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Chaste Tree (Vitex) vs Vitamin B12 — Which Should You Take?

Chaste Tree (Vitex)

herbal

Typically £8–£25/month

Vitamin B12

vitamins

Typically £8–£25/month
Feature
Chaste Tree (Vitex)
Vitamin B12
Typical Dosage
20-40mg extract daily
500-1,000mcg daily
Best Form
Capsule
Methylcobalamin
Key Benefits
4 listed
5 listed
Evidence Rating
★★★★
★★★★
Best Time
Morning on empty stomach
Morning — may be energising
Upper Limit
20-240mg
No established upper limit (water-soluble)
Side Effects
4 noted
2 noted

Chaste Tree (Vitex) Benefits

Supports healthy progesterone levels
Reduces PMS symptoms
May improve fertility
Helps regulate menstrual cycles

Vitamin B12 Benefits

Energy production
Nerve function and protection
Red blood cell formation
DNA synthesis
May reduce homocysteine levels

Chaste Tree (Vitex) Side Effects

Headache
Nausea
Skin rash
Menstrual flow changes

Vitamin B12 Side Effects

Very safe — excess excreted in urine
Rare: acne at very high doses in some individuals

Can You Take Chaste Tree (Vitex) and Vitamin B12 Together?

In most cases, Chaste Tree (Vitex) and Vitamin B12 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.

Chaste Tree (Vitex): Oral contraceptives

Chaste Tree (Vitex): Hormone therapies

Vitamin B12: Metformin reduces B12 absorption — supplement if on metformin

Vitamin B12: Proton pump inhibitors (PPIs) reduce absorption

Which Should You Choose?

Choose Chaste Tree (Vitex) if your primary goal is: supports healthy progesterone levels. Choose Vitamin B12 if your primary goal is: energy production.

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Frequently Asked Questions

Is Chaste Tree (Vitex) better than Vitamin B12?

It depends on your goals. Chaste Tree (Vitex) and Vitamin B12 serve different purposes and are often taken together.

Can I take Chaste Tree (Vitex) and Vitamin B12 together?

In most cases, yes. Chaste Tree (Vitex) and Vitamin B12 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 Chaste Tree (Vitex)?

Morning on empty stomach

What is the best time to take Vitamin B12?

Morning — may be energising

What are the side effects of Chaste Tree (Vitex)?

Headache. Nausea. Skin rash. Menstrual flow changes.

What are the side effects of Vitamin B12?

Very safe — excess excreted in urine. Rare: acne at very high doses in some individuals.

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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