Biotin
- It is a water soluble vitamin, and excreted in the urine. There is no real toxicity as excess is just excreted.
- Food sources are egg yolk, liver, and soybean. But the biotin in food is protein bound and gets released by an enzyme.
- We can manufacture biotin in the small intestine from healthy gut bacteria, so the only source is not technically just from food.
- Biotin is an essential part of our metabolism of carbohydrates, protein amino acids, and blood fats by being a cofactor.
- Biotin is critical to much of our protein synthesis as well as cell growth, which is why it’s an important co-factor in hair and nail growth.
- Biotin can actually cause lab test disorders, including thyroid testing abnormalities, so be sure to disclose to your MD if you are taking this when interpreting tests.