Generally everyone loses a few hair strands on a daily basis. One should be concerned when you start losing more than 40 strands daily and there is no new hair growth.Causes of hair loss can be genetic, hormonal imbalance, stress, some medications, deprived sleep, nutrition deficiency. The nutritional deficiency includes proteins, vitamins and minerals. A hair vitamin for women is biotin. Biotin is also known as vitamin B7. Biotin deficiency can cause hair loss, hair thinning.Biotin tablets or biotin pills are mostly used to strengthen the hair and reduce hair fall. Biotin hair growth also stimulates hair regrowth and reduces inflammation of the scalp.
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How much biotin is needed for hair growth?
The adequate intake of biotin
The above mentioned is the minimum amount to be taken for daily metabolic functions of the body. Incase of hair loss the amounts vary. The biotin dosage for hair loss is between 2 to 5 mg.
The large amount of biotin for hair growth intake has not shown any side effects or toxicity as it is water soluble vitamin and an extra amount is excreted through the urine.
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Biotin is widely distributed in foods such as meat,nuts,egg,fish and some vegetables but its amount varies.The bioavailability of biotin differs in different foods because of the digestibility of different protein foods hence it is recommended to consume biotin supplements for hair. According to double blind study; supplement of biotin for hair growth has shown positive results in before and after intake of biotin. From over all research you can say biotin is good for hair.
Sources
https://pubmed.ncbi.nlm.nih.gov/28879195/
https://ods.od.nih.gov/factsheets/Biotin-HealthProfessional/
