For directing calcium into your bones and away from your arteries, this delivers 100mcg of **Vitamin K2** in the MK-7 form — the version with a long half-life (~96 hours) that stays active in your body far longer than MK-4. At 100mcg, you're squarely within the 90–200mcg clinical range studied for bone and cardiovascular health.

The MK-7 is sourced from natto (fermented soybean), which is the most common and well-researched origin for this form. One capsule daily with a meal is all you need, and 120 capsules gives you a four-month supply — solid value for consistent use.

If you're taking blood thinners like warfarin, vitamin K2 directly affects clotting factors and you should consult your healthcare provider before using this product. For everyone else, this is a well-dosed, single-purpose K2 supplement that pairs naturally with vitamin D3.

BioStacks
Promise

Vitamin K2 MK-7, 120 Veggie Caps

Capsule · 120 servings

91 / 100Excellent

Score Breakdown

Formulation
91
Safety
100
Final score
91/100

Ingredients (1)

Vitamin K2100 mcg

Within effective range · Premium form

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

2Safe

HypromelloseCapsule

Safe

Microcrystalline CelluloseBinder

Safe

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.