Vitamin B12 for Vegans: Why It Matters and How to Get Enough

Vitamin B12 for Vegans: Why It Matters and How to Get Enough

Vitamin B12: An Essential Nutrient for Optimal Health – Especially for Vegans

Vitamin B12, also known as cobalamin, is one of the eight vital B vitamins needed for a healthy body and mind. As a water-soluble vitamin, it plays a critical role in neurological health, red blood cell production, DNA synthesis, and the metabolism of fatty acids and amino acids. Without enough B12, our bodies cannot function at their best – making it a nutrient that deserves special attention, particularly for vegans and those at risk of deficiency.

Why Vitamin B12 Matters

Vitamin B12 supports a wide range of essential functions, including:

  • Nurturing a healthy nervous system
  • Forming red blood cells and preventing anaemia
  • Supporting DNA synthesis and cell division
  • Metabolising fatty acids and amino acids
  • Boosting stamina and energy levels
  • Promoting brain health and cognitive performance
  • Supporting gut health and nutrient absorption
  • Natural Sources of Vitamin B12

B12 is naturally found in animal-based foods such as poultry, fish, eggs, meat, and dairy. Rich sources include beef, salmon, sardines, shellfish, and tuna. For those following a vegan or vegetarian lifestyle, fortified foods – such as plant-based milks, breakfast cereals, nutritional yeasts, and bakery products – provide an essential alternative.

Who Is at Risk of B12 Deficiency?

Certain groups are more vulnerable to Vitamin B12 deficiency, including:

  • Older adults – due to reduced stomach acid production.
  • Pregnant and breastfeeding women – because of increased nutritional needs.
  • Vegans and vegetarians – due to limited natural dietary sources.
  • People with malabsorption conditions – such as pernicious anaemia or gastrointestinal issues.
  • Medication users – including those taking metformin, antacids, or proton pump inhibitors.
  • Heavy alcohol consumers – as alcohol interferes with nutrient absorption.

Signs of Vitamin B12 Deficiency

Deficiency can appear gradually and may include:

  • Persistent fatigue and weakness
  • Memory lapses and poor concentration
  • Numbness or tingling in hands and feet
  • Low mood or anxiety
  • Oral ulcers, glossitis, or pale skin
  • Digestive issues such as nausea and diarrhoea
  • Anaemia and related complications

Ensuring Adequate B12 Intake

For optimal health, it is vital to include reliable sources of B12. While fortified foods, nutritional yeast, and some fermented foods (like tempeh) or mushrooms (such as shiitake) can help, supplementation is the most consistent and dependable method, especially for vegans.

At The Good Guru, we’ve created supplements designed to support plant-based lifestyles, including:

  • Vegan Collagen
  • Green Superfood
  • Multivitamins enriched with Vitamin B12

Choosing the right supplement helps bridge nutritional gaps, ensuring you stay energised, focused, and resilient every day.


Disclaimer: The information in this article is for educational purposes only and not a substitute for professional medical advice. Please consult a healthcare provider before starting any supplement, especially if pregnant, breastfeeding, or under medical treatment.

Written by Dr Rubbina Shaikh – Ayurvedic Consultant, Health Expert & Lifestyle Advisor

Back to blog