Nature's Blend Cod Liver Oil 400 mg supplement bottle
Nature's Blend

Cod Liver Oil 400 mg

What We Researched
5 active ingredients analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair
75
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as Fish Liver Oil, Retinyl Palmitate) 375 mcg RAE 42%
Vitamin D (as Cholecalciferol, Fish Liver Oil) 3 mcg 15%
Cod Liver Oil 400 mg
Bioavailability Excellent

Absorption Rating

  • Vitamin A (as Fish Liver Oil, Retinyl Palmitate) Good
  • Vitamin D (as Cholecalciferol, Fish Liver Oil) Good
  • Cod Liver Oil Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Glycerin
  • D-Alpha-Tocopherol
  • Purified Water
Efficacy Very Poor

Dosage Analysis

  • Vitamin A (as Fish Liver Oil, Retinyl Palmitate) 375 mcg RAE Under-dosed
  • Vitamin D (as Cholecalciferol, Fish Liver Oil) 3 mcg Under-dosed
  • Cod Liver Oil 400 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 5 kcal
Total Fat 0.5 g 1%
Vitamin A (as Fish Liver Oil, Retinyl Palmitate) 375 mcg RAE 42%
Vitamin D (as Cholecalciferol, Fish Liver Oil) 3 mcg 15%
Cod Liver Oil 400 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

D-Alpha-Tocopherol Unknown
Purified Water Safe

Dissolves and carries water-soluble ingredients.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$14$13$12$11$10 $11.63
Target

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Nature's Blend

Founded 1974 · Casa Grande, Arizona, USA · 156 products · naturesblendshop.com/

Certifications

2 certifications
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed Source
Coa Availability — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead2019-02-08Source
Related Supplements
Frequently Asked Questions
Is Nature's Blend Cod Liver Oil 400 mg a good supplement?

Nature's Blend Cod Liver Oil 400 mg received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 100 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Nature's Blend, holds a brand trust score of 75/100 with 2 verified certifications including Npa Gmp, Fda Gmp Inspections.

What are the ingredients in Nature's Blend Cod Liver Oil 400 mg?

Nature's Blend Cod Liver Oil 400 mg contains 5 active ingredients: Calories (5 kcal), Total Fat (0.5 g), Vitamin A (as Fish Liver Oil, Retinyl Palmitate) (375 mcg RAE), Vitamin D (as Cholecalciferol, Fish Liver Oil) (3 mcg), Cod Liver Oil (400 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Blend Cod Liver Oil 400 mg safe to take?

Nature's Blend Cod Liver Oil 400 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature's Blend a trustworthy supplement brand?

Nature's Blend receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1974 and headquartered in Casa Grande, Arizona, USA, the company offers 156 products in their lineup. They hold 2 verified certifications including Npa Gmp, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Blend has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.