Nuts and seeds: Almonds, sunflower seeds, and pumpkin seeds are good sources of biotin.
Legumes: Black beans, chickpeas, and lentils are rich in biotin.
Whole grains: Whole wheat bread, brown rice( can not take regularly if diabetic), and oats are good sources of biotin.
Fruits and vegetables: Some fruits and vegetables, like sweet potatoes (can not take regularly if diabetic), spinach, and bananas( can not take regularly if diabetic) , contain biotin.