Found a great lactating red date tea recipe which works!
Red Dates 红枣 : 90gm
Black Dates 黑枣 : 60gm
Dangshen 党参 : 30gm
Dried Longan flesh 龙眼肉 : 30gm
Wolfberry 枸杞子 : 20gm
Astragalus 北耆 : 10gm
Rice Paper Pith 通草 :6gm
1. Remove seeds from red and black dates. Rinse dates.
2. Rinse dangshen in water to remove dirt.
3. Give wolfberry, rice paper pith and astragalus a quick rinse.
4. Put everything into a pot together with 4L of water. Bring to a boil and simmer for at least 2 hours.
5. Consume this throughout the day.
Taken from: http://wendyinkk.blogspot.sg/2011/05/lactating-red-date-tea.html?m=1