Instant oatmeal has long been touted as a cholesterol-lowering powerhouse, but the science behind this claim is more nuanced than it may seem.

While oats do contain a soluble fiber known as beta-glucan, which has been shown to help reduce LDL (the "bad") cholesterol levels, the impact of instant oatmeal specifically on cholesterol is a topic of ongoing debate.

The key factor to consider is the processing method used to create instant oatmeal.

During the production of instant oats, the grains undergo extensive processing, including steaming, rolling, and sometimes even parboiling. - https://nutricarenow.com/blog/instant-oatmeal-cholesterol/?unique_id_hnj7lm61

The Surprising Truth About Instant Oatmeal and Cholesterol Levels