Supplement
Vitamin K2
A fat-soluble vitamin studied for helping direct calcium into bones rather than soft tissue, often paired with vitamin D3.
⤢📊 How it ranks (our editor score) — 58/100Tap to see the breakdown
🌱 What it is
Vitamin K2 (menaquinone) is found in fermented foods like natto, some cheeses, and egg yolks, and is available as a supplement, often combined with vitamin D3. It works differently from vitamin K1, the form more common in leafy greens.
📜 Where it comes from
Vitamin K2 was recognized as a distinct form of vitamin K by researchers studying fermented foods, particularly Japanese natto, a traditional fermented soybean dish eaten for centuries and later found to be unusually rich in this nutrient. Mid-to-late 20th century nutrition science distinguished K2 from the plant-based K1 and began studying its role in calcium metabolism. This research led to its modern pairing with vitamin D3 in supplements.
✨ Why it's good for you
- Studied for supporting bone mineral density alongside calcium and vitamin D
- Explored for supporting arterial flexibility as part of overall heart-healthy habits
- Works synergistically with vitamin D3 in several trials
- Naturally present in fermented foods
🙏 Begin with prayer
Prayer is the first remedy, not the last resort. Whether you are facing this yourself, caring for someone who is, or simply reading to understand — here is a simple prayer you are welcome to make your own, in your name or in theirs:
Great Physician, You knit my bones together and know their frame better than any of us do. Thank You for vitamin K2 and the ongoing research into how it may support bone health. I ask for Your wisdom as I use it, especially care and caution if it interacts with medicines I take. I place my bones, my strength, and my healing fully in Your hands. In Jesus' name, Amen.
“He keepeth all his bones: not one of them is broken.”— Psalm 34:20
🥄 How to use it
A common supplemental dose is 90-180 micrograms (as the MK-7 form) daily, taken with a meal containing some fat for better absorption. It's frequently sold combined with vitaminA natural substance your body needs in small amounts to stay healthy, like vitamin C or D. More → D3 in the same capsuleDried, powdered herb packed into a swallowable shell for a measured dose. How to make a capsule →.
How much: 90-180 mcg (MK-7 form) daily with a fat-containing meal... confirm with a doctor if on blood thinners.
Why it works: Vitamin K2 activates proteins that help escort calcium into bone matrix and away from artery walls, which is why it's studied alongside vitamin D for bone and cardiovascular support.
⚠️ Cautions
- Vitamin K2 can antagonize (work against) warfarin and other blood-thinning medications... anyone on blood thinners must talk to their doctor before using K2 and should not change intake without medical supervision.
- Bone density concerns, especially after a fracture or an osteoporosis diagnosis, need a doctor's care... this is a supportive nutrient, not a treatment.
- Not well studied in pregnancy at supplemental doses beyond food amounts... check with a doctor first.
- Choose reputable brands; MK-7 and MK-4 forms differ in dosing and how long they act.
📚 Learn more
🌿 Deeper natural detail
🩺 The conventional view
💬 Ask Remy about Vitamin K2
📚 Resource confidence
Based on mentions in health references
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