Spirulina is a 100% natural, spiral shaped algae found in alkaline lakes and ponds with a great diversity of nutrients and proteins. Spring Leaf Spirulina 1200mg is enhanced with natural seaweed (kelp) extract to provide for more than 30% of the recommended daily intake of iodine.Spring Leaf – Spirulina also contains Chlorophyll and Phycocyanin. These help to boost your energy levels and support vitality. Phycocyanin is an anti-oxidant that can only be found in Spirulina. It also contains iron and fatty acids that are beneficial to women.