One of the more well-known trends is the #gallonofwateraday encouraging participants to drink one gallon, or 4.5 liters, of water per day ... fluid intake is about 3.7 liters of fluids per ...
TikToker Michelle Fairburn was hospitalized for what her doctor believed was severe sodium deficiency after participating in the 75 Hard challenge, which calls for drinking a gallon of water per ...