In borderline cases, methylmalonic acid or homocysteine levels may be tested
Increased risk of diarrhea-predominant irritable bowel syndrome (IBS-D) Increased insulin resistance and glucose intolerance, contributing to elevated blood glucose Poor wound healing, altered taste and smell, and changes in cognitive function, particularly in older adults How common is zinc deficiency
Vitamin B12 is a water-soluble vitamin and is essential for the proper function of the brain, nervous system, and the formation of red blood cells
Search terms like "vitamin B12 GLP-1 agonist," "cyanocobalamin absorption gastric emptying," and "B12 deficiency obesity surgery" yield relevant papers
Standard Weekly Protocols Most adults get 1000 mcg (1 mg) of Vitamin B12 weekly