Yeast-free biotin in crystalline form can be found in Bluebonnet's Biotin 1000 mcg Capsules. Available in vegetable capsules that are simple to swallow for optimal absorption and digestion.contains veggie capsules containing 1000 mg of biotin.Enhances Immune System Function and Aids in Amino Acid Metabolism. 90 Servings of Vegetable Capsules