The 37-year-old posted a photo of herself on Instagram and spilled details on her pregnancy favorites—from remedies to apps and clothing brands—on her lifestyle blog.
"As I write this I am 19 weeks pregnant and now believe myself to be an expert on all things pregnancy," the star opened by writing.
"Therefore, I thought it only right that I share my hard gained wisdom with all of you presently, and planning to be, gestation ladies out there. I'm joking, I basically know nothing, but there are a few things that I've discovered during the last 19 weeks that have vastly improved my pregnancy experience."
Heigl added, "I thought that even if only a few of my discoveries were helpful to another pregnant gal I should for sure share them. Just like so many wonderful women have shared with me their tips, tricks and advice for getting through this experience with grace and good humor."
From Braggs Apple Cider Vinegar to cure indigestion, to helping with caffeine cravings and everything in between, check out Heigl's pregnancy pointers on Those Heavenly Days here.