Insulin is a hormone that tells the body to store sugar as fat. High insulin levels in the blood lead to Insulin Resistance.
When we are in a state of fat storage we can’t be in a state of fat burning.
Insulin resistance can easily make you feel like you have a slow metabolism because it causes weight loss resistance.
This was something I suffered with for years starting in 2013. I successfully reversed my Insulin Resistance and PCOS so I could finally get back to a healthy weight.