Summary
This retrospective analysis of 461,382 adults newly prescribed GLP-1 receptor agonists (predominantly with type 2 diabetes) found that nutritional deficiencies were diagnosed in 12.7% of patients within 6 months and 22.4% within 12 months of treatment initiation, with vitamin D deficiency being the most prevalent. Patients who received a dietitian visit within the first 6 months had higher recorded rates of nutritional deficiency diagnoses, suggesting improved screening rather than increased actual deficiency. The findings underscore the importance of nutritional monitoring and dietitian involvement during GLP-1RA treatment to mitigate potential micronutrient depletion.
Regional applicability
This United States-based claims data study is directly relevant to United Kingdom clinical practice, as GLP-1 receptor agonists are increasingly prescribed within the NHS for weight management and glycaemic control in type 2 diabetes. The high prevalence of nutritional deficiencies observed suggests that UK clinicians should similarly implement nutritional screening and dietitian referral protocols alongside GLP-1RA treatment.
Key measures
Incidence of nutritional deficiency diagnoses at 6 and 12 months post-GLP-1RA initiation; vitamin D deficiency incidence; comparison of deficiency rates between patients with and without dietitian visits
Outcomes reported
The study quantified the incidence of nutritional deficiencies in adults prescribed GLP-1 receptor agonists, with particular attention to vitamin D deficiency and the role of dietitian involvement in detection.
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