Doctor insights on:
Vitamin C Insomnia
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
Many women complain that they have trouble sleeping when they are pregnant. Try not to eat just before bedtime. Consider taking a warm bath at bedtime to help you relax. As your abdomen gets bigger, you may want to lie on your side with a pillow under your abdomen and a pillow between ...Read more
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
DailyRequirement60mg: 1000 mgm is a lot.Daily requirement of Vitamin C is 60mgm.You can get enough from your diet if you have citrus fruits/juices,tomato,papaya,green leafy vegetables like kale,kivi fruit,bell peppers,guava,brocolli,strawberriespeas.Some recommend supplement up to 1000 mgm but I don't exceed more than 500 mgm as large doses can cause diarrhea,nausea,abdominal pain,Calcium oxalate kidney stones etc. ...Read moreSee 1 more doctor answer
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 moreSee 3 more doctor answers
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
Bad: The side effects range from GI upset , headaches to kidney stones. There is no reason for most people to take vitamin C supplement since it does not prevent you from catching a cold as alleged. For more info, log on www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy.../vitamin-c/faq-20058030 ...Read moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
Can save lives: High doses of vit. C given intravenously is remarkably safe, is highly effective in treating acute & chronic viral infections & is a natural form of chemotherapy. Relatively high oral doses help prevent heart disease, cancer & slow the aging process. See http://www.Tomlevymd.Com/downloads/vc.Nz.Sept.2010.Pdf & http://www.Vitamincfoundation.Org/basics.Shtml & curing the incurable by tom levy md, jd. ...Read moreSee 1 more doctor answer
That depends on: how much you are referring to. You won't absorb too much because it is water soluble. 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 renal calculi. It can lead to hemolytic anemia in patients with g6pd deficiency. ...Read more
May be useful: Most vitamin supplements are not of much use for anyone who is eating a healthy diet. Vitamin c may be one of the few which is useful especially if you are not eating oranges and lemons regularly. It is a vitamin which helps build our immunity and has some evidence of benefit in preventing virus infections like common colds but the evidence is not very strong ...So there is an ongoing debate ...Read more
Call manufacturer: Each manufacturer has its own formulations. Often it's proprietary, and a secret on how they do it differently from their competition. Call and find out how the company you like best does it. See what they say! ...Read more
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