucosal DNA damage..."

Recommendation Plant-Based Nutrition
"...The researchers found that plant-based nutrients such as dietary fiber, dietary beta-carotene, folic acid, vitamin C and vitamin B6 were associated with lower risk of these kinds of cancers..."

Syndrome X

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C is a powerful antioxidant that protects against infection and boosts the immune system..."

Test for B12 Levels

As A Treatment
"...However, pregnancy, large doses of vitamin C, and folate deficiency may result in a falsely reduced B12 microbial assay..."

Thuja

As A Treatment
"...The leaves also contain rhodoxanthin, amentoflavone, quercetin, myricetin, carotene, xanthophyll and ascorbic acid..."

Thymus

Related Topic
"...The thymus appears to need plenty of balanced protein, antioxidants like carotenes, vitamin C, E, B6, zinc and selenium..."

Ulcerative Colitis

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C (unless it causes colon irritation) may be supportive..."

Urinary Stress/Urge Incontinence

Recommendation Vitamin C (Ascorbic Acid)
"Vitamin C at 500mg, 2-3 times daily with meals may provide some anti-inflammatory support..."

Vitamin A

As A Treatment
"...It fights infection and supports the immune system right along with zinc lozenges, vitamin C and echinacea..."

Vitamin B12 Requirement

Our Question about vitamin C supplementation
"Megadoses of vitamin C and/or copper can cause B12 deficiency..."

Vitamin B3 Requirement

The Condition
"...The conversion of tryptophan to niacin requires the presence of other nutrients, such as thiamin, pyridoxine (vitamin B6), biotin, vitamin C and iron..."

Vitamin B-Complex

As A Treatment
"The B-vitamins, like vitamin C, are water-soluble and are not stored in the body..."

Vitamin C (Ascorbic Acid)

As A Treatment
"...Vitamin C use has been an alternative therapy for many years..."

Vitamin C Requirement

The Condition
"Vitamin C is a water-soluble vitamin..."

Our Question about gums that bleed easily
"Bleeding gums are sometimes due to scurvy (vitamin C deficiency), but this is a rare condition nowadays..."

Vitamin E

As A Treatment
"...Vitamin E works alongside other antioxidant nutrients including selenium, vitamin C, beta-carotene and others to quench free radicals, peroxides and other potentially harmful substances..."

Vitamin E Requirement

The Condition
"...In contrast, vitamin C serves to protect the aqueous - or watery - regions of the cells from oxidation..."

Vitiligo

Recommendation Test Copper Levels
"Melanin, the normal body pigment, is synthesized from the essential amino acid L-phenylalanine by an enzyme system dependent on copper, vitamin B6, vitamin C..."

Recommendation Vitamin B12 (Cobalamine)
"...This may be part of the reason why these nutrients, along with vitamin C, are often successfully used as part of a vitiligo repigmentation program..."

Vulvodynia / Vestibulitis

Recommendation Oxalate Avoidance
"...In addition, do not take more than 250mg of Vitamin C per day as it may contribute to oxalate formation..."

Yeast / Candida Infection

Recommendation Vitamin C (Ascorbic Acid)
"One Osteopath (DO) is known to use intravenous vitamin C followed by intravenous flagyl with good results for candidal overgrowth..."





Last updated: Nov 14, 2009


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