What Food is Highest in Lithium? Exploring Top Dietary Sources
                                
                                
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                                    4 min read                                
                            
                                According to a review in *Biological Trace Element Research*, nuts stand out as one of the food groups containing the highest concentration of naturally occurring lithium per gram of dry weight. Understanding what food is highest in lithium is complex, as concentrations vary dramatically based on geography and soil composition.