most helpful answer black green and oolong tea contain tannins that bind to iron and decrease its absorption. herbal teas can have tannins too but it varies from tea to tea (darker teas have more). to play it safe do not drink tea right after or before taking your iron pill. for example if you have tea in the morning stop a couple hours before lunch and take your pill after eating or wait until the afternoon.
will drinking herbal tea negatively affect my taking iron pills? . will drinking herbal tea negatively affect my taking iron pills?