The product I take is Klaire Labs SFI Health Ultra Vitamin K2 Menaquinone 4, 90 Capsules.
Here is the Amazon description though you can probably find it other places as well.
https://tinyurl.com/579fr45h
If you take one 15 mg capsule a day, it would last about 3 months. But if you follow the Japanese recommendations, this only lasts one month.