Pure Grow ICE Kelp: (food source): This is the best kelp on the market and it is certified organically grown. This Icelandic kelp is processed in a state of the art plant that is built on the edge of the fjord from which the kelp is harvested. This kelp is literally packed within hours of being removed from the sea. Kelp is a powerful, natural source of plant growth hormones. Pure Grow ICE Kelp is premium liquid kelp with minerals from the sea. Pure Grow ICE Kelp is processed using zero heat or harsh chemicals and is formulated to be more concentrated than other liquid kelp products on today’s market.