Introduction

Krill oil is a marine oil extracted from Antarctic krill and is a rich source of omega-3 fatty acids EPA and DHA in phospholipid form. It also contains astaxanthin, a powerful antioxidant that enhances stability and offers additional health benefits. Krill oil is known for its high bioavailability and minimal fishy aftertaste.

What Is Krill Oil?

Krill oil is derived from tiny crustaceans called krill and provides omega-3s bound to phospholipids.

• Type: Omega-3 fatty acid supplement
• Main role: Anti-inflammatory and cellular membrane support
• Storage: Cell membranes, brain, retina

How Krill Oil Works in the Body

EPA and DHA in krill oil are attached to phospholipids, allowing efficient absorption into cells.

• Improves omega-3 delivery to cell membranes
• Supports heart rhythm and vascular function
• Reduces inflammation
• Astaxanthin provides antioxidant protection

Sources of Krill Oil

• Krill oil softgel supplements
• Wild-caught Antarctic krill

Omega-3 Deficiency

Omega-3 deficiency is common due to low intake of marine foods.

Possible deficiency-related symptoms include:

• Dry skin and eyes
• Joint discomfort
• Memory and focus issues
• Mood imbalance
• Inflammation-related concerns

Dosage & How to Take Krill Oil

• General health: 500–1000 mg/day
• Heart & joint support: 1000–2000 mg/day
• Equivalent EPA+DHA: Lower doses needed than fish oil

Krill oil is best taken with meals.

Forms of Krill Oil

• Standard krill oil softgels
• High-concentration phospholipid krill oil

Benefits & Uses

• Supports heart and cardiovascular health
• Improves brain and cognitive function
• Reduces joint inflammation and stiffness
• Supports healthy cholesterol levels
• Provides antioxidant protection

Safety, Side Effects & Precautions

• Generally safe and well tolerated
• Minimal fishy aftertaste
• Avoid if allergic to shellfish
• Consult a doctor if on blood-thinning medication

Special Populations

• People with heart disease: Supports lipid balance
• Elderly: Supports cognition and joint health
• People with joint issues: Reduces inflammation
• Those sensitive to fish oil: Often better tolerated

Frequently Asked Questions

What is the difference between krill oil and fish oil?

Krill oil contains omega-3s bound to phospholipids and includes astaxanthin, offering better absorption.

Is krill oil better than fish oil?

It may be more bioavailable and better tolerated, though both are effective.

Can krill oil be taken daily?

Yes. Daily supplementation is safe for most people.

Is krill oil good for cholesterol?

Yes. It may help support healthy lipid profiles.

Best time to take krill oil?

With meals for optimal absorption.