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Dong Quai vs Ashwagandha (KSM-66) — Which Should You Take?

Dong Quai

herbs

Typically £8–£25/month

Ashwagandha (KSM-66)

adaptogens

Typically £8–£25/month
Feature
Dong Quai
Ashwagandha (KSM-66)
Typical Dosage
1-2 grams daily in dried form or 300-600mg standardised extract
300-600mg daily (KSM-66 extract)
Best Form
Dried root powder
KSM-66
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★★
★★★★
Best Time
With meals to enhance absorption
Evening for sleep, or split morning/evening for stress
Upper Limit
3 grams daily
1,200mg daily
Side Effects
3 noted
4 noted

Dong Quai Benefits

May support regular menstrual cycles
Traditionally used for menopausal symptom relief
Potential anti-inflammatory properties
May improve blood circulation
Historically used for hormonal balance in women

Ashwagandha (KSM-66) Benefits

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

Dong Quai Side Effects

May increase photosensitivity; avoid excessive sun exposure
Possible mild digestive upset in sensitive individuals
Potential oestrogen-like effects; not recommended during pregnancy or lactation

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 Dong Quai and Ashwagandha (KSM-66) Together?

In most cases, Dong Quai 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.

Dong Quai: May potentiate anticoagulants (warfarin, aspirin) and increase bleeding risk

Dong Quai: Could interact with hormone replacement therapy or hormonal contraceptives

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

Ashwagandha (KSM-66): Sedatives — additive drowsiness

Which Should You Choose?

Choose Dong Quai if your primary goal is: may support regular menstrual cycles. Choose Ashwagandha (KSM-66) if your primary goal is: reduces cortisol and perceived stress.

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Frequently Asked Questions

Is Dong Quai better than Ashwagandha (KSM-66)?

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

Can I take Dong Quai and Ashwagandha (KSM-66) together?

In most cases, yes. Dong Quai 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 Dong Quai?

With meals to enhance 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 Dong Quai?

May increase photosensitivity; avoid excessive sun exposure. Possible mild digestive upset in sensitive individuals. Potential oestrogen-like effects; not recommended during pregnancy or lactation.

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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