"This was the first time someone showed me what was happening and what to do about it. "
Practitioner grade
Practitioner only
Vitamin K2 (MK-7)
High potency vitamin K2 for heart and bone calcium balance
K2 Supreme provides a high-potency MK-7 dose, the most bioavailable, longest-lasting vitamin K2 form, for arterial calcium protection, bone mineralisation and cardiovascular health.
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Practitioner consult session
A 15-minute consultation. An email link will be included in your order confirmation to make the booking.
Optional 1:1 with our clinical team · $49
TGA-listed AUST L
Practitioner-grade formula
Clinician-reviewed before dispatch
Ships in 2 business days
What's in it
Each ingredient is in its most bioavailable form, at a clinically meaningful dose. No fillers, no token amounts, no marketing-led blends.
Capsule
Vitamin K2 (MK-7)
Directs calcium to bone and teeth rather than soft tissue. Essential synergy partner to vitamin D.
Typically 90 to 180mcg
Always read the label and follow directions for use. Vitamins and minerals can only be of assistance if dietary intake is inadequate. If symptoms persist, consult a healthcare professional.
How to take it
Simple to take, with a few timing notes that make a real difference to absorption.
As directed. Take with a fat-containing meal, fat-soluble.
Vitamin K2 interacts with warfarin, do not take without medical supervision if on anticoagulants. Dietary supplements should not replace a balanced diet.
Real people. Real impact.
Patients following practitioner-designed protocols, sharing their outcomes in their own words.
"My ferritin had been low-normal for three years. The protocol made a real difference within six weeks."
"Someone finally put all the pieces together. Clear, specific and actually useful."
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Part of the Energy & Fatigue hub. Explore all protocols, supplements and investigations.
Back to Energy & Fatigue →Frequently asked.
Common questions about how OptiLabs works: testing, supplements, clinician review, returns and timing.
Are the supplements safe?
All carry an AUST L designation from the TGA. Every order is reviewed by a clinician before dispatch.
Do I need a referral?
No. All tests are available to order directly. Our lab partner is NATA and RCPA accredited, operating as a direct-access pathology service.
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Personalised health. Clinical rigour. Delivered to you.
A proper investigation into what's driving your symptoms, with a protocol built around your results, not a generic recommendation.