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Vitex Agnus Castus vs Ashwagandha (KSM-66)

Side-by-side comparison — benefits, dosage, forms, and research.

Vitex Agnus Castus

herbs

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Ashwagandha (KSM-66)

adaptogens

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Feature
Vitex Agnus Castus
Ashwagandha (KSM-66)
Typical Dosage
400–1000 mg daily
300-600mg daily (KSM-66 extract)
Best Form
Dried fruit/powder
KSM-66
Key Benefits
5
5
Evidence Rating
★★★
★★★★
Best Time
Morning with food; consistent daily use recommended for 2–3 months for full effects
Evening for sleep, or split morning/evening for stress

Vitex Agnus Castus Benefits

May reduce PMS symptoms including breast tenderness and mood changes
May support regular menstrual cycles
May alleviate menopausal symptoms
May support hormonal balance in women
May improve fertility outcomes in some cases

Ashwagandha (KSM-66) Benefits

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

Can You Take Both Together?

In most cases, Vitex Agnus Castus 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.

Which Should You Choose?

Choose Vitex Agnus Castus if your primary goal is: may reduce pms symptoms including breast tenderness and mood changes. Choose Ashwagandha (KSM-66) if your primary goal is: reduces cortisol and perceived stress. Many people take both as they target different aspects of health. The best choice depends on your individual needs, existing diet, and health goals. If in doubt, start with one, assess for 4-8 weeks, then consider adding the other.

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. Our goal is to help you make an informed decision — not to sell you anything.

Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.

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