Supplement × Supplement·timing-sensitive·Insufficient evidence
Marshmallow root mucilage can reduce reliable iron absorption when taken together.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
What is happening. Marshmallow root mucilage can reduce reliable iron absorption when taken together.
Mechanism. Gel-forming mucilage can physically interfere with mineral absorption.
Recommendation. Separate by at least 2 hours when using iron for deficiency.
Space the doses apart by at least this window to avoid the conflict.
Effect on the composite score
If both Iron and Marshmallow Root are in the same stack, this pair applies −5 to your Stack Score (per scored timing-sensitive row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
Every claim on this page is cited. PMIDs link straight to PubMed.
Check your full routine
Drop your supplements and prescriptions into NutriStack and it runs every pair at once: every interaction, synergy, timing rule, and contraindication, each linked to its primary source.
NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.
NutriStack