Free tool
Can I eat this with Levothyroxine?
Levothyroxine absorption is easily blocked by food — especially calcium, iron, soya, and coffee. Timing is everything.
Type any food below for an instant verdict — we track 9 foods for Levothyroxine (0 to avoid, 7 needing caution) — or browse the full list.
1 · Your medication
Levothyroxine (thyroxine, synthroid, eltroxin, thyroid medication) — Levothyroxine absorption is easily blocked by food — especially calcium, iron, soya, and coffee. Timing is everything.
Take on an empty stomach with water, 30-60 minutes before breakfast and coffee. Keep calcium, iron, and soya at least 4 hours away from your dose. Nothing here is banned — it is all about the gap.
Read the full Levothyroxine guide →2 · The food you're wondering about
Get the full levothyroxine food guide by email
The complete levothyroxine list — safe swaps, portion notes, and the freshness rules that matter — plus first access to the FreshPlate app, which checks every recipe against your medications automatically.
Free forever. Unsubscribe any time.
This checker summarises widely published UK guidance (NHS, patient information leaflets, standard prescribing references) for general information only. It is not medical advice, it is not exhaustive, and it cannot account for your dose, kidney function, other medicines, or health conditions. Always follow your prescriber, pharmacist, or the patient information leaflet — especially before changing what you eat or drink. See our editorial policy.
Want the complete picture — meal ideas, timing, and the science? Read the full Levothyroxine food guide, or check a different medication on the main checker.