NKO Neptune Krill Oil 500 mg by Source Naturals — Ingredients, Evidence & Safety

Product Label

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Label Data

2 Softgel(s) Serving Size

60 Servings

Fat/Fatty Acid Product Type

0% Evidence Coverage

Supplement Facts — Evidence Check

Calories

10 Calorie(s)

Total Fat

1 Gram(s) (2% DV)

Cholesterol

10 mg (3% DV)

Neptune Krill Oil

1 Gram(s)

📊 Market median: 500.0mg (239 products)

Median 500.0mg This product: 1mg

Astaxanthin

360 mcg

📊 Market median: 4.0mg (47 products)

This product: 0.36mg

Other Ingredients

Gelatin Glycerin purified Water

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (88% of products) Nutrient (75% of products) Qualified Health (16% of products) Approved Health (2% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: 2 softgels daily with a meal.

⚠️ Warnings & Precautions

Contains shellfish (krill).

Caution: If you are pregnant, may become pregnant, breastfeeding, allergic to shellfish, have a blood coagulation condition or are taking anticoagulants such as warfarin (Coumadin), consult a health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

🧪 Formulation Notes

Neptune Krill Oil 500 mg NKO Original

Supports heart health & cell membrane integrity

NKO is an extract from Antarctic krill that contains cell membrane building blocks: highly unsaturated phospholipids co-functionalized with omega-3 fatty acids (EPA & DHA).

Although beneficial for both men and women, NKO also supports temporary relief of PMS symptoms.

Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.

Additional Information

Store in a cool, dry place.

Product Details

UPC / SKU 0 21078 02426 2

DSLD Entry Date 2022-09-22

Product Type Fat/Fatty Acid

Form Softgel Capsule

Brand Source Naturals

DSLD ID 275606

Data Updated 2026-04-11

Research Evidence

6 Research Sources

42 Avg Quality Score

6 Clinical Trial

C Krill Oil for Pain in Elders

Clinical Trial ClinicalTrials.gov 2025

ClinicalTrials.gov

C Krill Oil and Resistance Exercise in Older Adults

Clinical Trial ClinicalTrials.gov 2023

ClinicalTrials.gov

C Changes in Muscle Strength, Inflammatory Markers, and Body Composition in Response to Alternate Day Fasting Combined With Krill Oil Supplementation in Adults With Overweight and Obesity

Clinical Trial ClinicalTrials.gov 2022

ClinicalTrials.gov

C Krill Oil as Supplementation to Healthy Young Adults.

Clinical Trial ClinicalTrials.gov 2014

ClinicalTrials.gov

C Effects of Krill Oil on Endothelial Function in Patients With Type 2 Diabetes Mellitus

Clinical Trial ClinicalTrials.gov 2012

ClinicalTrials.gov

C Investigation of Krill Oil in Women with Premenstrual Syndrome

Clinical Trial ClinicalTrials.gov 2012

ClinicalTrials.gov

View all evidence for Krill Oil →