HMF Fit For School is a Children's immune support formula from Genestra. This probiotic formula comes in a convenient powder format free of artificial colours or flavours that children will love! Genestra's HMF Fit for School helps to reduce incidence of upper respiratory tract infection (URTI) symptoms. Providing 12.5 billion CFU of live microorganisms that temporarily modify gut flora, HMF Fit for School also contains 50 mg of vitamin C and 1,000 IU of vitamin D per dose for additional immune support.