Despite this, cyanocobalamin has been increasingly criticised in recent years, due to the following reasons: Toxicity: cyanocobalamin is often claimed to be toxic, as the cyano group form the poison cyanide
Individuals with gastrointestinal conditions Crohns disease, celiac disease, and other inflammatory bowel conditions impair absorption
Immune and Cellular Support Glutamine is critical for immune health, especially during recovery from illness or surgery
Older adults, vegetarians, vegans, and people with digestive problems that can impede nutrient absorption are at a higher risk of vitamin B12 deficiency and need to supplement
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Because B12 is mostly in animal products, Vegans are at risk, as their diet is plant-based and they should look for foods fortified with vitamin B12