The seeds, bark and leaves are used. It contains Aescin and esculin (see specific info), with a vasoprotector effect and devoid of toxicity at normal doses. At latest update no published data on excretion into breast milk was found. Side effects are rare and mild.The Commission E of German Ministry of Health does not contraindicate the use of seed extract during infancy. Given its lack of toxicity at normal doses, a moderate consumption during lactation would pose a very low risk. For topical preparations, do not apply it on the chest or thoroughly clean it up before breastfeeding. See below the information of these related products: