Fruit, flowers, leaves and seeds of the tree are used.It contains essential oil (limonene), flavonoids (naringin), citric acid and various sympathomimetic agents (synephrine, tyramine and methyl octopamine) that behave as adrenergic agonists. They are similar to the pseudoefedrina (see specific info) which can decrease milk production.Attributed properties without clinical evidence are: orexigenic (appetite stimulant), digestive, sedative and to lose weight. Since some products are sold with slimming purposes due to its content of synephrine, moderate use is recommended overall and during lactation because they have caused serious adverse cardiovascular effects. Avoid consumption of products that provide more than 30 mg of synephrine as well as mixtures with caffeine (like some for colds) and other medications that would contain derivatives of pseudoephedrine. Ascorbic acid contained in citrus products passes through breast milk and would increase the levels of ascorbic acid in breast milk, especially in women deficient in ascorbic acid.