I only add 3 drops to a 16 ounce water ...
I only add 3 drops to a 16 ounce water bottle along with 3 drops of liquid minerals. the combo in every bottle of water I drink seems to keep me alert and able to recall more consistently. I will continue.  0f the 4 bottles that come in one packet, 1 had leaked out completely.
Rating: 5 stars