Marine Phytoplankton - Deep Sea Treatment for Depression Adding a Marine Phytoplankton supplement to your diet may be able to help your mood, making it a strong addition to any depression diet treatment plan. A pilot study conducted at the University of Utah shows significant improvements in subjects’ depression symptoms after regularly taking this supplement. Specifically, participants reported feeling full of life, feeling lots of energy, and feeling calm and peaceful. The subjects who took the phtyoplankton supplement during this randomized, placebo-controlled study showed significant increases in scores on the emotional subscale of the SF36. The SF36 is a patient-reported survey used to determine a patient’s functional health and [...]