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Glossary: Vitamin D
 


Definition
A fat-soluble vitamin essential to one's health. Regulates the amount of calcium and phosphorus in the blood by improving their absorption and utilization. Necessary for normal growth and formation of bones and teeth. For Vitamin D only, 1mcg translates to 40 IU.

Topics Related To Vitamin D
A Vegan DietThe Condition
"...Vitamin D..."

Boron

As A Treatment
"...Its effect may be to activate the hydroxylation of both cholecalciferol (Vitamin D) and estradiol..."

Breast Cancer

Recommendation Vitamin D
"According to reseachers, women who have mutations in their vitamin D receptor gene are nearly twice as likely to develop breast cancer as are women who do not have the mutation..."

Calcium Requirement

The Condition
"...Metabolites of Vitamin D are important in this, increasing reabsorption of calcium by bones..."

Recommendation Vitamin D
"Vitamin D is essential for absorption of calcium from the gut..."

Cancer, General

Recommendation Sunlight Exposure
"...He says that a lack of sun can reduce levels of vitamin D, which may increase the risk of cancer..."

Recommendation Vitamin D
"Evidence of vitamin D's protective effect against cancer is compelling..."

Change In Clothing Habits

As A Treatment
"...Research suggests that solar exposure triggers the body's synthesis of Vitamin D, vital for (among other things) calcium absorption and a strong immune system..."

Chronic Fatigue / Fibromyalgia Syndrome

Relationship to Vitamin D Requirement
"Some doctors automatically test the vitamin D status of anyone who comes to them with "fibromyalgia", since fibromyalgia is easily misdiagnosed and vitamin D deficiency is easily cured..."

Colon Cancer

Recommendation Multiple Vitamin Supplement
"...Breaking down the various nutrients, it is thought that perhaps it was the increased calcium and vitamin D intake from supplements that was responsible for the reduced risk [Cancer Causes Control 14 (2003): p..."

Diarrhea

The Condition
"...Short stature, weakness due to multifactorial anemia (iron, folate and occasional vitamin B12 deficiency), bone pain and spontaneous fractures from vitamin D and calcium malabsorption, bruising and bleeding related to vitamin K deficiency, gas and bloating due to carbohydrate malabsorption, and edema from albumin and protein loss are typical..."

Fish Oils

As A Treatment
"...Without sun, their bodies couldn't make vitamin D, and they developed rickets..."

Hyperparathyroidism

Recommendation Surgery
"...Some 1-5% develop chronic low calcium levels, which may require treatment with calcium and/or vitamin D..."

Kidney Disease

The Condition
"...The kidneys make renin and erythropoietin, and convert vitamin D into its useful form..."

Kidney Stones (Urolithiasis)

Our Question about vitamin D supplementation
"Excessive intake of vitamin D may give rise to excess calcium in the urine..."

Laxative/Enema Overuse

The Condition
"...Regular use of some laxatives (Correctol, Ex-Lax, Feen-a-Mint) may interfere with your body's absorption of vitamin D and calcium; this can weaken the bones..."

Magnesium

As A Treatment
"...Some calcium-magnesium combinations are formulated with hydrochloric acid and vitamin D to aid mineral absorption..."

Magnesium Requirement

The Condition
"...Supplemental vitamin D or calcium reduces magnesium uptake..."

Non-Hodgkin's Lymphoma

Recommendation Vitamin D
"Administration of activated vitamin D (1,25 dihydroxycholecalciferol) may be beneficial in non-Hodgkin's lymphoma..."

Osteoporosis - Osteopenia

The Condition
"...Vitamin D..."

Our Question about lifetime sun exposure
"A lack of natural vitamin D (obtained through exposure to sunlight) increases the risk of getting osteoporosis later in life..."

Recommendation Sunlight Exposure
"Habits to curtail include heavy smoking, excess alcohol consumption, and limited sunshine exposure or vitamin D intake..."

Recommendation Calcium
"...Intake of supplemental calcium (1000mg per day or more) and vitamin D was associated with reduced tooth loss (due to bone loss) over a five year period in a study of 145 healthy subjects aged 65 years and older who completed a 3-year trial of the effect of..."

Recommendation Magnesium
"You can reverse bone loss and regain bone mass with calcium, magnesium, vitamin D, and vitamin K..."

Ovarian Cancer

Recommendation Sunlight Exposure
"Vitamin D metabolite receptors are found on endocrine and reproductive organs and are known to play a role in inhibiting a number of cancer cell lines..."

Plant-Based Nutrition

As A Treatment
"...Following a vegan diet has been made easier in recent years since vegetarian products fortified with calcium, vitamin D, and vitamin B12 are available in most food stores: vegetarian hot dogs, burgers, fortified soy and rice milks, vegetarian deli slices, and other meat analogs are readily available..."

Poor Bone Health

The Condition
"...This modeling-remodeling process is regulated by factors such as nutritional status, sex hormone status, parathyroid hormone levels, and vitamin D status..."

Poor Prostate Health

The Condition
"...SUPPLEMENTS: Dietary supplements that contain lycopene, standardized saw palmetto extract, selenium, vitamin D, zinc and copper aid in the maintenance of the gland..."

Pregnancy-Related Issues

The Condition
"...1178­82] Calcium & Vitamin D for Bones..."

Recommendation Vitamin D
"The Children's Memorial Hospital in Chicago studied five vitamin D-deficient infants; at least two cases were caused by low vitamin D levels during pregnancy..."

Prostate Cancer

Recommendation Vitamin D
"In patients with advanced hormone refractory prostate cancer with bone metastases, 2000 IU of vitamin D with 500mg of calcium per day for three months was found to reduce bone pain, increase muscle strength, and improve the quality of life..."

Recommendation Calcium
"See the link between Prostate Cancer and Vitamin D..."

Psoriasis

Recommendation Vitamin D
"Vitamin D has been recognised for many years to improve some of the important abnormalities present in psoriasis skin, but ingestion of even only slightly above the daily recommended amount of Vitamin..."

Sunlight Exposure

As A Treatment
"While it is wise to avoid burning or excess tanning from solar or indoor ultraviolet radiation, it should be realized that solar UVB radiation (290-315nm wavelength) is the primary source of vitamin D for most people..."

Tendency to Sunburn Easily

The Condition
"...Sun helps the skin produce vitamin D and heightens its absorption..."

Vitamin D

As A Treatment
"Vitamin D is fat-soluble vitamin requiring bile for absorption, and occurs naturally in animal foods such as salmon, herring, sardines, egg yolks, cod liver oil and dairy products..."

Vitamin D Requirement

The Condition
"Deficiency of vitamin D can over a period of months cause rickets in children and osteomalacia in adults - a skeletal demineralization especially in the spine, pelvis, and lower extremities..."

Our Question about easily-tired legs during childhood
"This is symptomatic of a childhood vitamin D deficiency which may in turn indicate a vitamin D dependency throughout a person's life..."

Recommendation Vitamin D
"Rickets heals promptly with 4,000 IU of oral vitamin D per day administered for approximately one month..."

Recommendation Sunlight Exposure
"People should aim to get 10 to 15 minutes of exposure to direct sunlight each day when the weather allows, without sunscreen, to allow adequate synthesis of vitamin D..."

Weight Loss

As A Treatment
"...The reduction in vitamin D and calcium absorption can cause osteoporosis and other bone disease..."





Last updated: Apr 07, 2008


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