EllieMDs website does say that most prescriptions and supplements may qualify for HSA/FSA, but they also encourage customers to confirm eligibility with their plan administrator prior to checkout
During the review process, manuscripts that exhibited poor study design, lack of clearly defined eligibility criteria, irrelevant definition of exposures, contrasts, and outcomes, outdated studies, inconsequential characteristics of study participants, inadequate reporting of results, or a plurality of the study group were excluded
Approximately 5-10% estimates from chronic pancreatitis cohorts and post-pancreatectomy series, and over 70-80% high misclassification rates have been reported from European registry-based and tertiary care studies
Detailed equations for these methods are provided in Table S5
This can be particularly helpful if you experience nutrient deficiencies or dehydration due to changes in digestion after surgery