KAL D3 K2 ActivMelt Red Raspberry (1,000 IU / 45 mcg MK-7) — 60 Micro Tablets
Give your body the dynamic duo it needs for strong bones, healthy arteries, and everyday immune defense. KAL D3 K2 ActivMelt delivers the gold standard of fat-soluble vitamin synergy in a micro-tablet that melts on your tongue in seconds—no water, no hard pills to swallow, and no chalky aftertaste.
✓Targeted Delivery: Directs calcium straight to bones and teeth.
✓Arterial Defense: Keeps calcium from building up in arteries and soft tissue.
✓ActivMelt Instant Dissolve: Melts rapidly with natural raspberry sweetness.
✓Sustained MK-7 Form: Bioactive menaquinone-7 stays active in your system for days.
The "Calcium Traffic Cop": Why Vitamin D3 Needs Vitamin K2
Most people know that Vitamin D3 (Cholecalciferol) is crucial for calcium absorption. However, taking Vitamin D3 alone only solves half the puzzle. Think of Vitamin D3 as the calcium doorman: it opens the doors in your gut so calcium can flood into your bloodstream. But once that calcium enters your bloodstream, where does it go?
That is where Vitamin K2 (as Menaquinone-7 / MK-7) steps in as your body's calcium traffic cop. Without Vitamin K2, circulating calcium can wander into the wrong neighborhoods—such as your artery walls, joints, and kidneys—leading to unwanted calcification and arterial stiffness.
Vitamin D3 pulls calcium into your body. Vitamin K2 tells it exactly where to park: locked securely inside bone tissue and out of your blood vessels.
The Biological Two-Step
Activating Osteocalcin (Bone Hardener): Vitamin D3 prompts your osteoblast cells to create a protein called osteocalcin. Vitamin K2 comes behind it to "turn on" (carboxylate) osteocalcin, which actively binds calcium directly into the skeletal matrix.
Powering Matrix Gla Protein (Artery Protector): Vitamin K2 activates Matrix Gla Protein (MGP), the strongest known natural defense against arterial calcification. MGP sweeps calcium out of soft tissue and blood vessels, keeping arteries elastic and flexible.
What the Clinical Science Demonstrates
This pairing is not just theory; it is confirmed by major long-term peer-reviewed human trials:
The Rotterdam Heart Study (4,800+ Participants):
A pivotal multi-year population study found that individuals with the highest dietary intake of menaquinone (Vitamin K2) experienced a 50% reduction in arterial calcification and cardiovascular mortality compared to those with low intake. Notably, Vitamin K1 showed no such protective effect on cardiovascular tissue.
Citation: Geleijnse, J. M., et al. (2004). Dietary Intake of Menaquinone Is Associated with a Reduced Risk of Coronary Heart Disease: The Rotterdam Study. The Journal of Nutrition, 134(11), 3100–3105.3-Year Bone Mineral Density Study:
A clinical trial published in Osteoporosis International followed 244 healthy postmenopausal women over three years and discovered that daily low-dose MK-7 supplementation significantly prevented bone mineral loss at the lumbar spine and femoral neck, while substantially enhancing overall bone strength indices.
Citation: Knapen, M. H., et al. (2013). Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women. Osteoporosis International, 24(9), 2499–2507.MK-7 vs. MK-4 & K1 Bioavailability:
Comparative research published in Blood confirmed that natural Menaquinone-7 exhibits an extended half-life of roughly 72 hours in human serum—remaining active in the bloodstream up to 8 times longer than synthetic Vitamin K1 or short-chain MK-4. This long window ensures round-the-clock bone and vessel activation from a single micro-tablet.
Citation: Schurgers, L. J., et al. (2007). Vitamin K-containing dietary supplements: comparison of synthetic vitamin K1 and natto-derived menaquinone-7. Blood, 109(8), 3279–3283.
Why KAL ActivMelt Instant Dissolve Micro Tablets Are Superior
Taking supplements should be convenient and comfortable. Swallowing huge, chalky horse pills or sticky horse-dose capsules is often difficult, especially for seniors, kids, or anyone experiencing pill fatigue.
Effortless Micro Size: Tiny tablet placed on or under the tongue dissolves within seconds.
Oral Mucosal Absorption: Pre-gastric dissolution begins immediately in the mouth, bypassing aggressive stomach acids and heavy digestive breakdown.
Naturally Flavored: Pure red raspberry taste sweetened with plant-derived stevia leaf extract and zero artificial sugars.
Take It Anywhere: No glass of water required. Keep it at your desk, bedside table, or in your gym bag.
Other Ingredients: Mannitol Starch Complex (from non-GMO corn), Cellulose, Polysaccharides (non-GMO soy), Natural Raspberry Flavor with other natural flavors, Maltodextrin, Silica, Sorbitol, Magnesium Stearate, Citric Acid, Malic Acid, Stevia (leaf extract).
Suggested Use: Dissolve one (1) ActivMelt micro tablet on or under your tongue daily. Use only as directed. Store tightly closed in a cool, dry place away from direct sunlight.
Important Safety & Medical Guidance
Prescription Blood Thinners (Anticoagulants): Vitamin K plays a direct biochemical role in normal blood clotting. If you are taking prescription blood thinners like Warfarin (Coumadin) or other anticoagulant medications, you must consult your physician before taking any Vitamin K product, as it can counteract these medications.
General Precautions: Keep out of reach of children. Do not use if the safety seal is broken or missing. If you have hypercalcemia, kidney disease, or are pregnant or nursing, speak with your healthcare provider prior to supplementation.
Frequently Asked Questions (FAQ)
1. Why should I take Vitamin D3 together with Vitamin K2 instead of just Vitamin D?
Vitamin D3 pulls calcium from your diet into your bloodstream. However, Vitamin D3 does not direct where that calcium ends up. Without Vitamin K2 to activate binding proteins (like osteocalcin), calcium can deposit into your artery walls, joints, or kidneys. Taking D3 and K2 together ensures calcium is absorbed and safely transported into your bones.
2. How do I take KAL D3 K2 ActivMelt micro tablets? Do I have to chew or swallow them?
You do not need to swallow or chew them! Simply place one micro tablet on your tongue or under your tongue and let it dissolve naturally. It will melt away within seconds with a pleasant red raspberry taste. You do not need water.
3. Why does KAL use Menaquinone-7 (MK-7) instead of Vitamin K1 or MK-4?
Vitamin K1 is used almost exclusively by the liver for blood coagulation. Vitamin K2 MK-4 has a very short half-life (only a few hours) requiring large doses multiple times a day. MK-7 is naturally derived and has a half-life of up to 72 hours, meaning it circulates through your arteries and bone tissues around the clock with just one daily micro tablet.
4. When is the best time of day to take this supplement?
Because Vitamins D3 and K2 are fat-soluble vitamins, taking your daily ActivMelt tablet during or right after a meal that contains healthy dietary fats (such as eggs, avocado, olive oil, or yogurt) will help maximize natural absorption.
5. Can I take KAL D3 K2 if I am on blood thinners like Warfarin?
No, not without express approval from your doctor. Vitamin K directly promotes normal blood clotting and can counteract blood-thinning medications like Warfarin (Coumadin). Always speak to your prescribing physician before adding any Vitamin K supplement to your daily routine.
