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Doctor insights on: Vitamin C Insomnia

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Can taking high doses of vitamin c lead to insomnia? i think it is activating for me

Can taking high doses of vitamin c lead to insomnia? i think it is activating for me

Not reported but...: High doses of Vit. C are widely used and generally well-tolerated. The most common side effect of doses of 2 grams or more is loose stools and nausea. Other side effects are rare. In searching I have not seen any reports of insomnia. See http://tinyurl.com/zzz5rdx However, most Vit C is derived from corn. If you are allergic to corn you might react to corn-derived C. Try a corn-free form. ...Read more

Dr. Heidi Fowler
1,638 doctors shared insights

Insomnia (Definition)

Insomnia is a sleep disorder in which you cannot fall or stay asleep. It usually accompanies another sleep, medical, or psychiatric disorder, and can lead to memory impairment, mood changes, and increased risk of ...Read more


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Fatigue. Insomnia. Brain fog. Vitamin c deficient. Any idea what is going on?

Fatigue. Insomnia. Brain fog. Vitamin c deficient. Any idea what is going on?

Too many ideas!: There are many possible causes of your symptoms: many type of infections (bacterial, viral, fungal, parasitic), anemia, nutrient deficiencies, toxic exposures, thyroid ; other hormonal problems, sleep disorders, heart disease, stress, depression etc. It's impossible for anyone here to diagnose you further. See a good doctor, preferably with a holistic perspective, for a thorough evaluation ;comment:. ...Read more

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What is rich in vitamin c?

What is rich in vitamin c?

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. ...Read more

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Is 1000mg vitamin C a lot?

Controversial!: I believe 300mg per day is enough. Some physicians believe that 1000mg/day is ok. I disagree! ...Read more

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What foods are rich in vitamin c?

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. ...Read more

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Is it ok to take vitamin C everyday?

Is it ok to take vitamin C everyday?

Vitamin C supplement: Taking vitamin c supplementation is generally safe if taken within the recommended daily allowance. The daily recommended dietary allowances (rdas) in adults are 90 mg for men and 75 mg for women. Higher doses of vitamin c (more than 2000 mg/day for adults) could lead to adverse reactions (heartburn, nausea, diarrhea, or kidney stones). ...Read more

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Is 1000mg vitamin C too much for a day?

Is 1000mg vitamin C too much for a day?

Yes. : Recommended dietary allowance (rda) for vitamin c in mg/day infants 0-6 months: 40 7-12 months: 50 children: 1-3 years: 15 4-8 years: 25 9-13 years: 45 girls: 14-18 years: 65 boys: 14-18 years: 75 men: age 19 and older: 90 women: age 19 and older 75 smokers or if around secondhand smoke at any age, add 35 mg/d. Higher amounts of vitamin c are needed during pregnancy and breastfeeding. ...Read more

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What can happen if you have too much vitamin c?

What can happen if you have too much vitamin c?

Vitamin C: Taking excessive amounts of Vitamin C can cause symptoms such as nausea, vomiting, loose stools, heartburn, abdominal cramping, bloating,headache and insomnia. It may be associated with oxalate renal calculi. It can lead to hemolytic anemia in patients with g6pd deficiency. Large doses of Vitamin C are contraindicated w g6pd deficiency, renal insufficiency, oxalate renal calculus formers, chronic ...Read more

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Dr. Randy Baker
569 doctors shared insights

Vitamin C (Definition)

Vitamin C is a vitamin which is a kind of nutritional agent ...Read more


Dr. Heidi Fowler
389 doctors shared insights

Cecon (Definition)

Cecon is a vitamin which is a kind of nutritional agent ...Read more