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Folate (B9) vs Zinc — Which Should You Take?

Folate (B9)

vitamins

Typically £8–£25/month

Zinc

minerals

Typically £8–£25/month
Feature
Folate (B9)
Zinc
Typical Dosage
400-800 mcg daily for adults
15-30mg daily
Best Form
Methylfolate (5-MTHF)
Zinc Picolinate
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★★
★★★★
Best Time
With food, preferably at breakfast
With food to reduce nausea
Upper Limit
1,000 mcg daily (upper tolerable intake)
40mg daily (long-term)
Side Effects
3 noted
3 noted

Folate (B9) Benefits

Supports DNA synthesis and cell division
Reduces homocysteine levels for cardiovascular health
Essential for foetal neural tube development
Enhances mood and supports cognitive function
Supports methylation and detoxification pathways

Zinc Benefits

Immune system support
Testosterone maintenance in men
Wound healing
Skin health (acne reduction)
Taste and smell function

Folate (B9) Side Effects

Nausea or gastrointestinal upset (typically at high doses)
Headaches or fatigue
Potential B12 deficiency masking with excessive supplementation

Zinc Side Effects

Nausea on empty stomach
Copper depletion with long-term use >40mg (supplement copper 1-2mg)
Metallic taste

Can You Take Folate (B9) and Zinc Together?

In most cases, Folate (B9) and Zinc 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.

Folate (B9): Anticonvulsant medications (phenytoin, phenobarbitone) reduce folate absorption

Folate (B9): Methotrexate antagonises folate metabolism

Zinc: Depletes copper — always supplement copper with long-term zinc

Zinc: Reduces iron absorption — take at different times

Which Should You Choose?

Choose Folate (B9) if your primary goal is: supports dna synthesis and cell division. Choose Zinc if your primary goal is: immune system support.

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Frequently Asked Questions

Is Folate (B9) better than Zinc?

It depends on your goals. Folate (B9) and Zinc serve different purposes and are often taken together.

Can I take Folate (B9) and Zinc together?

In most cases, yes. Folate (B9) and Zinc 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 Folate (B9)?

With food, preferably at breakfast

What is the best time to take Zinc?

With food to reduce nausea. Separate from iron and calcium.

What are the side effects of Folate (B9)?

Nausea or gastrointestinal upset (typically at high doses). Headaches or fatigue. Potential B12 deficiency masking with excessive supplementation.

What are the side effects of Zinc?

Nausea on empty stomach. Copper depletion with long-term use >40mg (supplement copper 1-2mg). Metallic taste.

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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