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Doctor insights on: Vitamin D Deficiency After Gastric Bypass

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If my severe vitamin D deficiency was caused by malabsorption, would oral vitamin D supplements work?

If my severe vitamin D deficiency was caused by malabsorption, would oral vitamin D supplements work?

Vit D malais: 53 M of unknown ethnicity from UK asks "if my severe Vit D was caused by malabsorption would oral D work". ANS; yes it you can correct cause of malabsorption or take in enough to overcome the malabsorb problem. Talk with your team there who know you best. ...Read more

Dr. Gregg Nishi
473 doctors shared insights

Gastric Bypass Surgery (Definition)

Gastric bypass surgery is a restrictive and malabsorptive procedure to help lose weight. Restrictive is in the fact that the stomach is down sized to a 2 oz pouch and malabsorptive is in bypassing part of the stomach and 100 to 150 cm of the small ...Read more


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Can I take over-the-counter iron , like slow fe after gastric bypass surgery?

Can I take over-the-counter iron , like slow fe after gastric bypass surgery?

OTC iron ok: Over the counter iron is ok. Slowfe is one of most common. If you are eating ice , then you are really deficient and must take 2-3 times per day. Some bypass patient get so low in iron that an infusion might be needed. Get your levels checked! ...Read more

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I've vitamin D deficiency 17.5nmol/l and iron deficiency 6.8umol/l there is any problem if i take vitamin D and iron together ?

I've vitamin D deficiency 17.5nmol/l and iron deficiency 6.8umol/l there is any problem if i take vitamin D and iron together ?

No problem: Taking both vitamin D and iron together should not be a problem. Your stomach may be sensitive to one of these drugs so if you have any symptoms such as nausea or pain you should try taking them at different times. ...Read more

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Can I take the followings/d Hpv and low grade vitamin A 8000 iu vitamin b13 1000ug vitamin c 1500 mg vitamin D 25 ug vitamin e 400 iu folic acid 800ug?

Can I take the followings/d
Hpv and low grade
vitamin A 8000 iu
vitamin b13 1000ug
vitamin c 1500 mg
vitamin D 25 ug
vitamin e 400 iu
folic acid 800ug?

Vitamins and HPV: Vitamins as supplements will have absolutely no effect on HPV. You can however take the supplements you indicated, although a single multivitamin a day would be just as effective. ...Read more

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Is Vitamin d deficiency related to Irritable Bowel Syndrome? If one has adequate sun exposure, wat else could b the reasons for vitamin D deficiency?

Is Vitamin d deficiency related to Irritable Bowel Syndrome? If one has adequate sun exposure, wat else could b the reasons for vitamin D deficiency?

Liver and kidney: The active vitamin D is made from a precursor compound in the skin which, upon exposure to sun light, is converted into an intermediate metabolite that in turn needs to be further metabolized in the liver and finally in the kidney. Problem anywhere along this path can cause deficiency ...Read more

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Found out unknown cause folate deficiency-rX 5mg folic acid tabs,how long before replenished? When to retest? Causes ?VIT D borderline deficient too

Found out unknown cause folate deficiency-rX 5mg folic acid tabs,how long before replenished? When to retest? Causes ?VIT D  borderline deficient too

Folate (folic acid) deficiency : Folate (folic acid) deficiency can be caused by nutritional deficiency, medications, chronic diseases or frequent use of tanning beds. 5mg of folate (folic acid) is often used to treat deficiency. Usually 4 months of treatment is needed, then dose can be reduced. Levels may be rechecked after 2 a 4 months. ...Read more

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What vitamin deficiency usually causes memory lapses? Post gastric bypass 9/2011

What vitamin deficiency usually causes memory lapses? Post gastric bypass 9/2011

Vitamins: The most common vitamin deficiencies seen after gastric bypass are with vitamin b12, vitamin d and iron. Some have low calcium. Vitamin B12 deficiency can affect the central nervous system and memory. ...Read more

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Can IBS patients absorb nutrients from supplements as NT from food causing B12 & vitamin d defiency?

Can IBS patients absorb nutrients from supplements as NT from food causing B12 & vitamin d defiency?

Yes they do: Ibs does not effect the absorption of the supplements as there is no problem with absorption and they can be given supplements to correct deficiencies if diagnosed or anticipated.Vit B12 can be given orally or pareterally if needed. ...Read more

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My vitamin d level is 18 ..why vitamin d supplement gives me horrible muscle cramps ..should I take calcium with vitamin d or take vitamin d only ?

