NOW Foods
Vitamin D3 & K2 1,000 IU / 45 mcg
87/100
SUPPIE SCORE
92/100
EFFICACY
High
SAFETY
82/100
CLEANLINESS
What Does Vitamin D3 & K2 1,000 IU / 45 mcg Do?
This well-dosed Vitamin D3-K2 combo excels in bone and cardiovascular support with strong evidence; 1,000 IU D3 and 45 mcg K2 align with research, formulation is clean and safe for most adults with minimal risks.
What are the benefits of combining Vitamin D3 and K2 for bone health?
Is 1,000 IU of Vitamin D3 sufficient for daily needs?
How does MK-4 form of Vitamin K2 support cardiovascular health?
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What Are the Benefits of Vitamin D3 & K2 1,000 IU / 45 mcg?
Based on proven scientific research
Bone HealthVery strong
Cardiovascular SupportStrong
Immune FunctionModerate
Calcium MetabolismVery strong
Good For:
What Are the Side Effects of NOW Foods Vitamin D3 & K2 1,000 IU / 45 mcg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Vitamin D3 at 1,000 IU is well within safe daily limits (up to 4,000 IU for adults), with low risk of hypercalcemia in healthy individuals.
•Vitamin K2 (MK-4) at 45 mcg poses minimal side effect risk; however, it may interact with blood thinners like warfarin, requiring medical consultation.
•No major allergens present; product is free from wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts, and sesame.
•Safe for most adults, but pregnant or breastfeeding individuals should consult a doctor due to limited specific data on this combination.
•Long-term use supports bone and heart health without significant concerns at this dosage, though monitoring calcium levels is advised for those with kidney issues.
•High-quality manufacturing by NOW Foods reduces contamination risks, but store in a cool, dry place to maintain potency.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Low Risk
Low Risk
Low Risk
Low Risk
What Are the Ingredients in NOW Foods Vitamin D3 & K2 1,000 IU / 45 mcg?
Vitamin D (as D3 Cholecalciferol) (from Lanolin)
25 mcg (1,000 IU)
Vitamin K2 (as Menaquinone-4) (MK-4)
45 mcg
Sources & References
Frequently Asked Questions
Common questions about NOW Foods Vitamin D3 & K2 1,000 IU / 45 mcg