Add your supplements, foods, meals — and any medications you take — to see how they interact. Findings are grouped by severity: what to avoid, what needs care or timing, and what actually works better together.
Choline (Various Forms): May interact with anticholinergics
Vitamin D: Glucocorticoids (reduced vitamin D effectiveness)
Vitamin D: Anticonvulsants like phenytoin (increased vitamin D metabolism)
Vitamin D: Orlistat (reduced fat-soluble vitamin absorption)
Vitamin B12 (Cobalamin): Metformin reduces absorption
Vitamin B12 (Cobalamin): PPIs reduce absorption
Iron can bind these drugs and reduce their absorption.
Why: Cation chelation in the gut.
→ Separate iron from these medications by 2–4 hours.
Folate pairs well with Vitamin B12 (Cobalamin).
Vitamin B12 (Cobalamin) pairs well with Iron.
