Doctor's Best Natural Vitamin K2 MK7 Supplement

Our verdict

Doctor's Best Natural Vitamin K2 MK7 Supplement works out to $0.16 per serving of vitamin k2, at 45mcg per serving in capsule form. That puts it around the median of the 45 vitamin k2 products we can price per dose, where the typical serving costs $0.12, a Value Index of 0.8 where the median product is 1.0. One container lasts 180 days at the label dose of 1 serving a day, about $4.67 a month. We could not verify a third-party certification for Doctor's BEST in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.