Obesity Surgery

, Volume 28, Issue 4, pp 1140–1141 | Cite as

Reply to: “Letter to the Editor for the Manuscript the complex interplay of physical fitness, protein intake and vitamin D supplementation after bariatric surgery”

  • Sjaak Pouwels
  • Hendrika J. M. Smelt
  • Alper Celik
  • Adarsh Gupta
  • Johannes F. Smulders
Letter to the Editor


Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval Statement

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed Consent Statement

Does not apply.


  1. 1.
    Seyfried S, Hasenberg T, Otto M. Letter to the Editor for the manuscript the complex interplay of physical fitness, protein intake and vitamin D supplementation after bariatric surgery. Obes Surg. 2017;27(11):3010. Scholar
  2. 2.
    Frame-Peterson LA, Megill RD, Carobrese S, et al. Nutrient deficiencies are common prior to bariatric surgery. Nutr Clin Pract. 2017;32(4):463–9. Scholar
  3. 3.
    Smelt HJ, Pouwels S, Said M, et al. Comparison between different intramuscular vitamin B12 supplementation regimes: a retrospective matched cohort study. Obes Surg. 2016;26(12):2873–9. Scholar
  4. 4.
    Smelt HJ, Pouwels S, Smulders JF. Different supplementation regimes to treat perioperative vitamin B12 deficiencies in bariatric surgery: a systematic review. Obes Surg. 2017;27(1):254–62. Scholar
  5. 5.
    Heber D, Greenway FL, Kaplan LM, et al. Endocrine and nutritional management of the post-bariatric surgery patient: an Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2010;95(11):4823–43. Scholar
  6. 6.
    Mechanick JI, Youdim A, Jones DB, et al. Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient—2013 update: cosponsored by American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery. Obesity (Silver Spring, Md). 2013;21(Suppl 1):S1–27.CrossRefGoogle Scholar
  7. 7.
    Bazuin I, Pouwels S, Houterman S, et al. Improved and more effective algorithms to screen for nutrient deficiencies after bariatric surgery. Eur J Clin Nutr. 2017;71(2):198–202. Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of SurgeryFranciscus Gasthuis & VlietlandSchiedamThe Netherlands
  2. 2.Department of SurgeryCatharina HospitalEindhovenThe Netherlands
  3. 3.Obesity CenterCatharina HospitalEindhovenThe Netherlands
  4. 4.Metabolic Surgery ClinicIstanbulTurkey
  5. 5.Center for Medical Weight Loss & Metabolic ControlRowan UniversityStratfordUSA

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