Hi Chenbet, I stop cod liver oil and try for this supplement for both my 3.5 yrs and 1 yrs old boys. I can see the improvement on their health which my elder son not easy fall sick even his classmate got HFMD. His appetite getting better. Teacher feedback that he is more focus in the classroom. My baby boy got high fever and vomit due to teething last night, I gave him this supplement and this morning no more fever and appetite good today.I started this supplement when my baby boy 6mth old. Two more days he is turn 1.