Natural Factors
Vitamin D3 1,000 IU Softgels
77/100
SUPPIE SCORE
78/100
EFFICACY
Medium
SAFETY
92/100
CLEANLINESS
What Does Vitamin D3 1,000 IU Softgels Do?
This is a straightforward vitamin D3 product with a clear 1,000 IU dose and a simple formula. The main standout is the inclusion of flaxseed oil alongside cholecalciferol, with no complex blend or extra actives.
How many softgels should I take each day?
Is this vitamin D3 suitable for vegetarians?
What inactive ingredients are in the softgel?
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What Are the Benefits of Vitamin D3 1,000 IU Softgels?
Based on proven scientific research
Bone healthStrong
Immune supportModerate
Calcium absorptionModerate
Muscle functionModerate
Good For:
What Are the Side Effects of Natural Factors Vitamin D3 1,000 IU Softgels?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•May cause gastrointestinal upset in some users, though the formula is otherwise simple.
•Vitamin D can interact with certain medications and conditions affecting calcium balance.
•Avoid exceeding high total vitamin D intake without clinician guidance, especially if using other D products.
•Not ideal for pregnancy or breastfeeding without healthcare advice, per label warning.
•Contains gelatin in the softgel, so it is not suitable for vegetarians despite the product page claim.
•No major food allergens are listed, but always verify if you have sensitivities to capsule ingredients.
Potential Side Effects
Negative Interactions
Allergens
gelatin
Inactive Ingredients
Microcrystalline cellulose
Low RiskDicalcium phosphate
Low RiskMagnesium stearate (vegetable grade)
Low RiskSoftgel capsule (gelatin, glycerin, purified water)
Low RiskCellulose
Low RiskWhat Are the Ingredients in Natural Factors Vitamin D3 1,000 IU Softgels?
Vitamin D3 (cholecalciferol)
25 mcg (1,000 IU)
Organic flaxseed oil
200 mg
Microcrystalline cellulose
Dicalcium phosphate
Magnesium stearate (vegetable grade)
Softgel capsule (gelatin, glycerin, purified water)
Cellulose
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Dosage & Bioavailability
How the active doses and forms in Vitamin D3 1,000 IU Softgels compare to the research.
•Vitamin D3 (cholecalciferol) is listed at 25 mcg (1,000 IU) per serving; without a source-specific reference range, dose adequacy cannot be graded.
•Organic flaxseed oil is listed at 200 mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
Sources & References
Natural Factors Vitamin D3 1000 IU 180 Tablets
Information from www.vitacost.com
Vitamin d3 1000 iu softgels by natural factors
Information from www.professionalsupplementcenter.com
Vitamin d3 1000 iu softgels
Information from ca.naturalfactors.com
Natural factors vitamin d3 1000 iu softgels
Information from nutritionplus.com
A 1002456265
Information from www.target.com
Frequently Asked Questions
Common questions about Natural Factors Vitamin D3 1,000 IU Softgels