The contribution of plant foods to the vitamin A supply of lactating women in Vietnam: a randomized controlled trial.

Background: More information is needed on the efficacy of carotenoids from plant foods in improving vitamin A status.

Objective: We aimed to quantify the efficacy of provitamin A-rich vegetables and fruit in improving vitamin A status.

Design: Breastfeeding women in 9 rural communes in Vietnam were randomly allocated to 1 of 4 groups: the vegetable group (n = 73), which ingested 5.