GuruNanda D3 + K2, Black Seed Oil, 2 fl oz (59 ml) supplement bottle
GuruNanda

D3 + K2, Black Seed Oil, 2 fl oz (59 ml)

What We Researched
8 active ingredients analyzed · 3 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
84
Product Score Good
79
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as cholecalciferol) (5000 IU) 125 mcg 625%
Vitamin K (as vitamin K2) 100 mcg 83%
Nigella (Nigella sativa)(Seed) Oil 925 mg
Omega-3 Fatty Acid (Alpha-Linolenic Acid) 2.5 mg
Omega-6 Fatty Acid (Linoleic Acid) 483 mg
Omega-9 Fatty Acid (Oleic Acid) 195 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin D (as cholecalciferol) (5000 IU) Good
  • Vitamin K (as vitamin K2) Good
  • Nigella (Nigella sativa)(Seed) Oil Fair
  • Omega-3 Fatty Acid (Alpha-Linolenic Acid) Good
  • Omega-6 Fatty Acid (Linoleic Acid) Good
  • Omega-9 Fatty Acid (Oleic Acid) Fair
Other Ingredients Excellent

Fillers & Additives

  • MCT Oil
  • Sunflower Oil
  • D-Alpha Tocopheryl Acetate
Efficacy Fair

Dosage Analysis

  • Vitamin D (as cholecalciferol) (5000 IU) 125 mcg High
  • Vitamin K (as vitamin K2) 100 mcg Effective
  • Nigella (Nigella sativa)(Seed) Oil 925 mg Effective
  • Omega-3 Fatty Acid (Alpha-Linolenic Acid) 2.5 mg Under-dosed
  • Omega-9 Fatty Acid (Oleic Acid) 195 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Fat 1 g 1%*
Vitamin D (as cholecalciferol) (5000 IU) 125 mcg 625%
Vitamin K (as vitamin K2) 100 mcg 83%
Nigella (Nigella sativa)(Seed) Oil 925 mg
Omega-3 Fatty Acid (Alpha-Linolenic Acid) 2.5 mg
Omega-6 Fatty Acid (Linoleic Acid) 483 mg
Omega-9 Fatty Acid (Oleic Acid) 195 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

MCT Oil Safe

Helps dissolve and enhance absorption of fat-soluble ingredients.

Sunflower Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

D-Alpha Tocopheryl Acetate Safe

It is included as an active ingredient for its antioxidant properties.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$14$13$12$11$10 Mar 12 $11.99
iHerb

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

Brand Trust Report
GuruNanda

Founded 2013 · Buena Park, CA, United States · 2 products · gurunanda.com

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source

Violation History

3 incidents
Lawsuit Patent Infringement.2024Source
Fda Warning Unapproved and Misbranded Products Related to Coronavirus Disease 2019 (COVID-19)2020-03-06Source
Lawsuit Website not accessible per WCAG 2.0 accessibility standards.2020Source
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Frequently Asked Questions
Is GuruNanda D3 + K2, Black Seed Oil a good supplement?

GuruNanda D3 + K2, Black Seed Oil, 2 fl oz (59 ml) received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 8 active ingredients with 59 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, GuruNanda, holds a brand trust score of 79/100.

What are the ingredients in GuruNanda D3 + K2, Black Seed Oil?

GuruNanda D3 + K2, Black Seed Oil contains 8 active ingredients: Calories (10), Total Fat (1 g), Vitamin D (as cholecalciferol) (5000 IU) (125 mcg), Vitamin K (as vitamin K2) (100 mcg), Nigella (Nigella sativa)(Seed) Oil (925 mg), Omega-3 Fatty Acid (Alpha-Linolenic Acid) (2.5 mg), and 2 more. Notable high-dose ingredients include Vitamin D at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GuruNanda D3 + K2, Black Seed Oil safe to take?

GuruNanda D3 + K2, Black Seed Oil, 2 fl oz (59 ml) has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is GuruNanda a trustworthy supplement brand?

GuruNanda receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Buena Park, CA, United States, the company offers 2 products in their lineup. Note: GuruNanda has 3 historical regulatory incidents 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.