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Question:
Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?

Answer:
Weight loss surgeries such as gastric bypass, gastric sleeve, and gastric band procedures, reduce the amount of food and liquid a person comfortably digest in one sitting, leading to smaller meals and potentially, inadequate nutrient intake. Gastric bypass (re-routing around the stomach) and gastric sleeve surgery (removing a portion of the stomach) also reduce stomach acid and normal digestive action, leading to reduced absorption of various vitamins and minerals. The use of supplemental vitamins and minerals is recommended for gastric bypass and gastric sleeve patients, and sometimes for gastric band patients. However, for bypass and sleeve patients, the changes in digestion and nutrient absorption also mean that some supplements may not be tolerated or absorbed as well as others. For details about supplements to take or avoid, see the full answer >>


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Linda15285   July 10, 2017
I had gastric bypass surgery in 2005. My Dr. gave me this advice: Multi vitimins will NOT give you the amounts of what you need and will give you vitamins that you DON'T need. Your best bet is to get a total blood workup and take what you need.
He also said to try to take them in the liquid or chewable form so they will be digested to the full capacity.
I've told my PCP and 2 rhumatologists this and each one said "This is a smart man"
i get my blood work every 2 years and am taking IRON, VITIMIN D3, CALCUIM and B12.

Gretchen15221   June 28, 2017
2 years ago had surgery to remove 87 percent of my stomach along with creating 2 exits from stomach This was result of 25 yr old surgery on my stomach to remove ulcerative areas and a created a fold which was customary at the time Took Forteo for 2 years and had great success on osteopenia Recent surgery shows a dramatic deterioration to osteoporosis even tho I can check mark all your suggestions. Any addt'l thoughts would be so appreciated Nothing broken yet but I'm cautious

ConsumerLab.com   June 28, 2017
Hi Gretchen - Please see the CL Answer about supplements for osteoporosis https://www.consumerlab.com/answers/_/osteoporosis/, and be sure you are getting adequate vitamin D to help reduce the risk of fractures and falls. Safe, weight bearing exercise may also be helpful if your doctor approves.

Patricia14065   May 30, 2017
Had gastric bypass in 2004. I was aware of the need to take Multi-Vitamin & B-12 supplement at that time. Have taken calcium since 1998. Am now 65 with osteoporosis which has gotten worse after 2 years on Risperodonate Sodium. Broke Humeress 2 yrs. ago after a fall from a bike. Broke my foot 2 months ago after falling in the house. I too am afraid of any future falls and the bones in my hips are deteriorating rapidly. Am now learning about a lot of the risks of bypass and the need for supplementation. Assumed I was doing well until now. Please talk to Doctor about all the necessary supplements you should be taking but check it out on your own because a lot of Doctors' are unaware of the needs of the post-bypass patient.

Allison11330   October 10, 2016
Please, please, PLEASE make sure your calcium levels are WELL within normal ranges yearly. Mine were chronically low but borderline. I had a duodenal switch done in 2004. Good news: lost just over 300 lbs, kept it off, and in fact now have to keep eating constantly to keep any weight on. (From 434 to 105, at 5'7". ) Doc never said anything concerning chronically low overall values. In the last 24 months I've broken left femur, then broke right tib-fib DURING rehab. Six months later, broke left tib-fib and then right femur 4 months later. I did not fall or jostle or hit or do anything unusual. I am now 64, and darned paranoid about busting another bone. Don't need a pity-party....but please take care of your own bones. You can't reverse it. I've also now lost 4 teeth due to bone deterioration of the jaw...thety are all loose now (implants are foolish; the'll just fall out again...I danced professionally for 30 years, and it pisses me off that I'm no longer able to do physical stuff any more. Sigh. (Still looking *down* at the daisies, however!)

This CL Answer initially posted on 9/8/2013. Last updated 8/8/2017.

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