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Krill Oil vs Ashwagandha (KSM-66) — Which Should You Take?

Krill Oil

vitamins

Typically £8–£25/month

Ashwagandha (KSM-66)

adaptogens

Typically £8–£25/month
Feature
Krill Oil
Ashwagandha (KSM-66)
Typical Dosage
1,000–3,000 mg daily
300-600mg daily (KSM-66 extract)
Best Form
Softgel capsules
KSM-66
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★
★★★★
Best Time
With meals for optimal absorption
Evening for sleep, or split morning/evening for stress
Upper Limit
3,000 mg daily
1,200mg daily
Side Effects
3 noted
4 noted

Krill Oil Benefits

Supports heart health and cholesterol levels
May reduce joint inflammation and arthritis symptoms
Promotes brain function and cognitive clarity
Rich in antioxidants through astaxanthin content
May improve mood and reduce anxiety

Ashwagandha (KSM-66) Benefits

Reduces cortisol and perceived stress
Improves sleep quality
May increase testosterone in men
Anxiety reduction
Physical performance enhancement

Krill Oil Side Effects

Mild gastrointestinal upset or fishy aftertaste
Allergic reactions in those with shellfish allergies
Potential blood-thinning effects at high doses

Ashwagandha (KSM-66) Side Effects

Drowsiness (dose-dependent)
May worsen thyroid conditions (can increase thyroid hormones)
Mild digestive upset in some people
Not recommended during pregnancy

Can You Take Krill Oil and Ashwagandha (KSM-66) Together?

In most cases, Krill Oil and Ashwagandha (KSM-66) can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication or have existing health conditions.

Krill Oil: Blood thinners and antiplatelet medications

Krill Oil: NSAIDs may increase bleeding risk

Ashwagandha (KSM-66): Thyroid medications — may increase thyroid hormone levels

Ashwagandha (KSM-66): Sedatives — additive drowsiness

Which Should You Choose?

Choose Krill Oil if your primary goal is: supports heart health and cholesterol levels. Choose Ashwagandha (KSM-66) if your primary goal is: reduces cortisol and perceived stress.

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Frequently Asked Questions

Is Krill Oil better than Ashwagandha (KSM-66)?

It depends on your goals. Krill Oil and Ashwagandha (KSM-66) serve different purposes and are often taken together.

Can I take Krill Oil and Ashwagandha (KSM-66) together?

In most cases, yes. Krill Oil and Ashwagandha (KSM-66) can be taken together safely. However, always check for specific interactions and consult a healthcare professional if you take medication.

What is the best time to take Krill Oil?

With meals for optimal absorption

What is the best time to take Ashwagandha (KSM-66)?

Evening for sleep, or split morning/evening for stress

What are the side effects of Krill Oil?

Mild gastrointestinal upset or fishy aftertaste. Allergic reactions in those with shellfish allergies. Potential blood-thinning effects at high doses.

What are the side effects of Ashwagandha (KSM-66)?

Drowsiness (dose-dependent). May worsen thyroid conditions (can increase thyroid hormones). Mild digestive upset in some people. Not recommended during pregnancy.

How We Compare Supplements

This comparison is based on published clinical research, peer-reviewed studies from PubMed, and established nutritional science. We evaluate dosages based on clinically-effective amounts, not manufacturer recommendations. Benefits listed have at least moderate evidence from human studies. When evidence is limited or conflicting, we note this.

Disclaimer: This comparison is for educational purposes only and is not medical advice. Always consult a qualified healthcare professional before starting any supplement, especially if you take medication or have existing health conditions.

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