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Doctor insights on: How Much Vitamin D Is Too Much For Adults

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Help, how much calcium and vitamin d is too much?

Help, how much calcium and vitamin d is too much?

That exceeding norm : Any amount of vitamin d supplementation that causes your vitamin d level to exceed optimal is too high. Know your numbers. Have your vitamin d level checked. 30-100 is normal. Vitamin d and calcium are neccessay for strong bones. In excess, calcium increases your risk for a cardiovasular or heart event, and vitamin d excess can cause fractures. ...Read more

Dr. Randy Baker
1,858 doctors shared insights

Vitamin D (Definition)

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


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How much vitamin d is required for a toddler?

How much vitamin d is required for a toddler?

400 : 400 i.U. The same as for a baby. Toddlers should have 500 milligrams of calcium a day. ...Read more

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Is taking too much vitamin C bad for children and adults?

Is taking too much vitamin C bad for children and adults?

Unlikely to be a pbm: Vitamin c is a water soluble vitamin that you start dumping into your urine as soon as it reaches a level above the bodies need. It does not store in the body & produce overuse disorders like some. It's value in health is certainly critical for those with deficiencies, but value for other issues is questionable.Americans have some of the most expensive pee in the world. ...Read more

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How much vitamin b is to much?

How much vitamin b is to much?

Which Vitamin B?: Vitamin b is not a single vitamin but a group including b1, 2, 3, 5, 6, 12, Folic Acid ; biotin.B6 may be toxic at doses of 200 mg/day. The others are generally considered non-toxic.Some report benefits of up to 2000 mg/day of b3 ; b5 ; those doses appear to be safe. There's no known need for more than 100 mg of b1 or b2/day.Potential benefits of up to 10 mg of folate (folic acid) ; 20 mg of biotin.High B12 is safe. ...Read more

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What is the recommended daily dose of vitamin a? How much is too little and how much is too much?

What is the recommended daily dose of vitamin a? How much is too little and how much is too much?

See below please: U.S. Recommended dietary allowance (rda) for adults is as follows: 900 micrograms daily (3, 000 iu) for men and 700 micrograms daily (2, 300 iu) for women; for pregnant women 19 years old and older, 770 micrograms daily (2, 600 iu); and for lactating women 19 years old and older, 1, 300 micrograms daily (4, 300 iu). ...Read more

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How much magnesium a day? How much is too much? Could magnesium contribute to insomnia if too much is taken?

How much magnesium a day? How much is too much? Could magnesium contribute to insomnia if too much is taken?

Magnesium and sleep: Magnesium (Mg) is found in a variety of foods. If you eat a diverse diet (particularly high fiber foods), you will get plenty of Mg. The body regulates it quite well so unless you take Mg pills, there's no reason to worry about excess. As for sleep, Mg deficiency is associated with insomnia. So getting plenty of Mg from food is a good thing for sleep. Leafy greens, nuts, whole grains, seeds. ...Read more

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How much protein is too much for the body?

How much protein is too much for 

 the body?

Varies w age, sexes: As a general rule, between 50-60 gms should suffice for an average male. Higher amount may be needed for athletes or people who burn more calories. Smaller 49-59 gms daily suffices for most females with similar need for adjustment. ...Read more

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Is too much viamin d , 5000mg to much every day?

No: There is 50000 units ( fifty thousand) units per week ( which means 70000 + a day) as prescription medicine. ...Read more

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How much iron intake is too much?

How much iron intake is too much?

No perfect answer: If you're referring to oral iron, your iron level is normal and you have no underlying blood disorders like thalassemia, it's very difficult to take in too much iron. The body typically only absorbs as much iron from your diet as it needs. Persons receiving frequent transfusions or with conditions like hemochromatosis will have high iron levels, but these are uncommon. ...Read more

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How much vitamins and minerals is too much each day?

How much vitamins and minerals is too much each day?

