Protein shakes, creatine, pre-workout supplements, and muscle-building supplements are among the most widely used supplements by people working out in gyms. But how are they impacting your health? As per Dr Bhanu Mishra, Consultant Nephrologist at Fortis Hospital Shalimar Bagh, one should think about checking their kidney function at least once every six months if they take gym supplements frequently. He further clarified that although most supp…