Ay, 6 months na baby mo! Honestly, at that age the best na magagawa mo is breastmilk or formula pa lang talaga, yan ang complete na para sa kanya, kaya if you're worried about development and weight gain, mas better talaga to check with your pedia first para makita kung ano talaga ang kailangan ng baby mo, kasi bawat baby different ang growth pace. A few of us moms here have given extra vitamins like fish oil or vitamin D on pedia's advice lang, so definitely worth asking your doctor about it instead of guessing!