Many people have told me that they have experienced hair loss post weight loss surgery. I experienced a very small amount of hair loss post weight loss surgery. However, due to the malabsorption of nutrients post surgery, the need to supplement nutrients is critical. Taking vitamins supplements or nutritional supplement is an absolute most in the reduction or prevention of hair loss.
Check out the article from David Kellenberger with the Kim Bariatric Institute in Texas for great tips and advice.