As we age our hair starts to thin, an unpleasant fact but true. The good news is we can do something about it- Biotin! Biotin is a B complex found in our bodies and some foods. Taking Biotin as an oral supplement can really help to combat thinning hair and brittle nails. Many delicious foods containing Biotin also, nuts have the highest levels. Peanuts and almonds are the best! Biotin is also found in tuna, pork and bananas. Eat up your hair is depending on it.