text sign showing vitamin b. conceptual photo highly important sources and benefits of nutriments folate reminder appointment dail

healthy health vitamins food diet nutrition b1 thiamine b2 riboflavin b3 niacin b5 pantothenic acid b6 pyridoxine b7 biotin b9 foliate b12 medicine medical organic pharmacy fruits pharmaceutical supplements complex healthcare ingredient metabolism liver fresh natural supplement dietary vegetable vegetables mineral minerals milk diagnosis deficiency deficient nutritionist