a set of natural products rich in vitamin b7 biotin. healthy food concept. cardboard sign with the inscription.

bvitamins b7 biotin liver pork tomato almonds peanuts spinach milk banana salmon cauliflower broccoli eggs walnuts medical sign vitamin pharmacy vitamins alphabet creative food product meal eating supply nutrition diet ingredient health element mineral supplement concept vegetables cereals legumes dairy deficiency meat fish avitaminosis antioxidant essential nutrient