How much of the marine-phytoplankton are you getting per dose? Customer Service November 08, 2016 20:02 1 oz. contains 10.5g (10,500mg) of Pure Whole Live Marine Phytoplankton Providing 350 mg per day/serving x 30 Day Supply Related articles How Long and How Often Can I Take Oceans Alive? Will the dropper pipette last as long as the product? I am pregnant. Can I safely use marine phytoplankton? How is Oceans Alive kept perfectly fresh at room temperature even in the raw unprocessed state? How safe is the marine phytoplankton from ocean pollution? Comments 0 comments Please sign in to leave a comment.