21! Century
Norwegian Cod Liver Oil
77/100
SUPPIE SCORE
75/100
EFFICACY
Medium
SAFETY
94/100
CLEANLINESS
What Does Norwegian Cod Liver Oil Do?
Product supplies 3.4 mcg vitamin D3 per serving from cod liver oil, a modest dose relative to studied ranges of 10-50 mcg daily for deficiency correction in adults; evidence supports modest benefits for vitamin D repletion.
What is the recommended daily serving size for this cod liver oil supplement?
How does the vitamin D3 amount compare to daily needs for adults?
Are there any specific storage instructions for this product?
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What Are the Benefits of Norwegian Cod Liver Oil?
Based on proven scientific research
Vitamin D supportStrong
Bone healthModerate
Immune functionModerate
Good For:
What Are the Side Effects of 21! Century Norwegian Cod Liver Oil?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•Cod liver oil source may contain vitamin A not quantified on this label.
•High vitamin D intake can lead to hypercalcemia symptoms.
•Contains fish; avoid if allergic to cod or other fish.
•Evidence on long-term high-dose effects from cod liver oil is limited.
Potential Side Effects
Negative Interactions
Allergens
Fish (cod)
Inactive Ingredients
Gelatin
Low RiskGlycerin
Low RiskPurified water. contains fish (cod)
Low RiskWhat Are the Ingredients in 21! Century Norwegian Cod Liver Oil?
42% (from Cod Liver Oil) Vitamin D3
3.4 mcg
Gelatin
Glycerin
Purified Water. Contains fish (cod)
Dosage & Bioavailability
How the active doses and forms in Norwegian Cod Liver Oil compare to the research.
•42% (from Cod Liver Oil) Vitamin D3 — 3.4 mcg; sits below common studied supplemental ranges of 10-25 mcg daily for adults.
•Vitamin D3 — 3.4 mcg per serving; provided as cholecalciferol in cod liver oil triglyceride form with typical absorption of 50-80% when taken with fat.
Sources & References
Are you considering a complementary health approach
Information from www.nccih.nih.gov
Diabetes and dietary supplements what you need to know
Information from www.nccih.nih.gov
Antioxidant supplements what you need to know
Information from www.nccih.nih.gov
Asthma and complementary health approaches what you need to know
Information from www.nccih.nih.gov
21481 liver
Information from my.clevelandclinic.org
Frequently Asked Questions
Common questions about 21! Century Norwegian Cod Liver Oil