Best Vitamin D3+K2 - Top 5 in 2026
Vitamin D3+K2 is an extremely important combination for bone and cardiovascular health. Vitamin D3 aids in the absorption of calcium from the gastrointestinal tract, while vitamin K2 helps to properly utilize this calcium by directing it to the bones instead of the blood vessels. Vitamin D3+K2 supplementation is especially important during the fall and winter months, when sun exposure is limited, and for the elderly and those with deficiencies. Want to know which vitamin D3+K2 supplements are the most effective and trustworthy? Check out our current TOP 5 ranking of the best vitamin D3+K2 supplements in 2026 and choose the supplement most suited to your needs.
Ranking factors we took into account were:
- Quality
- Price
- Composition
- Safety
- Application
- Bioavailability
- Performance
What qualities to look for in good supplements containing Vitamin D3+K2 ?
The form of vitamin D3. Form of vitamin D3: Cholecalciferol (D3) is a form that is better absorbed by the body than ergocalciferol (D2), providing a higher increase in blood levels of vitamin D.
The following is a form of vitamin K2. The form of vitamin K2: MK-7 (menaquinone-7) has a longer half-life and better bioavailability than MK-4, allowing it to remain active in the body longer.
Vitamin D3 dosage: Normally between 1,000-4,000 IU (25-100 µg) per day, depending on individual needs and degree of deficiency.
Dose of vitamin K2. Vitamin K2 dosage: Mostly 100-200 µg for optimal synergistic effect with vitamin D3.
Non harmful additives. No harmful additives: High-quality supplements contain no artificial colors, preservatives, gluten or sugar.
Presence of fats:The addition of oil (e.g. MCT, olive oil) increases the absorption of these fat-soluble vitamins.
Stability studies: A good manufacturer conducts tests to confirm the stability of ingredients throughout the shelf life.
Take a look at the ranking of the best supplements containing Vitamins D3+K2:
Vitamin D3+K2 by Nutridome is a supplement that combines an optimal dose of vitamin D3 (4,000 IU) with vitamin K2 (200 µg) in a synergistic duo that supports health. While D3 effectively promotes the absorption of calcium and phosphorus into the body, K2 intelligently directs the minerals to bone tissue, preventing unwanted accumulation in blood vessels. Our testers were delighted with the innovative addition of inulin - a natural prebiotic that sets this product apart from the competition. The testers appreciated how it positively affected their intestinal bacterial flora, which translated into better absorption of the active ingredients. They were particularly captivated by the supplement's pure formula - free of lactose, soy, salt, sugar and dyes. Manufactured in the EU from safe raw materials, free of heavy metals and mycotoxins, the product has won praise for its very high quality. One capsule a day provides comprehensive protection for bones, teeth and immunity, especially during months with limited access to natural sunlight, when the body needs additional vitamin D support. Vitamin D3+K2 by Nutridome is a supplement that is second to none.
Aura Herbals Vitamin D3+K2 is a supplement in the form of drops. The product provides 4,000 IU of vitamin D3 in each daily serving. Vitamin D3, derived from lanolin, is combined with vitamin K2 MK7 derived from chickpeas to form a duo that supports the body's calcium balance. Our testers were pleased with the convenient form of application - the precise dispenser allows easy measuring of drops without spilling. They especially appreciated the coconut MCT oil base, which ensures optimal bioavailability of fat-soluble vitamins without the need for additional meal consumption. Some testers noted the slightly noticeable aftertaste of coconut oil, which for some was an asset, while for others it took some getting used to. Testers unanimously praised the clean composition without unnecessary additives and the high performance of the bottle. For some people, the dosage may be too high, so it is recommended to take a 25-(OH)D blood test and consult the result with a doctor before starting supplementation. Vitamin D3+K2 Aura Herbals is not recommended for pregnant women.
Aura Herbals' supplement in capsule form combines 2000 IU of vitamin D3 with vitamin K2. The formula uses vitamin D3 from lanolin sourced from sheep raised on Australian and New Zealand pastures, and vitamin K2 derived from the traditional fermentation of soybeans. Our testers highlighted the plant-based cellulose capsules, which provide an ethical alternative to the popular gelatin capsules. Testers also appreciated the innovative micronization of vitamin D3 molecules, which significantly improved its absorption. A sizable number of female testers complained about the large size of the capsules, which made it difficult to swallow, especially for the elderly. A few female testers also noticed a peculiar aftertaste after biting the capsule, which they described as "herbal and bitter." The supplement has won praise for its high-quality, certified ingredients and clear formulation devoid of unnecessary additives, making Vitamin D3+K2 a good choice for those looking for natural immune support and bone health.
Aliness Vitamin D3+K2 are capsules that provide a balanced source of two key vitamins for the development and maintenance of healthy bones. Thanks to the carefully selected proportions of the ingredients, vitamin D3 improves the absorption of calcium, while K2 is responsible for its proper utilization, directing this valuable mineral to bone tissue instead of blood vessels. Our testers observed a marked improvement in their well-being, especially during the fall and winter. They also appreciated the convenient dosage - just one capsule a day with a meal provides comprehensive protection not only for bones and teeth, but also for the immune system. Some testers reported mild stomach discomfort during the first days of use, especially when taken on an empty stomach. A few also noted a metallic aftertaste remaining in the mouth after taking the supplement. The lack of information about additional quality certifications on the packaging raised questions about the origin of the ingredients.
Bicaps Vitamin D3+K2 is a supplement for adults, containing vitamin D3 (2000 IU) and vitamin K2 MK-7), which support bone mineralization and proper calcium transport in the body. Both vitamins are in a well-absorbed form, and the base of the capsule is natural inulin, which can have a positive effect on digestion. Testers appreciated the short, simple formulation and the plant-based capsule shell - with no artificial additives or preservatives. The supplement was tasteless, which many considered an advantage. The downside, however, was the size of the capsule - for some testers it was very difficult to swallow. There were also reports of possible hypersensitivity - one tester experienced itchy skin, which subsided after discontinuation. A feeling of "heaviness" in the stomach when taken on an empty stomach was also reported in a single case. The supplement may be unsuitable for pregnant women and may interact with anticoagulants, so caution is recommended before use.
