Nutricost
Vitamin D3 + K2
74/100
SUPPIE SCORE
78/100
EFFICACY
Medium
SAFETY
86/100
CLEANLINESS
What Does Vitamin D3 + K2 Do?
This Nutricost Vitamin D3 + K2 pairs 5000 IU cholecalciferol with 100 mcg MK-7, a popular combo for directing calcium to bones rather than arteries with solid but not overwhelming clinical support.
How does this D3 and K2 combo support calcium balance compared to D3 alone?
What is the best time of day to take these softgels for absorption?
Are there any specific blood tests I should monitor while using 5000 IU D3 daily?
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What Are the Benefits of Vitamin D3 + K2?
Based on proven scientific research
Bone HealthStrong
Calcium RegulationStrong
Cardiovascular SupportModerate
Immune FunctionModerate
Good For:
What Are the Side Effects of Nutricost Vitamin D3 + K2?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•125 mcg (5000 IU) D3 exceeds standard 15-20 mcg daily maintenance but is common for deficiency correction; monitor serum 25(OH)D levels to avoid hypercalcemia.
•100 mcg MK-7 K2 is within studied ranges for supporting arterial health when paired with D3.
•May interact with blood thinners like warfarin due to vitamin K's role in clotting; consult physician if on anticoagulants.
•Generally well-tolerated but high-dose D3 can cause nausea, constipation or kidney strain in sensitive individuals or with excessive calcium intake.
•Not recommended in pregnancy or nursing without medical supervision due to high D3 dose.
•Contains gelatin, so not suitable for vegetarians or those with gelatin allergies.
Potential Side Effects
Negative Interactions
Allergens
Gelatin
Inactive Ingredients
Sunflower oil
Low RiskGelatin
Low RiskGlycerin
Low RiskPurified water
Low RiskCaramel color
Medium RiskWhat Are the Ingredients in Nutricost Vitamin D3 + K2?
Vitamin D3 (as cholecalciferol)
125 mcg (5,000 IU)
Vitamin K2 (as menaquinone-7)
100 mcg
Sunflower oil
Gelatin
Glycerin
Purified water
Caramel color
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Dosage & Bioavailability
How the active doses and forms in Vitamin D3 + K2 compare to the research.
•Vitamin D3 (as cholecalciferol) — 125 mcg (5,000 IU) per serving; above typical 15-20 mcg maintenance but common in deficiency protocols.
•Vitamin K2 (as menaquinone-7) — 100 mcg per serving; within 90-180 mcg ranges studied for bioavailability and carboxylation activity.
Frequently Asked Questions
Common questions about Nutricost Vitamin D3 + K2