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Vitamins etc.
Vitamin A
Vitamin B1
Vitamin B2
Vitamin B3
Vitamin B5
Vitamin B6
Vitamin B12
Biotin
Folate
Vitamin C
Vitamin D
Vitamin E
Vitamin K

Calcium
Chromium
Copper
Iodine
Iron
Magnesium
Manganese
Molybdenum
Phosphorus
Potassium
Selenium
Sodium
Zinc

Glossary

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that are


Biotin

 

 

Forms:  Biotin

 

 

Sources:  Wheat bran, egg yolks, intestinal flora

 

 

Adequate Intake:  30 mcg/day for adults (NoRDA established).

 

 

Description:  Biotin is needed for the biosynthesis of fatty acids as well as for gluconeogenesis (making of new glucose) and in the metabolism of branched chain amino acids.  In addition, biotin is needed to maintain healthy hair, skin and nails.  A biotin deficiency can lead to hair loss, depression, lethargy, red scaly rashes, and brittle nails.  Other deficiency symptoms include depressed immunity, reduced glucose metabolism and (potentially) adult onset diabetes.  Pregnancy increases the requirement for biotin, and raw egg whites contain a protein called avadin which reduces absorption of biotin.  There are no noted toxic effects which biotin supplementation.

 

 

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