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Interaction Checker

Check interactions

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.

Organic Chocolate Protein

Add more (1/12)

Caution

5 · Combine carefully — read the note
Caution
CalciumSeparate from thyroid meds

Calcium: Separate from thyroid meds

Known interaction
Caution
CalciumAntibiotics

Calcium: Antibiotics

Known interaction
Caution
IronSeparate from thyroid meds

Iron: Separate from thyroid meds

Known interaction
Caution
IronAntacids reduce absorption

Iron: Antacids reduce absorption

Known interaction
Caution

Calcium: Iron (separate by 2h)

Stacking note

Monitor / Timing

2 · Usually fine — mind timing or watch for effects
Monitor / Timing
CalciumCertain antibiotics / thyroid / bone drugs

Calcium can bind these drugs and reduce their absorption.

Why: Cation chelation in the gut.

Separate calcium from these medications by 2–4 hours.

Curated
Monitor / Timing
IronThyroid / certain antibiotics / Parkinson's drugs

Iron can bind these drugs and reduce their absorption.

Why: Cation chelation in the gut.

Separate iron from these medications by 2–4 hours.

Curated
Not medical advice. This tool surfaces well-established and known interactions from our reference data and curated rules. It is not exhaustive, can’t see your full health picture, and an absence of findings does not mean a combination is safe. Always consult a doctor or pharmacist about your supplements and medications.