Pseudovitamin B12 Is the Predominant Cobamide of an Algal Health Food, Spirulina Tablets | Journal of Agricultural and Food Chemistry
Pseudovitamin B12 and factor S are the predominant corrinoid compounds in edible cricket products - ScienceDirect
Full article: Vitamin B12 status in health and disease: a critical review. Diagnosis of deficiency and insufficiency – clinical and laboratory pitfalls
Molecules | Free Full-Text | Vitamin B12 in Foods, Food Supplements, and Medicines—A Review of Its Role and Properties with a Focus on Its Stability
Vitamin B12 Sources and Bioavailability - Fumio Watanabe, 2007
Characterization of Vitamin B12 Compounds in Fermented Poultry Manure Fertilizers
11.2 Vitamin B12 | Nutrition Flexbook
Vitamin B12 absorption and malabsorption - ScienceDirect
Warning Signs That You Have a B12 Deficiency - DrJockers.com