Depends: Depends on the vitamin, mineral, age and sex of the individual. Different needs at different stages of growth and life.. Some minerals and vitamins can be toxic-not just fat soluble vitamins like a and d, but also e.g. B6 (water soluble) which can cause nerve damage in excess (or deficiency). ...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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Does vitamin D3 1000mcg help balance an underactive thyroid? And why is too much vitamin D3 toxic? How much is too much?

Does vitamin D3 1000mcg help balance an underactive thyroid? And why is too much vitamin D3 toxic? How much is too much?

No.Low Thyroid: Is treated with the appropriate dose of l- thyroxine or similar thyroid rx.Vitamin d level can be measured, and if low, should be raised by vit d replacement.If truly low, replacement doses of up to 50, 000u/wk are initially given.It is very important to have normal levels. ...Read more

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How do I know how much vitamin d is too much?

How do I know how much vitamin d is too much?

More than 5000iu/day: I believe everyone should take at least 2000iu of d3 per day. It is not true that 15 min of sun will give us all we need. But is true that higher levels in the body are cancer and heart disease protective, apart from bone health! ...Read more

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Low vitamin D how much to take??

Low vitamin D how much to take??

Depends: If you have had your Vit D level tested, your doctor has probably given you some recommendations based on that. Encourage him to write prescription strength if your insurance pays for i (sometimes prescription strength, if generic, can be cheaper than over the counter too, even if you don't have insurance). Your Doc's advice is best. Too much/too little is not good. ...Read more

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How much is too much vitamin c to cause kidney stones?

How much is too much vitamin c to cause kidney stones?

Vitamin C: Too much of a good thing can be bad as you imply with your question. The important factor with kidney stones is fluid intake. When the kidneys have too many solids to filter, microcrystals will begin to form stones. Excessive vitamins contribute to this problem. I would say 500-1000 mg/day is reasonable, but if you have a FH for stones, use caution here. Drink more, especially in the summer! ...Read more

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Is 4000iu of vitamin A too much to take daily?

Is 4000iu of vitamin A too much to take daily?

Probably fine: Epidemiology generates all kinds of junk data and I'd ignore studies that report, "Thus-and-so many people with more than thus-and-so daily had more / thus of thus-and-so" unless it makes physiologic sense. This is more than you need to be healthy. Ten thousand is an often-cited recommended upper limit. Much higher vitamin A intake actually will make you sick. ...Read more

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Is drinking 4 glasses of milk in one day too much calcium? How much is too much?

Is drinking 4 glasses of milk in one day too much calcium? How much is too much?

Calcium Intake: One cup of milk has 305 mg. Of calcium. For age 19, body needs 1000mg. Calcium a day drinking 4 glasses of milk will have more calcium than your body needs. ...Read more

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How much methadone is too much for dosage?

How much methadone is too much for dosage?

Any dose that causes: The patient to nod off, act drunk, or stop breathing is too high. When i worked in a Methadone clinic in 1980 in chicago, the average dose was about 45 mg. With the increase in heroin potency, I am seeing patients who have been or are on 200-300 mg a day. ...Read more

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How much is too much melatonin to take for a trip?

How much is too much melatonin to take for a trip?

Melatonin: Since there is no established dose for melatonin, it is recommended to start low (0.3 mg) & work up to 5 mg, taken usually 30 - 60 minutes before bedtime. Potential side effects are nausea/vomiting, headache, irritability. If morning drowsiness occurs, reduce dose or take earlier before bedtime. Choose reliable manufacturer since ingredient quality may vary (not regulated by govt). ...Read more

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How much is too much urine for a newborn?

How much is too much urine for a newborn?

