Does spirulina contain nickel? Uncovering the truth about heavy metal contamination
                                
                                
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                                    4 min read                                
                            
                                According to a 2013 study analyzing various commercial spirulina products, nickel concentrations were found to vary significantly between brands, from 0.211 to 4.672 mg/kg. While a natural component, this raises a crucial question for consumers: Does spirulina contain nickel in potentially harmful amounts and what should you look for to ensure product safety?