How much caffeine is in 8g of matcha? Your complete guide
                                
                                
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                                    5 min read                                
                            
                                According to research from 2022, matcha can contain between 18.9 and 44.4 milligrams of caffeine per gram. Based on this, a serving of 8g of matcha could contain anywhere from 152mg to over 350mg of caffeine, but the precise amount varies significantly based on factors like the grade and quality of the powder.