So long, spirulina? Knotted kelp adds nutrients, reduces salt & removes artificial flavours 10-Jul-2018 By Niamh Michail UK firm Seaweed & Co's wild harvested knotted kelp (Ascophyllum) beats spirulina for iodine, potassium, calcium and magnesium, and can reduce salt in packaged foods or replace artificial smoke flavours, it says.
