Any of the following symptoms can be caused by a deficiency of BIOTIN:

[     ]  Skin shiny, dry and scaly

[     ]  Tongue purplish-red (magenta) swollen and painful

[     ]  Nausea

[     ]  Muscular pains

[     ]  Mental depression

[     ]  Poor appetite

[     ]  Fingernails a pale colour, pale complexion

[     ]  Sleeplessness

[     ]  Irregular heart beat

[     ]  Hair loss, brittle hair

[     ]Loss of skin pigment