NOW®
Vitamins D3 1000 IU
87/100
SUPPIE SCORE
90/100
EFFICACY
High
SAFETY
82/100
CLEANLINESS
What Does Vitamins D3 1000 IU Do?
NOW Foods D3 1000 IU offers evidence-based dosing in a clean softgel with olive oil carrier; minimal safety concerns and strong immune/bone support.
How does 1000 IU of Vitamin D3 compare to recommended daily intakes?
What are the benefits of Vitamin D3 for immune function?
Is olive oil or safflower oil a better carrier for Vitamin D absorption?
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What Are the Benefits of Vitamins D3 1000 IU?
Based on proven scientific research
Immune functionStrong
Bone healthStrong
Calcium absorptionStrong
Good For:
What Are the Side Effects of NOW® Vitamins D3 1000 IU?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•1000 IU (25 mcg) is well below the 4000 IU UL for adults.
•No warnings listed on label; generally recognized as safe.
•Gelatin capsule not suitable for vegetarians or vegans.
•Olive and safflower oils are low-allergen carriers.
•Safe for long-term daily use at this dosage.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Low Risk
Low Risk
Low Risk
What Are the Ingredients in NOW® Vitamins D3 1000 IU?
Vitamin D3 (cholecalciferol)
25 mcg (1000 IU)
Huile d'olive vierge
gélule (gélatine, eau, glycérine)
huile de carthame
Sources & References
No sources available
Frequently Asked Questions
Common questions about NOW® Vitamins D3 1000 IU