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A female asked:

what is rich in vitamin c?

2 doctor answers3 doctors weighed in
Dr. Randy Baker
Holistic Medicine 40 years experience
Many fruits & vegies: Top sources of vitamin c include fruits, especially citrus, papayas, kiwi, strawberries, goji & acai berries, and vegetables, especially peppers, broccoli and kale. See http://www.Healthaliciousness.Com/articles/vitamin-c.Php.
Dr. Aasim Sehbai
Hematology and Oncology 24 years experience
Vit c: Tomatoes, potatoes, oranges, tangerines, pine apples, strawberries, lemon, guava, mango, berries, cucumbers, peppers, melons.

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San Carlos, CA
A 47-year-old male asked:

Does vitamin C help fight a cold?

1 doctor answer1 doctor weighed in
Dr. Michio Abe
Internal Medicine 26 years experience
Vitamin C & colds: This topic has been debated. The data suggest that it can reduce duration of colds slightly but it does not prevent or reduce the severity of colds for most people. Some studies of people living in extreme circumstances, including soldiers in subarctic exercises, skiers, and marathon runners, have found a significant reduction in the risk of developing a cold with vitamin c by nearly 50%.
A 36-year-old member asked:

Are there any side effects of vitamin C megadoses to fight flu symptoms?

1 doctor answer2 doctors weighed in
Dr. Randy Baker
Holistic Medicine 40 years experience
Laxative effect: Vitamin c is extremely safe. Excessive doses (usually over 5000 mg a day) can cause a laxative effect, but it is advised to take it until you get loose stools when you have the flu. Vit. C can interact with certain medications, esp. Coumadin (warfarin) (which interacts with everything!). See http://lpi.Oregonstate.Edu/infocenter/vitamins/vitaminc/ see my comment for more info.
Dr. Randy Baker
Dr. Randy Baker commented
Holistic Medicine 40 years experience
Provided original answer
There is a potential hazard from very high doses of C in those with hereditary G-6PD deficiency, but it is unlikely that oral doses could create a problem. For flu symptoms I advise1000- 2000 mg of C every hour or 2 until you get loose stools. A form of Vit C called Lypo-spheric C is much better absorbed and thus may not cause a laxative effect.
Jun 27, 2012
A 37-year-old member asked:

What are the possible side effects of vitamin C over-consumption?

2 doctor answers2 doctors weighed in
Dr. Randy Baker
Holistic Medicine 40 years experience
Laxative effect: Vitamin c is extremely safe. Excessive doses (usually over 5000 mg a day) can cause a laxative effect. Vit. C can interact with certain medications, esp. Coumadin (warfarin) (which interacts with everything!). Concerns that high doses of vit c can cause kidney stones are unproven, in fact there is no good evidence of harm from high doses of c. See http://lpi.Oregonstate.Edu/infocenter/vitamins/vitaminc/.
A 32-year-old member asked:

Does taking vitamin C really keep you from getting sick?

1 doctor answer1 doctor weighed in
Dr. Andrew Turrisi
Radiation Oncology 47 years experience
Overdoses of: The fat soluble vitamins: a, d, e &k are of concern. The others, including c, are easily flushed on a daily basis. Daily dose 200mg-6gm are used.. Linus paulng advocated huge doses as a preventitive. No side effects reported. Acorbic acid is an anti-oxidant. Aid in wound healing. ?Scurvy.
A 33-year-old member asked:

What foods are rich in vitamin c?

2 doctor answers3 doctors weighed in
Dr. Aasim Sehbai
Hematology and Oncology 24 years experience
Vit c: Fresh fruits and vegetables most of them contain vit c! esp tomatoes, oranges, tangerine, lemon, lime, strawberry, blueberry, potatoes, mangoes, kiwi, passion fruit, pears, carrot, pineapple etc.

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Last updated Dec 9, 2013

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