Kasivit Bone & Heart Support Vitamin K2 + D3 Supplements in white bottle for cardiovascular health
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Kasivit

Kasivit Bone and Heart Support Vitamin D3 Supplements

Vitamin D3 2000 IU + Vitamin K2 (MK-7) 100mcg — the evidence-backed pairing for bone density, cardiovascular health, and immune support. Most adults are D-insufficient without supplementation.

💊Take 1 capsule daily with a meal containing fat. Best taken with breakfast or lunch.
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👨‍⚕️ Evidence-Rated
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Gold Evidence Rating

Highest evidence tier · Primary claim backed by systematic reviews & meta-analyses.

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Every rated Kasivit supplement has passed our Evidence Review. Gold, Silver, and Bronze all meet our standard — the rating tells you the strength of the clinical research behind the primary claim, not whether the product is worth buying. We don’t list a Kasivit supplement unless it passes our review. View the Evidence Standard →

Why It Works

Key Benefits

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Bone Density Duo — D3 + K2
Vitamin D3 increases calcium absorption from 10-15% to 30-40%. K2 (MK-7) activates osteocalcin to direct calcium to bone and Matrix Gla Protein to prevent arterial calcification — completing what D3 alone cannot do.
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Cardiovascular Protection
K2 (MK-7) inhibits arterial calcification — a major independent cardiovascular risk factor. Higher K2 intake is associated with significantly lower coronary heart disease rates in large observational studies.
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Immune System Regulation
Vitamin D3 is essential for innate immune function. VDR (Vitamin D receptor) is expressed on virtually all immune cells. Deficiency is associated with increased infection susceptibility and autoimmune risk.
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Mood & Cognitive Support
VDR is expressed throughout the brain. Vitamin D3 deficiency is strongly associated with depression risk, and supplementation shows mood benefits in deficient individuals in RCT data.
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BioPerine® Enhanced Absorption
Black pepper extract increases Vitamin D3 bioavailability by inhibiting its metabolism — ensuring more of what you take reaches circulation.
✅This product is for you if…
You want evidence-based bone density support beyond calcium alone
You have limited sun exposure (indoor work, northern climate, consistent sunscreen use)
You are over 50 and want to proactively support bone health and reduce fracture risk
You want cardiovascular protection through Vitamin D3 and K2 synergy
You are post-menopausal and want bone-protective nutritional support
⚠️Consult your healthcare provider if…
You take warfarin (Coumadin) — Vitamin K2 directly affects clotting factor activity; consult your physician
You have hypercalcemia or sarcoidosis — consult your physician before Vitamin D supplementation
You take thiazide diuretics — increased risk of hypercalcemia
You are pregnant — discuss Vitamin D requirements with your OB
Formula

Ingredients & Dosages

Serving size: Take 1 capsule daily with a meal containing fat. Best taken with breakfast or lunch.

Ingredient Amount Per Serving Purpose
Vitamin D3 (Cholecalciferol) 5000 IU Calcium absorption, bone mineralization, immune regulation, mood support
Vitamin K2 (MK-7, from Natto) 90 mcg Calcium direction to bone, arterial calcification prevention
Black Pepper Extract (BioPerine®) 5 mg Enhanced Vitamin D3 bioavailability

† Daily Value not established. Other ingredients may include: microcrystalline cellulose, vegetable capsule (HPMC), magnesium stearate (vegetable source), silicon dioxide. Free from: gluten, dairy, soy, artificial colors and flavors.

Science

Clinical Evidence

Every Kasivit product is backed by peer-reviewed research. Here's what the science says.

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Vitamin D3 + K2 combined supplementation significantly improved bone mineral density at the lumbar spine compared to D3 alone in a 3-year RCT of postmenopausal women
Knapen MH et al. Osteoporos Int. 2013;24(9):2499-507. ↗
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High dietary K2 intake was associated with a 57% lower risk of death from coronary heart disease in a large Dutch cohort study
Geleijnse JM et al. J Nutr. 2004;134(11):3100-5. ↗
👨‍⚕️ All studies referenced are peer-reviewed and published in indexed medical journals. This information is for educational purposes and does not constitute medical advice.

Bone & Heart Support is designed to help maintain strong bones and support cardiovascular health. Packed with Vitamin D3, Vitamin K2 MK-7, and BioPerine, this supplement provides a potent blend tailored for those looking to enhance their vitality and strength from within.

The key ingredients nourish your body effectively. Vitamin D3 (2000 IU) plays a crucial role in calcium absorption, ensuring your bones remain robust. Vitamin K2 MK-7 (100mcg) works alongside Vitamin D3, promoting proper calcium distribution to avoid unwanted buildup in arteries. Additionally, BioPerine (5mg) improves the absorption of these vitamins, enhancing their overall efficacy.

Who can benefit from Bone & Heart Support? This supplement is ideal for individuals focused on maintaining bone strength and cardiovascular wellness. Whether you are an active person, a marathon runner, or just someone looking to support healthy aging, these vitamin D3 supplements fit seamlessly into your daily routine.

For best results, take one capsule daily with food. It's important to consult your healthcare provider before starting any new supplement regimen.

At Kasivit, we prioritize quality. Shop with confidence, knowing you're choosing a supplement backed by science, crafted with care.

Questions

Frequently Asked Questions