When we see people get into nutritional trouble post-op, sometimes it's because they got good advice and didn't follow it, but sadly it's also sometimes because they got bad advice from their surgeon or his staff and DID follow it. Don't let this happen to you.
I've been on this board and others devoted to bariatric surgery and esp the DS for over 9 years. When people take ADEK's because they sound right or because their surgeon told them to, they get into trouble. There just isn't enough of the fat soluble vitamins in them to compensate for our malabsorption. And I can't imagine that the prescription versions of the fat soluble vitamins have been somehow reformulated just for us. There aren't enough of us for this to make financial sense for the companies that manufacture these vitamins.
Diet advice - I guess you could follow the RNY diet, but WHY? I think some doctors, including bariatric surgeons, are so dedicated to the concept of low fat that they can't or won't grasp that for someone with the DS, fat isn't a bad thing. Carbs yes. Fat no.
In spite of all this, I would not tell people not to go to this surgeon. He is just one of many DS surgeons that passes out this advice. If we ruled out every surgeon with this advice there would be almost no DS surgeons left. From everything I've heard about him he's technically a good surgeon and a valuable resource for his part of the country. So please don't ignore the GOOD advice you get here on vitamins and protein, and you should be fine.
And really, I wish doctors, and not just bariatric surgeons, wouldn't sell products. That isn't the function of a doctor and IMHO could potentially bias the advice given to patients. The worst offenders are mostly plastic surgeons and dermatologists, with all sorts of "esthetic" products, but apparently some surgeons also get in on the business. Sad.