What does Hi Seltzer have in it? A Complete Guide to Ingredients and Effects
                                
                                
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                                    4 min read                                
                            
                                Hi Seltzer contains a short and simple list of just three ingredients: carbonated water, natural flavors, and hemp-derived THC. For consumers asking what does Hi Seltzer have in it, the clean, zero-sugar, and zero-calorie formula is a key part of its appeal as an alcohol-free alternative.