Andrew Huberman· PhD
But you want to avoid being insulin resistant because being insulin resistant and being obese can indeed lead to hair loss. There are many people out there who are not obese who nonetheless are experiencing hair thinning and hair loss because they are insulin resistant by way of reduced IGF-1 activity. There are a few supplements. So these are over-the-counter supplements such as myo-i nositol, taken at dosages of about 900 milligrams before sleep, which by the way, can also assist in sleep or things like berberine or metformin, which are known to improve insulin sensitivity. Each and every one of these has its own profile of positive and negative effects.