The things we eat can have a huge impact on our bodies inside and out. If your nails are weak, brittle, and prone to splitting, you can give them a boost from the inside out with a biotin supplement. Biotin is a B vitamin that is found naturally in foods like eggs and liver. However, the amount of biotin in a serving of eggs or liver may be too low to make a difference with your nails! Eggs contain 25 mcg of biotin per serving; liver contains 27 mcg per serving. A Columbia University study found that a daily biotin … Continue reading →