Allen Institute for Artificial Intelligence
supp.ai logo
supp.ai

Discover Supplement-Drug Interactions

Disclaimer: The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The tool is not a substitute for the care provided… (more)
Last Updated: 2 years ago

Possible Interaction: Tannins and St John's Wort

supplement:

Tannins

supplement:

St John's Wort

Research Papers that Mention the Interaction

Also, the tannic acid present in St. John’s Wort may prevent absorption of iron, an important mineral for pregnant women and their babies.
Journal of primary health care  •  2009  |  View Paper
Also, the tannic acid present in St. John’s Wort may prevent absorption of iron, an important mineral for pregnant women and their babies.
American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists  •  1999  |  View Paper
Tannic acids present in some herbs (eg, St John wort and saw palmetto) may inhibit the absorption of iron.
Archives of internal medicine  •  1998  |  View Paper