Flaxseed oil supplementation boosts levels of some omega-3 fatty acids but not DHA in lactating women.
“A recent study found that supplementing the diets of lactating women with flaxseed oil altered the levels of some omega-3 fatty acids in breast milk, plasma, and red blood cells but not DHA. The study involved seven lactating women who consumed 20 grams of flaxseed oil daily for four weeks.”