Multiple Micronutrient Supplementation (MMS) Iron Dose Acceptability Crossover Trial

Inclusion Criteria: * Attending first ANC visit at the study clinic * Pregnant women ≤ 15 weeks of gestation * Aged ≥ 18 years * Intending to stay in Dar es Salaam for the duration of study * Provides informed consent Exclusion Criteria: * Severe anemia (defined as Hb \<8.5 g/dL per Tanzania standard of care) * Sickle cell disease (SS,SC, CC genotype) as tested by HemoTypeSC * Concurrent participation in other nutritional supplementation trial * Pregnant women with disability or condition which would impair their ability to provide informed consent and complete study procedures.