Coffee extract refers to a concentrated liquid made by extracting the flavor, aroma, and compounds from coffee beans. It is a strong, condensed form of coffee that can be used to add the taste of coffee to various foods and beverages.
Not enough is known about the safety of green coffee extract supplements during pregnancy and breastfeeding, so women in these periods should avoid them [1]. (nutrientsreview.com)
And using a small amount of coffee extract in your best holiday chocolate recipes truly enhances the chocolate flavor — don't worry, you can't taste the coffee. (lowcarbmaven.com)
I also don't know about buying espresso powder but I may have to track some down... or use coffee extract instead. (alittlerosemaryandtime.com)