Assertion: iron's effect | /r/HasProperty | small
Facets:
value: in all three of these studies
type: LOCATION
Source sentences:
text: Absorption inhibition has been observed caused by phytates in bran,  calcium from supplements or dairy products,  and tannins from tea,  although in all three of these studies the effect was small and the authors of the studies cited regarding bran and tea note that the effect will probably only have a noticeable impact when most iron is obtained from vegetable sources.
text: calcium from supplements or dairy products, and tannins from tea, although in all three of these studies the effect was small and the authors of the studies cited regarding bran and tea note that the effect will probably only have a noticeable impact when most iron is obtained from vegetable sources.