Breastfeeding: Are changes in color of your milk normal?

I have noticed that when I pump my breasts after I have taken my multivitamin, the milk tends to be quite yellow, almost greenish in hue. When I pump at other times my milk is very white. Isthis green milk safe?

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Debbi Donovan

Debbi Donovan is a Board Certified Lactation Consultant, as well as a retired La Leche League Leader. For more than a decade, Debbi... Read more

It is not unusual for breast milk to take on a greenish (or other) color.

Changes in milk color are usually related to diet, or medications you are taking. Vitamins or supplements that contain kelp or other forms of seaweed have been reported to cause green milk. Even green Gatorade can tint milk green.

In this case, the color seems to be connected to the vitamin you're taking and is nothing to worry about.

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