Should "Daily Vitamins" be Rule #5?

Earlier this year we concluded our four-part Weekly Digest series refresher course of the weight loss surgery Four Rules. You know them by heart: Protein First; Lots of Water; No Snacking; Daily Exercise. I have long wondered, as many of you have, why taking our vitamin supplements is not part of the near-sacred list that is used almost universally by bariatric centers around the world. After all