Welcome to the FitForMe Research page. On this page we offer you publications of studies conducted in collaboration with FitForMe, as well as external studies that are relevant for professionals in bariatrics.
With ≥15% weight loss from AOMs like semaglutide and tirzepatide, nutritional guidance is critical. Almandoz et al. (2024) provide practical recommendations on protein intake, micronutrient monitoring, and individualized care—helping clinicians…
GLP-1 and GIP/GLP-1 therapies reduce calorie intake—but Christensen et al. (2024) show we know little about diet quality, protein intake, or micronutrient risks. With use rising, tailored nutritional support is…
Even with high caloric intake, people with overweight or obesity often face silent micronutrient deficiencies—impacting metabolism, cognition, and long-term weight outcomes. This review by Astrup & Bügel (2017) underscores the…
Why is vitamin supplementation key after bariatric surgery? What challenges face patients and how can you help as a healthcare professional? Learn more.
What is the effect of optimized multivitamin supplementation for sleeve gastrectomy patients? Discover the new results of the VITAAL studies here.
What happens in nutritional status of women taking WLS multivitamins or standard multivitamins when pregnant after Sleeve Gastrectomy? Read on to learn more.
Learn more about the mid-term outcomes of the SADI-S procedure, including nutritional, bariatric, and metabolic results.
Are specialized multivitamin supplements for Sleeve Gastrectomy patients more effective than standard MVS at preventing deficiencies?
How can you ensure your bariatric patients take their supplements? This study identifies which factors can influence patient adherence.
What is the ideal biliopancreatic limb length for weight loss, comorbidities and deficiencies after a Mini Gastric Bypass?
What is the most effective mode of iron supplementation for both prevention and treatment of iron deficiency for patients after bariatric surgery?
This study addressed the positive and negative results of the BPD, including nutritional deficiency risk after a BPD for 3 years after surgery.
The comparison of micronutrient deficiency prevalence for bariatric patients after a Gastric Sleeve versus Roux-en-Y Gastric Bypass patients.
Iodine absorption after bariatric surgery Iodine absorption after bariatric surgery Iodine absorption is not affected by bariatric surgery Bariatric surgery is often accompanied by malnutrition of several vitamins, minerals and…
Heusschen et al. found a relatively high deficiency prevalence for Gastric Sleeve patients, regardless of which type of food supplement was used. Usage of WLS Optimum resulted in higher serum…
Smelt et al. found higher mean serum concentrations of ferritin, folic acid, vitamin B1 and vitamin D and less deficiencies in vitamin B12, ferritin, folic acid and vitamin B1 in…
This study examines the effect of the timing of pregnancy after bariatric surgery on neonatal complications, gestational weight and nutritional status.
The need for nutritional screening after a Gastric Sleeve was assessed through the long-term nutritional status of Gastric Sleeve patients over 5 years.
RYGB patients benefit from specialised multivitamins RYGB patients benefit from specialized multivitamins RYGB patients benefit from specialized bariatric multivitamins After a Roux-en-Y gastric bypass (RYGB), patients are advised to take…
The choice of approach to prevent iron deficiency after RYGB
Long-term deficiency prevention after RYGB Long-term deficiency prevention after RYGB A high compliance rate for regular supplements does not prevent long-term nutritional deficiencies in RYGB patients Lots of studies have…
This study compared vitamin B12 supplementation methods, to see if oral supplementation could be used as an alternative to intramuscular injections.
Iron and calcium supplementation after Roux-en-Y Gastric Bypass Iron and calcium supplementation after Roux-en-Y Gastric Bypass Nutritional supplements containing both iron and calcium prevent deficiencies after Roux-en-Y Gastric Bypass and…
Long-term effect of WLS Forte for RYGB patients Long -term effect of WLS Forte for RYGB patients A safe and effective multivitamin supplement for RYGB patients. After a Roux-en-Y Gastric…
Efficacy of WLS Forte after a Roux-en-Y Gastric Bypass Efficacy of WLS Forte after a Roux-en-Y Gastric Bypass A customized multivitamin supplement lowers postoperative deficiencies after a Roux-en-Y Gastric Bypass.…
Long-term outcomes after Biliopancreatic Diversion Long-term outcomes after Biliopancreatic Diversion The long-term outcomes after a Biliopancreatic Diversion. A Biliopancreatic Diversion without (BPD) or with Duodenal Switch (BPD/DS) is performed relatively…
Safety and efficacy of Biliopancreatic Diversion Safety and efficacy of Biliopancreatic Diversion Biliopancreatic Diversion with Duodenal Switch is safe and effective in treating obesity in the long term. Worldwide use…
Vitamin D supplementation and bone density Vitamin D supplementation and bone density High-dose vitamin D supplementation can improve bone density loss after a One-Anastomosis Gastric Bypass. Although bariatric surgery effectively…
Vitamin D deficiencies are common after a Gastric Sleeve, despite supplementation. This study shows the deficiency prevalence 2 to 5 years after surgery.
Nutritional deficiencies before and after Sleeve Gastrectomy Nutritional deficiencies after Sleeve Gastrectomy Nutritional deficiencies are common in obese patients before and 5 years after a Sleeve Gastrectomy. The Sleeve Gastrectomy…
The Single Anastomosis Duodeno-Ileal Switch (SADIS) is seen as a promising alternative procedure for weight loss and comorbidity resolution.
The financial advantage of tailored supplements after RYGB The financial advantage of tailored supplements after RYGB The financial advantages of tailored food supplements after RYGB. Since vitamin and mineral deficiencies…
Supplementation after a Biliopancreatic Diversion Supplementation after Biliopancreatic Diversion Supplementation recommendations for patients after a Biliopancreatic Diversion with or without Duodenal Switch. Within 3 years after a Biliopancreatic Diversion (BPD)…
Nutritional risks after Sleeve Gastrectomy Nutritional risks after Sleeve Gastrectomy Nutritional risks after laparoscopic Sleeve Gastrectomy The Sleeve Gastrectomy (SG) has become the number one performed bariatric procedure worldwide. Although…