Active Dry yeast is a different thing. Brewers Yeast is also called nutritional yeast and is available at health food stores, whole foods, and I would imagine at places like Super Supplements.
I actually found Brewer's Yeast at my local safeway. I recommend the tasteless version. Really easy to add to other things as well. I put it in my oatmeal in the morning.
Re: Lactation Cookies ??
Thanks!! I'll have to hunt down Brewer's Yeast today.
Here's the recipe...
https://www.epicurious.com/recipes/member/views/LACTATION-COOKIES-1252680