NOT KNOWN FACTS ABOUT K2 SPICE POWDER

I have lately started out supplementig K2 (from natto) And that i get menstrual-like cramps (even in the course of a cycle) due to the fact the main day of doing so. I don’t get any cramps if I skip using vit K2. Shall I prevent getting the supplemnt?No matter, the vitamin K in butter is generally K1 whose origin is grass and MK-4 whose origin is