Equal parts: They should be putting out approximately the same amount as they are taking in. Signs of excessive urine loss are sunken eyes, dry mouth, wrinkled skin, and sunken fontenelles. ...Read more

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I just wanted to know can adult take too much vitamin d? What are the consequences

I just wanted to know can adult take too much vitamin d? What are the consequences

VitamnD: Yes you can take too much vitamin D. If your baseline vitamin D is low you would probably be started on 50,000 units a week for a month or two. If your baseline vitamin D is OK you only need 1000 or 2000 units a day. This is available over the counter without a prescription ands is not expensive. ...Read more

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How do I know how much vitamin d is too much?

More than 5000iu/day: I believe everyone should take at least 2000iu of d3 per day. It is not true that 15 min of sun will give us all we need. But is true that higher levels in the body are cancer and heart disease protective, apart from bone health! ...Read more

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Help, how much calcium and vitamin d is too much?

That exceeding norm : Any amount of vitamin d supplementation that causes your vitamin d level to exceed optimal is too high. Know your numbers. Have your vitamin d level checked. 30-100 is normal. Vitamin d and calcium are neccessay for strong bones. In excess, calcium increases your risk for a cardiovasular or heart event, and vitamin d excess can cause fractures. ...Read more

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Hi docs! wondering what amount of vitamin d is too much?

Hi docs! wondering what amount of vitamin d is too much?

No simple answer : For most people 1000-1500 units of vitamin d is sufficient to keep your vitamin d level in the normal range. People with a low level of 25-hydroxyvitamin d (. ...Read more

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What are the symptoms of too much vitamin d?

Nausea, fatigue.: Too much vitamin D may cause high blood calcium which could result in nausea, constipation, fatigue, depression, and excessive urintaion. ...Read more

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Taking 2000iu /day vitamin d is it too much ?

Taking 2000iu /day  vitamin d is it too much ?

No, that's typical: Adults typically can take 1000 to 4000 units a day of vitamin d, so 2000iu per day sounds fine. If blood levels are still low, one can take more. Of course, if levels are high, then one should take less. Only certain people need to have levels checked. ...Read more

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Hi is a daily dose of 14, 000 iu vitamin d too much?

Hi is a daily dose of 14, 000 iu vitamin d too much?

Yes: Go to your doctor to figure out your daily dose requirements. The daily maintenance dose of vitamin d ranges from 600 to 2000 iu of vitamin d daily. Lab tests can show serum levels to guide how much you should be supplementing. Note 14, 000 iu will lead to toxic levels. ...Read more

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Is 50000 units of vitamin d too much to take if my level is 24?

Is 50000 units of vitamin d too much to take if my level is 24?

Very Low Vit D: You could take 50, 000 iu/day for a month then recheck vit d level. If it's between 40-60, then start taking 5-10, 000 iu per day. ...Read more

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I have been prescribed 50000 unit of vitamin d to take twice a week. Is that too much?

I have been prescribed 50000 unit of vitamin d to take twice a week. Is that too much?

Possibly too much.: Taking 50, 000 units of vitamin d twice a week would be appropriate if your vitamin d serum level (25ohd) is very low or undetectable. After several weeks the serum 25ohd should be checked and if normal a lower daily dose such as 1-2000 units daily would be appropriate for chronic use. ...Read more

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Could it be possible to take too much of a vitamin..And would that make you ill, particularly vitamin d?

Yes.: Vitamin d toxicity is rare, but possible, and dangerous - because it raises your serum calcium to hazardous levels. What exactly constitutes a toxic dose of vitamin d has yet to be determined, and it may vary with the individual. Published cases of toxicity, for which serum levels and dose are known, all involve intake of ? 40000 iu (1000 mcg) per day. ...Read more

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Hi I have a problem of vitamin D. How can I increase my Vitamin D? I tried too much but nothing works on me

Hi I have a problem of vitamin D. How can I increase my Vitamin D? I tried too much but nothing works on me

Oral d therapy: You can take oral vitamin d 250h. The amount one needs for repletion depends how low your d level is. If oral 25ohd does not work then there may be a malabsorption issue. You should discuss that with your doctor. We aim for 25ohd level to be above 30. Also sun exposure increases d level quite well. ...Read more

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Can too much vitamin d cause headaches?

