I have. I honestly can’t say if it worked or not. I made enough to feed mine but never really enough to pump and have much of a stash.
It makes you smell like maple syrup LOL and you have to watch out it could make the baby real gassy.
I've been eating homemade cookies with flaxseed and oats. I feel like my supply has increased. Sometimes I'll put flaxseed in other things like smoothies or mac n cheese because it has virtually no taste.