SP
StackPedia
All Comparisons

Pea Protein vs Vitamin B12 — Which Should You Take?

Pea Protein

amino acids

Typically £8–£25/month

Vitamin B12

vitamins

Typically £8–£25/month
Feature
Pea Protein
Vitamin B12
Typical Dosage
20-30g per serving
500-1,000mcg daily
Best Form
Pea Protein Isolate
Methylcobalamin
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★
★★★★
Best Time
Post-workout or with meals for optimal absorption
Morning — may be energising
Upper Limit
50g per day
No established upper limit (water-soluble)
Side Effects
2 noted
2 noted

Pea Protein Benefits

Supports muscle growth and recovery with all nine essential amino acids
Promotes satiety and supports weight management goals
Hypoallergenic alternative to common protein allergens
Supports cardiovascular health and blood pressure regulation
Easy digestion with minimal gastrointestinal distress

Vitamin B12 Benefits

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

Pea Protein Side Effects

Bloating and digestive discomfort in sensitive individuals
Mild flatulence due to oligosaccharide content

Vitamin B12 Side Effects

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

Can You Take Pea Protein and Vitamin B12 Together?

In most cases, Pea Protein 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.

Pea Protein: May reduce absorption of certain minerals if consumed in excessive quantities

Pea Protein: No significant interactions with common medications

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

Vitamin B12: Proton pump inhibitors (PPIs) reduce absorption

Which Should You Choose?

Choose Pea Protein if your primary goal is: supports muscle growth and recovery with all nine essential amino acids. Choose Vitamin B12 if your primary goal is: energy production.

Affiliate links — we may earn a small commission at no extra cost to you.

Frequently Asked Questions

Is Pea Protein better than Vitamin B12?

It depends on your goals. Pea Protein and Vitamin B12 serve different purposes and are often taken together.

Can I take Pea Protein and Vitamin B12 together?

In most cases, yes. Pea Protein 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 Pea Protein?

Post-workout or with meals for optimal absorption

What is the best time to take Vitamin B12?

Morning — may be energising

What are the side effects of Pea Protein?

Bloating and digestive discomfort in sensitive individuals. Mild flatulence due to oligosaccharide content.

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.

Related Comparisons

Popular Supplements on Amazon

As an Amazon Associate we may earn from qualifying purchases.