My vitamin d level is 18 ..why vitamin d supplement gives me horrible muscle cramps ..should I take calcium with vitamin d or take vitamin d only ?

Unusual response: This is a very unusual reaction to Vit D. You are more likely to be reacting to the other ingredients in the supplement so look for a pure Vit D3 with minimal additives. Most adults need 5-8000 iu/day to get optimal levels of 50-80. You probably don't need calcium unless your diet is low in calcium but it is wise to take Vit K with Vit D. Muscle cramps may be caused by low Magnesium. See comment: ...Read more

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Could vitamin d + calcium supplement cause loose bowels? How about iron supplements?

Could vitamin d + calcium supplement cause loose bowels? How about iron supplements?

Yes both: Iron supplements could cause loose bowels. Both vitamins a and d can cause loose stools when consumed in high doses. ...Read more

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Is vitamin d deficiency linked to obesity?

Is vitamin d deficiency linked to obesity?

Vitamin d deficiency: Vitamin deficiencies are fairly common in our population, but aren't regularly measured. It is partly related to our dietary habits, and a diet in high fat, high calorie food is not necessarily nutritionally balanced. The other, specifically for vitamin d, is related to sun exposure, and many of the morbidly obese are not very physically active and engage in regular outside activities. ...Read more

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Will a vitamin d deficiency lead to stomach problems?

Will a vitamin d deficiency lead to stomach problems?

Not typically: Vitamin d deficiency is associated with rickets in growing children and osteomalacia in adolescents and adults. Symptoms of rickets, if present, include pain and irritability, motor delay, poor growth, and increased susceptibility to infections. People with osteomalacia may have no symptoms or may have generalized muscle and bone pain. ...Read more

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Does vitamin B9 /folic acid/ needs gastric intrinsic factor to be absorbed like the B12 vitamin ?

No: It's absorbed readily as long as the small intestine is basically intact. Here's a recent scientific review. http://www.ncbi.nlm.nih.gov/pmc/articles/pmc3573592/. ...Read more

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Is having a B12 vitamin deficiency or folic acid deficiency common?

Is having a B12 vitamin deficiency or folic acid deficiency common?

Fairly: B12 def more common. Ideal lab value for serum B12 is 800 or more. Possibly due to gluten sensitivity which can damage gut lining and promote malabsorption. Also hypothyroidism can cause decreased stomach acid which can impair digestion and absorption. Take methylcobalamin supplements. ...Read more

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Is omega 3 deficiency and vitamin a deficiency genetic?

Is omega 3 deficiency and vitamin a deficiency genetic?

Vitamin deficiency: Not usually. Vitamin deficiencies are usually due to dietary deficiencies, but rarely can be related to problems absorbing nutrients. That may be due to a genetic defect. ...Read more

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What happens with vitamin d deficiency?

What happens with vitamin d deficiency?

Vitamin D: With gross deficiencies of vitamin d, one can have rickets -- where bones don't mineralize properly and can be deformed. Low d may show up as bone pain and muscle weakness at first. Low vitamin d also correlates with increased risk of death from cardiovascular disease, cognitive impairment in seniors, severe asthma in kids, cancer, hypertension, depression, glucose intolerance, and ms. ...Read more

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Would taking 1800 mcg of vitamin d +400 mcg of calcium in be too much to take? Vitamin d low with 1400 mcg supplemented daily. I am 47yr old female.

Would taking 1800 mcg of vitamin d +400 mcg of calcium in be too much to take? Vitamin d low with 1400 mcg supplemented daily.  I am 47yr old female.

Ask your doctor: If you have low vitamin D three levels, you should probably start supplementing. However because it is a fat-soluble vitamin, it can accumulate and build up reserves rather quickly, so you want to follow your doctor's advice on how quickly or fast s/he wants to do this. Also your ratio of calcium is off. So best to discuss this with your doctor to get you back on track. ...Read more

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Does vit d deficiency cause tingling/numbness,limb weakness,low chronic fever,headaches,pain,severe memory loss,ataxia,etc?Initial vit d level was 5.

Does vit d deficiency cause tingling/numbness,limb weakness,low chronic fever,headaches,pain,severe memory loss,ataxia,etc?Initial vit d level was 5.

Vitamin D: A vitamin D level that low is very uncommon. I would have your doctor prescribe 50,000 units omnce a week for two weeks and then have your vitamin D level measured again. ...Read more

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Dr. Randy Baker
1,856 doctors shared insights

Vitamin D (Definition)

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


Dr. Linda DiMeglio
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Calcitriol (Definition)

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