Vitamin B7 - Biotin

  Vitamin B7 - Biotin Topics:
Introducing Biotin - Your Beauty Agent
Why Biotin?
What's the Adequate Intake Level for Biotin?

Introducing Biotin - Your Beauty Agent

Biotin is a water-soluble vitamin, generally classified as a B-complex vitamin. After the initial discovery of biotin, nearly forty years of research were required to establish it as a vitamin and categorized in the B Vitamins section. Biotin is required by all organisms but can only be synthesized by bacteria, yeasts, molds, algae, and some plant species. Is this what you think it means? Yes, it's mainly the bacteria in your body that are making this vitamin for you. But don't worry, only the good ones are doing this, and the product of their free work will provide you amazing help in improving your health. Studies have shown Biotin may help to make healthy hair and prevent brittle nails. The interesting thing is Biotin started to make you beautiful since you were just born. Researches has shown that many newborns have cradle cap, which is an inflammation of the skin on the scalp.

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Why Biotin?

Basically, you need Biotin to properly use fats and amino acids from your foods. In its physiologically active form biotin is attached at the active site of four important enzymes, known as carboxylases. Each carboxylase catalyzes an essential metabolic reaction.

Histones are proteins that bind to DNA and package it into compact structures to form chromosomes. The compact packaging of DNA must be relaxed somewhat for DNA replication and transcription to occur. Modification of histones through the attachment of acetyl or methyl groups (acetylation or methylation) has been shown to affect the structure of histones, thereby affecting replication and transcription of DNA. The attachment of biotin to another molecule, such as a protein, is known as "biotinylation". The enzyme biotinidase has recently been shown to catalyze the biotinylation of histones, suggesting that biotin may play a role in DNA replication and transcription.

As mentioned in the introduction, deficient in Biotin may result hair loss and weak finger nails. Studies in this area is being carried out and the results are not yet clear.

One of the supplement is proven in helping Healthy Hair, Scalp and Nails. This supplement is Biotin 5mg from Country Life. It's Ingredients includes: Gelatin (capsules shell) cellulose, silica, magnesium stearate. No yeast, corn, wheat, soy, gluten, milk, salt, sugar, starch, preservatives or artificial color. Studies have shown it may helps in curing balding.

Click here for Country Life Biotin 5mg

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What's the Adequate Intake Level for Biotin?

In 1998 the Food and Nutrition Board of the Institute of Medicine felt the existing scientific evidence was insufficient to calculate an RDA for biotin, so they set an Adequate Intake level (AI). The AI for biotin assumes that current average intakes of biotin (35 mcg to 60 mcg/day) are meeting the dietary requirement.

Daily recommendations for dietary vitamin B7 are listed below.

Children and Youth:

Infants 0-6 months: 5 mcg/day
Infants 7-12 months: 6 mcg/day
Children 1-3 years: 8mcg/day
Children 4-8 years: 12 mcg/day
Children 9-13 years: 20 mcg/day
Adolescents 14-18 years: 25 mcg/day (female) 25 mcg/day (male)

Adults:

Adults 19 years and older: 30 mcg/day (female) 30 mcg/day (male)
Pregnancy all ages: 30 mcg/day
Breastfeeding all ages: 35 mcg/day

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  Vitamin B7 - Biotin Topics:
Who are likely to be deficient in Biotin?
Biotin Deficient Symptoms
Recent studies on Biotin and Your Health
Editors' summary on Biotin


Vitamins in General
- Why Vitamins
- Where to get Vitamins
- Vitamin Types
- How much Vitamins?
- Vitamins Measurement
Vitamin A - Carotene and Retinol:
- Introducing Vitamin A
- Why Vitamin A?
- Vitamin A RDA
- Retinol and Carotene
- Closer look at Carotene
- Who are deficient?

- Deficiency Symptoms
- Do I need Supplements?
- Editors' summary
B Vitamins in General
- Introducing B Vitamins
- Why B Vitamins?
- Where to find B Vitamins - - Who are deficient in B?
- B Vitamins Supplements
- Summary on B Vitamins
Vitamin B1 - Thiamine
- Introducing Thiamine
- Why Thiamine?
- RDA for Thiamine?
- Who are deficient in B1?
- B1 Deficient Symptoms
- Articles on Thiamine
- Summary on Thiamine
Vitamin B2 - Riboflavin
- Introducing Riboflavin
- Why Riboflavin?
- RDA for Riboflavin?
- Who are deficient in B2?
- B2 Deficient Symptoms
- Articles on Riboflavin
- Summary on Riboflavin
Vitamin B3 - Niacin
- Introducing Niacin
- Why Niacin?
- RDA for Niacin?
- Who are deficient in B3?
- B3 Deficient Symptoms
- Articles on Niacin
- Summary on Niacin
Vitamin B5 - Pantothenic Acid
- Introducing Vitamin B5
- Why Pantothenic Acid?
- RDA for Pantothenic Acid? - Who are deficient in B5?
- B5 Deficient Symptoms
- Articles on Vitamin B5
- Summary on Vitamin B5
Vitamin B6 - Pyridoxine
- Introducing Pyridoxine
- Why Pyridoxine?
- RDA for Pyridoxine?
- Who are deficient in B6?
- B6 Deficient Symptoms
- Articles on Pyridoxine
- Summary on Pyridoxine
Vitamin B7 - Biotin
- Introducing Biotin
- Why Biotin?
- RDA for Biotin?
- Who are deficient in B7?
- B7 Deficient Symptoms
- Articles Biotin
- Summary on Biotin
Vitamin B9 - Folic Acid
- Introducing Folic Acid
- Why Folic Acid?
- RDA for Folic Acid?
- Who are deficient in B9?
- B9 Deficient Symptoms
- Articles on Folic Acid
- Summary on Folic Acid
Vitamin B12 - Cobalamin
- Introducing Cobalamin
- Why Cobalamin?
- RDA for Cobalamin?
- Who are deficient in B12?
- B12 Deficient Symptoms
- Articles on Cobalamin
- Summary on Cobalamin
Vitamin C - Ascorbic Acid
- Introducing Vitamin C
- Why Vitamin C?
- Why More Vitamin C?
- Do I need C Supplements?
- C Deficiency Symptoms
- Vitamin C Supplements
- Summary on Vitamin C
Vitamin D - Cholecalciferol
Vitamin E - Alpha Tocopherol
Vitamin K - Phytonadione




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2006