NOW
Vitamin D-3 & K-2
91/100
SUPPIE SCORE
92/100
EFFICACY
High
SAFETY
90/100
CLEANLINESS
What Does Vitamin D-3 & K-2 Do?
This well-dosed Vitamin D3 and K2 supplement excels in supporting bone and cardiovascular health with strong scientific backing. Dosages align with effective ranges; overall safe for healthy adults, but consult doctor if on anticoagulants.
What are the benefits of combining Vitamin D3 and K2 for bone health?
How does Vitamin K2 support cardiovascular health compared to other forms of Vitamin K?
Is 1,000 IU of Vitamin D3 sufficient for daily immune support?
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What Are the Benefits of Vitamin D-3 & K-2?
Based on proven scientific research
Bone HealthVery strong
Cardiovascular SupportStrong
Immune FunctionModerate
Calcium MetabolismVery strong
Good For:
What Are the Side Effects of NOW Vitamin D-3 & K-2?
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-7) at 45 mcg poses minimal side effects but may interact with anticoagulants like warfarin, requiring medical consultation.
•Product is suitable for adults; contraindicated in pregnancy/nursing without physician approval due to potential effects on blood clotting and calcium levels.
•No major allergens identified; vegetarian capsules reduce risks for those with gelatin sensitivities.
•Long-term use supports bone and vascular health but monitor vitamin D levels to avoid excess; no contamination concerns from NOW's GMP-certified manufacturing.
•Elderly users benefit from bone support but those on blood thinners face higher interaction risks.
Potential Side Effects
Negative Interactions
Allergens
None identified
Inactive Ingredients
Rice flour
Low RiskHypromellose (cellulose capsule)
Low RiskStearic acid
Low RiskAscorbyl palmitate
GoodSilica
Low RiskWhat Are the Ingredients in NOW Vitamin D-3 & K-2?
Vitamin D3
1,000 IU
Vitamin K2
45 mcg
Rice Flour
Hypromellose (cellulose capsule)
Stearic Acid
Ascorbyl Palmitate
Silica
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Dosage & Bioavailability
How the active doses and forms in Vitamin D-3 & K-2 compare to the research.
•Vitamin D3 — 25 mcg per serving; within the 15-100 mcg/day used in studies.
•Vitamin D3 — vitamin d3 is among the preferred forms of vitamin d in Suppie's ingredient library.
•Vitamin K2 — 45 mcg per serving; studies use 90 mcg/day.
Sources & References
Frequently Asked Questions
Common questions about NOW Vitamin D-3 & K-2