In this cluster-randomized , community-based trial conducted in rural areas of Bangladesh , 136 children aged 12 to 24 months with mild to moderate anemia ( hemoglobin 70-109 g/L ) were randomly allocated to receive Sprinkles daily ( 12.5 mg of elemental iron , n = 79 ) or once weekly ( 30 mg of elemental iron , n = 73 ) for 8 weeks .