Can too much vitamin d cause headaches?

Yes: too much vitamin D can cause headaches. The term is called pseudotumor cerebri and it can occur from too much vitamin A, D, Tetracycline. Stopping the vitamin D should reverse the headaches. ...Read more

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What are the side effects of too much vitamin d?

What are the side effects of too much vitamin d?

Excess Vitamin D: Check out http://www.mayoclinic.org/healthy-living/nutrition-and-healthy-eating/expert-answers/vitamin-d-toxicity/faq-20058108 for signs & symptoms of excess vitamin D, a rare condition also known as hypervitaminosis D eg poor appetite, nausea & vomiting, weakness, frequent urination and kidney problems. This is usually from excess supplementation, not via food or sun exposure. ...Read more

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Are there any side effects to taking too much vitamin d?

Are there any side effects to taking too much vitamin d?

Too much vit d: Yes there are side effects from too much vitamin d, which would be at a toxic level. The test would be at 100 or more to indicate toxicity. However most people do not get enough vit d., and are not toxic. ...Read more

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Is it possible to get too much vitamin d with oral pills and sunshine?

Is it possible to get too much vitamin d with oral pills and sunshine?

Yes.: Excessive intake of vitamin d, more than 10, 000 i.U. Daily can be dangerous. Sunshine alone does not usually produce dangerous levels but could do this if vitamin d pills are also taken. ...Read more

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If a person has too much calcium, why would taking vitamin d be harmful?

It increases calcium: Vitamin d increases calcium absorption, and if it gets too high, it can cause lots of problems such as stomach upset, muscle weakness and even depression. This is why taking too much vitamin d is a problem for most people - 800 units daily is plenty for most. If you have high calcium already, though, you might want to avoid taking extra, and limit sun exposure (raises active vit d). ...Read more

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What dose of vitamin d could i take to help with ovulation without causing problems by taking too much?

What dose of vitamin d could i take to help with ovulation without causing problems by taking too much?

5000 units: I advise 5-6000 units of vit d a day to get a good level of vit d. One likely has to take 40, 000 units a day to become toxic, so there is a wide safety margin. After a couple moths consider a blood test to assess your levels and do some fine tuning of the dose, but 5000 units is good for most. ...Read more

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What is normal level of vitamin d in adults?

What is normal level of vitamin d in adults?

Normal: 30 -80ng/ml: The normal vitamin d level ranges from 30-80ng/ml (may vary somewhat in different lab). Thus, level less than 30 is considered deficient. I have tested many patients and have never seen anyone having above 65ng/ml--i gues because we generally don't get get enough sun exposure and/or not getting adequate intake from diet. Consult doc. Good luck... Ng=nanogram. ...Read more

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What is the normal level for vitamin d for adult?

What is the normal level for vitamin d for adult?

Normal: 30 -80ng/ml: The normal vitamin d level ranges from 30-80ng/ml (may vary somewhat in different lab). Thus, level less than 30 is considered deficient. I have tested many patients and have never seen anyone having above 65ng/ml--i gues because we generally don't get get enough sun exposure and/or not getting adequate intake from diet. Consult doc. Good luck... Ng=nanogram. ...Read more

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What percentage of young adults are low in vitamin d?

What percentage of young adults are low in vitamin d?

70%: A whopping 70 percent of american kids aren't getting enough vitamin d, and such youngsters tend to have higher blood pressure and lower levels of good cholesterol than their peers, according to two new studies published august 2009 in the journal pediatrics. Low vitamin d levels also may increase a child's risk of developing heart disease later in life, experts say. ...Read more

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Dr. Linda DiMeglio
1,055 doctors shared insights

Calcitriol (Definition)

Calcitriol is a metabolic agent which is a kind of ...Read more