But it can also look like brain fog, anxiety, energy crashes, poor sleep, 3am wake ups, and hormonal disruptions.

Metabolic dysfunction sometimes looks like weight gain.

Insulin resistance may progress quietly long before it shows in standard bloodwork. However, advanced lab tests across systems can catch dysfunction years earlier.

Metabolic dysfunction can look like weight gain, but it can also look like brain fog, anxiety, poor sleep, and hormonal disruptions. 

How severe was abnormal weight gain or loss at its peak?