- Delivers 25 mcg (1000 IU) of vitamin D3 and 100 mcg of vitamin K2 as MK-7 in each 5-drop serving.
- Features unflavored liquid format for easy administration and flexible dosing options.
- Contains vitamin K2 as Menaquinone-7 (MK-7), a superior, more bioavailable form that stays active longer in the body.
- Formulated in olive oil base with d-α-tocopherol for enhanced absorption of fat-soluble vitamins.
- Supports calcium utilization by helping direct calcium to bones and teeth while supporting vascular health.
About Nature’s Sunshine Liquid Vitamin D3 & K2
When it comes to supporting your body’s structural foundation, few nutrient partnerships are as powerful as vitamins D3 and K2. Nature’s Sunshine Liquid Vitamin D3 & K2 brings these two essential fat-soluble vitamins together in a convenient, unflavored liquid formula designed for optimal absorption and effectiveness.
This carefully crafted supplement provides 25 mcg (1000 IU) of vitamin D3 as cholecalciferol—the same form your body produces naturally when exposed to sunlight—along with 100 mcg of vitamin K2 in its superior MK-7 form. This combination works synergistically to support your body’s calcium metabolism, ensuring that calcium gets to where it’s needed most: your bones and teeth.
The Science Behind D3 and K2 Together
Vitamin D3 plays a fundamental role in calcium absorption from your digestive tract, while vitamin K2 serves as the “traffic director,” helping to guide that absorbed calcium to your bones and teeth rather than allowing it to accumulate in soft tissues or arteries. Research suggests that taking these vitamins together may be more beneficial for bone health than taking vitamin D3 alone.
The MK-7 form of vitamin K2 in this formula offers distinct advantages over other forms. It has a longer half-life in your body, meaning it remains active for extended periods, providing sustained support for calcium metabolism. This enhanced bioavailability makes MK-7 particularly effective at supporting both bone health and cardiovascular wellness.
Enhanced Absorption and Convenience
The liquid format offers several benefits over traditional capsules or tablets. The olive oil base enhances the absorption of these fat-soluble vitamins, while the unflavored formulation makes it easy to add to any beverage or take directly. Each bottle provides 120 servings, making it a cost-effective choice for long-term supplementation.
The addition of d-α-tocopherol (a natural form of vitamin E) helps protect the formula’s stability while providing additional antioxidant benefits. This thoughtful formulation ensures you receive the full potency of both vitamins with each dose.
Supporting Your Health Goals
Whether you’re looking to support bone health as you age, maintain your body’s natural calcium balance, or simply ensure adequate intake of these important nutrients during months with limited sun exposure, this supplement provides targeted nutritional support. The combination of D3 and K2 makes it particularly valuable for adults who want to take a proactive approach to their structural health.
Key Ingredients
Ingredient | Amount per Serving | Key Benefits |
---|---|---|
Vitamin D3 (as cholecalciferol) | 25 mcg (1000 IU) | Supports calcium absorption, bone health, immune function |
Vitamin K2 (as Menaquinone-7) | 100 mcg | Directs calcium to bones, supports vascular health |
Recommended Usage
Once daily, add 5 drops to any beverage or food. Or take it straight from the bottle. Shake well before use.
Frequently Asked Questions
MK-7 (Menaquinone-7) has a longer half-life in the body compared to other forms of vitamin K2, meaning it stays active for extended periods and provides more sustained support for calcium metabolism. This enhanced bioavailability makes it particularly effective at supporting both bone health and cardiovascular wellness.
Vitamins D3 and K2 work synergistically in calcium metabolism. D3 enhances calcium absorption from your digestive tract, while K2 helps direct that calcium to your bones and teeth rather than soft tissues. Research suggests this combination may be more beneficial for bone health than taking D3 alone.
The liquid format in an olive oil base enhances absorption of these fat-soluble vitamins. The unflavored liquid is also more convenient for those who have difficulty swallowing capsules and allows for flexible dosing by adding to any beverage or taking directly.
This supplement can generally be taken with other vitamins and minerals. However, if you’re taking calcium supplements or medications, especially blood thinners, consult with your healthcare professional before use, as vitamin K2 may affect how your body uses calcium.
Adults looking to support bone health, those with limited sun exposure, individuals interested in supporting calcium metabolism, and anyone wanting to maintain structural health as they age may benefit from D3 and K2 supplementation. Always consult with a healthcare professional before starting any new supplement regimen.
Why Shop with Us?
- Over 500 Quality Nature's Sunshine Supplements Available
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- Trusted Quality Standards - Nature's Sunshine uses rigorous testing and premium ingredients to ensure every supplement meets the highest standards for purity and potency.

Satisfaction Guaranteed
We stand behind every Nature’s Sunshine product. If you’re not completely satisfied with your purchase, simply contact us to arrange a return—we’ll provide a full refund, no questions asked. Your wellness and satisfaction are our top priorities.

Who is Liquid Vitamin D3 & K2 For?
- Adults seeking comprehensive bone and structural health support
- Individuals with limited sun exposure or indoor lifestyles
- People interested in supporting healthy calcium metabolism
- Those who prefer liquid supplements over capsules or tablets
- Adults looking to support cardiovascular wellness alongside bone health