They sell worldwide, often retailing for more than $2.50 per two-ounce bag: Lactation cookies, which manufacturers purport to increase milk in people who breastfeed. Many claim they work—but what does the science say?
They sell worldwide, often retailing for more than $2.50 per two-ounce bag: Lactation cookies, which manufacturers purport to increase milk in people who breastfeed. Many claim they work—but what does the science say?
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