( ( By ( combining ( herbs ( that ( are ( ( a source ) ( of ( ( natural iron ) ( with ( ( other elements ) ( needed ( to ( enhance absorption ) ) ) ) ) ) ) ) ) ) ) ) ) ( , ( ( ( a ( chelated form ) ) ( of iron ) ) ( ( is ( created ( which ( ( is ( more easily ) ) ( absorbed ( by ( the body ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN By) (S (VP (VBG combining) (NP (NP (NNS herbs)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (NP (NP (DT a) (NN source)) (PP (IN of) (NP (NP (JJ natural) (NN iron)) (PP (IN with) (NP (NP (JJ other) (NNS elements)) (VP (VBN needed) (S (VP (TO to) (VP (VB enhance) (NP (NN absorption)))))))))))))))))) (, ,) (NP (NP (DT a) (JJ chelated) (NN form)) (PP (IN of) (NP (NN iron)))) (VP (VBZ is) (VP (VBN created) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADVP (RBR more) (RB easily)) (VP (VBN absorbed) (PP (IN by) (NP (DT the) (NN body))))))))) (. .)))
By combining herbs that are a source of natural iron with other elements needed to enhance absorption, a chelated form of iron is created which is more easily absorbed by the body.
(ROOT (S (NP (JJ Reactive) (NNS elements)) (VP (VBP are) (ADJP (JJ able) (S (VP (TO to) (VP (VB combine) (ADVP (RBR more) (RB easily)) (PP (IN with) (NP (JJ other) (NNS elements)))))))) (. .)))