Portion Perfection is owned by Dietitian Amanda Clark, so you know you're getting quality advice and products. Amanda is the author and creator of Portion Perfection - a set of tools that make losing weight easier. There is also a version for those who have had bariatric surgery including gastric bypass, sleeve gastrectomy or lapband. Amanda is also the content director of the podcast series Beyond Bariatric Surgery - everything you need to move on. We stock selected bariatric vitamins including BN Multi and Protein supplements.