Biotin for hair, nails & thyroid

Dermatologists frequently prescribe biotin for people with hair loss, despite a paucity of research proving it helps
   
Biotin insufficiency is more rare than other nutritional deficiencies but it does happen, leading to hair loss, depression, loss of appetite and numbness and tingling 

Biotin is important in metabolism, having demonstrated the ability to improve glycemic control and strengthen nails
   
Supplementation can alter blood tests, including for thyroid, vitamin D and troponin, a marker of cardiac health

Read the full analysis by Dr. Mercola

 

 

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