Can Humans Eat Cobalt? The Facts on Toxicity vs. Essential Nutrients
                                
                                
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                                    5 min read                                
                            
                                The human body contains a very small amount of cobalt, an essential trace mineral, but with a crucial distinction. While a microscopic quantity of cobalt is vital for health as a component of vitamin B12, intentionally eating the metallic or inorganic form is highly toxic and dangerous.