NOW Foods
D-3 Extra Strength
95/100
SUPPIE SCORE
92/100
EFFICACY
High
SAFETY
100/100
CLEANLINESS
What Does D-3 Extra Strength Do?
High-efficacy 1000 IU Vitamin D3 in MCT oil for bone and immune support. Excellent safety profile with no notable dosage or excipient concerns.
How does 1000 IU Vitamin D3 compare to higher therapeutic doses for deficiency correction?
What are the benefits of MCT oil as a carrier for Vitamin D3 absorption?
Is liquid Vitamin D3 better absorbed than tablets or capsules?
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What Are the Benefits of D-3 Extra Strength?
Based on proven scientific research
Bone HealthVery strong
Calcium AbsorptionVery strong
Immune FunctionStrong
Good For:
What Are the Side Effects of NOW Foods D-3 Extra Strength?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•25 mcg (1000 IU) daily is well below the 4000 IU upper limit for adults
•MCT oil carrier is generally recognized as safe with minimal adverse effects
•No warnings listed; suitable for most healthy adults and adolescents 14+
•Fat-soluble vitamin stored in tissues — monitor total daily intake from all sources
•Safe for long-term daily use at this dosage in individuals without hypercalcemia risk
Potential Side Effects
Negative Interactions
Inactive Ingredients
Good
What Are the Ingredients in NOW Foods D-3 Extra Strength?
Vitamin D3 (cholecalciferol)
25 mcg (1000 IU)
MCT Oil (medium-chain triglycerides)
Sources & References
No sources available
Frequently Asked Questions
Common questions about NOW Foods D-3 Extra Strength