Is there L-theanine in milk tea?
                                
                                
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                                    4 min read                                
                            
                                While tea is a well-known source of the amino acid L-theanine, research indicates that adding large quantities of milk can reduce its detectable levels. Many people wonder if the popular beverage milk tea, which often includes a significant amount of milk, still provides a notable amount of this calming compound. This article delves into how L-theanine gets into your cup and what happens when milk is added to the mix.