The Supplemental Nursing System (SNS) by Medela and
Lact-Aid allow you to feed formula through a tube while you breastfeed.
I have only used the SNS, and found it frustrating, although other mothers love it. This article by an adoptive mom compares the two and speaks highly of the Lact-Aid.
is the top prescription drug recommended in Canada for increasing breastmilk.
In the U.S. it is only available at compounding pharmacies (find one near you using this
Goat's Rue is thought to increase glandular tissue.