Organic B12 (from S. cerevisiae)
A natural, vegan-friendly source of Vitamin B12 from nutritional yeast.
Also known as: Nutritional Yeast B12 • Yeast-Based B12
Overview
Organic B12 from Saccharomyces cerevisiae (nutritional yeast) is a vegan-friendly form of Vitamin B12. It is produced by fermenting yeast in a B12-rich medium. This form of B12 is highly bioavailable and provides the essential functions of B12, including energy production, red blood cell formation, and neurological function.
Key Benefits
Boosts Energy Levels
Vitamin B12 is crucial for converting food into energy, helping to reduce fatigue and improve stamina.
Supports Nervous System Health
It plays a vital role in the maintenance of the myelin sheath, which protects nerve fibers and ensures proper nerve function.
Aids in Red Blood Cell Formation
B12 is essential for the production of healthy red blood cells, which carry oxygen throughout the body.
Dosage & How to Take
The recommended daily intake of Vitamin B12 for adults is 2.4 mcg. However, supplements often contain higher doses, from 10 mcg to 1000 mcg, to ensure adequate absorption.
| Purpose | Dose | Notes |
|---|---|---|
| General Health | 10-50 mcg | A daily dose to prevent deficiency. |
| Addressing Deficiency | 500-1000 mcg | Higher doses may be needed for those with a diagnosed deficiency, under medical supervision. |
Best Time to Take
Can be taken at any time of day.
With or Without Food
Can be taken with or without food.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Fortified Nutritional Yeast | High | Adding a cheesy, savory flavor to foods | A popular vegan food product. |
| Capsules/Tablets | High | Convenient and precise dosing | Available in various strengths. |
Side Effects & Safety
Common
- None in most people.
Rare
- Acne-like breakouts in some individuals at very high doses.
Contraindications
- None known.
Interactions
Long-term use of metformin can interfere with B12 absorption.
These medications can reduce stomach acid, which is needed for B12 absorption from food.
Scientific Research
Vitamin B12 sources and bioavailability
Vitamin B12 from fortified foods like nutritional yeast is well-absorbed by the body.
The role of vitamin B12 in the critically ill—a review
Vitamin B12 is essential for numerous metabolic processes and its deficiency can have severe consequences.
Food Sources
Products With Organic B12 (from S. cerevisiae)
1 product in our database contains this ingredient
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.