Vitamin D Supplement Review
A great
source of vitamin D is sunlight.Exposure to
the rays of the sun during 20 minutes will stimulate its
production because it is formed in the human body by the
action of the ultraviolet rays of the sun on the
skin.
This fat soluble vitamin will be converted by
the kidney to the hormon Calcitrol,its most active form.Food
sources:fortified milk,saltwater fish,eggs,liver .
Calciferol Forms: Capsules,tablets, liquid.
Vitamin D Dosage :
- 200IU to 10,000 IU.
Most common dosage:400 IU.
- Benefits of vitamin D - Vitamin D Functions: vitamin D
supplement key role:Growth and development of bones and
teeth.Essential for calcium absorption and metabolism,it is
an important growth nutrient for infants and children.It
also enhances the immune system.
We suggest to buy from companies that follow
GMP(Growth Manufacturing Practice) and present other benefits
like low prices or low shipping cost.These are:
- Interactions: Drugs or Nutrients that decrease its
absorption or levels in the
body:Anticonvulsivants(Barbiturates,Carbamazepine,Fosphenytoin)
,Bile acid
sequestrants(Cholestyramine,Colestipol),Corticosteroids,H-2
receptor antagonists(include Cimetidine),Isoniazid,Mineral
Oil,Rifampicin,Orlistat.
- Vitamin D overdose - Vitamin D Toxicity: This dietary
supplement is considered safe when doses are lower than
1000 UI per day.
doses may be toxic and increase the blood levels of
calcium(Hypercalcemia) which causes calcium deposit in soft
tissues,internal organs and increase the risk of kidney
stones.
Hyercalcemia include:headache,weakness nausea,vomiting and
constipation.
- Pregnancy/Breast-feeding Precaution: Medical literature
has not yet reported any adverse effects relative to fetal
development during pregnancy or to infants who are
breast-fed.
- Health conditions related and Vitamin D deficiency
symptoms:
1)Multiple sclerosis:The incidence of MS is
near zero in regions(equatorial) where high sunlight exposure
cause ample production of vitamin D through skin exposure.
increase dramatically with latitude in both hemispheres.This
fact suggests a relationship between low levels of this
nutrient,a weaked immune system, and increased incidence of
multiple sclerosis.
2) Osteoporosis:Postmenopausal women with
osteoporosis often present vitamin d defficiency.This is due to
the fact that this fat soluble vitamin plays a major role in
regulating calcium absorption.Supplementation is
recommended.
3)Seizure Disorders or Epilepsy: These patients with epilepsy
are generally treated with anti-seizure medications such as
phenobarbital,phenytoin,carbamazepin which cause vitamin D
defficiency and interferes with the ability of the body to
absorb calcium.
These troubles can cause skeletal problems.Providing adequate
levels of this vitamin which will help calcium absorption is
the correct therapeutic intervention which will help calcium
absorption is the correct therapeutic intervention.
Other Vitamins & Minerals Info
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