All Supplements
Vitamin B3 (Niacin) vs Vitex (Chasteberry)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B3 (Niacin)
Vitex (Chasteberry)
Typical Dosage
14-16 mg daily
400-500 mg daily of standardised extract (0.6% agnuside)
Best Form
Nicotinic acid (niacin)
Standardised dry extract
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With meals to minimise flushing
Morning with food; consistent daily use recommended for 2-3 menstrual cycles before assessing effectiveness
Vitamin B3 (Niacin) Benefits
✓Energy production and metabolism
✓DNA repair and cellular health
✓Cardiovascular health and cholesterol support
✓Brain function and cognitive support
✓Skin health and nervous system function
Vitex (Chasteberry) Benefits
✓Reduces premenstrual syndrome (PMS) symptoms including bloating and mood changes
✓Supports regular menstrual cycles and hormonal balance
✓May alleviate breast tenderness and cyclical mastalgia
✓Potentially improves fertility outcomes in women with luteal phase defects
✓Helps regulate progesterone levels in the luteal phase
Can You Take Both Together?
In most cases, Vitamin B3 (Niacin) and Vitex (Chasteberry) 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 Vitamin B3 (Niacin) if your primary goal is: energy production and metabolism. Choose Vitex (Chasteberry) if your primary goal is: reduces premenstrual syndrome (pms) symptoms including bloating and mood changes. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.