Does flax seeds or flax seed's oil help reduce menstruation cramps? what exactly is a flax seed?

are flax seeds available easily in india? i read an article which stated that flax seeds are useful in reducing menstrual cramps. i want to know how it looks so that i can identify them.Does flax seeds or flax seed's oil help reduce menstruation cramps? what exactly is a flax seed?
yes it does. Mostly it's used for cardiovascular health. It's available in form of pills in almost all stores.

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