Hay nako, get well soon mama! Para sa ascorbic acid, maraming brands kaya okay lang mag-try ng affordable ones like Ascorbic 500 or even the generic versions from Mercury or Watsons, a few of us just go with what's available na But honestly, at 30 weeks with the cough and sore throat, mas maganda if you check with your OB muna before taking anything, kasi some supplements can interact, and you want to be extra careful with baby na! Make sure you're resting din and drinking lots of water, that helped me talaga when I got sick during pregnancy, plus it's safe pa Hang in there, first-time mom!