promoting healthy milk supply before delivery

Ramsey
I was wondering if anyone knew whether or not it's was okay to start trying to increase your milk supply before you deliver. I've heard one too many stories about mamas not being able to breast feed and their milk not coming in until many days later forcing them to have to formula feed. I was considering trying some different lactation cookies and recipes to start now. I'm almost 37weeks. Already 3 almost 4 cm dilated and 50% effaced so just playing the waiting game now. 
Anyone ever tried any products from Milky Mama? 

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