In a heterogeneous mixture this is not the case. Chicken soup is a heterogeneous mixture. Copper (II) nitrate is therefore a compound. However, dissolved in water, it forms a mixture of water molecules and ions.
Spirulina is a type of blue-green algae widely available in health-food stores as a dietary supplement. With a mineral-rich content, spirulina is high in calcium, iron, magnesium, potassium and zinc.It contains varying levels of iodine also.Some manufacturers market spirulina for thyroid support due to its iodine content. If you're considering taking spirulina specifically to benefit from its iodine content, there are some safety concerns for you to consider.ome manufacturers market spirulina for thyroid support due to its iodine content. If you're considering taking spirulina specifically to benefit from its iodine content, there are some safety concerns for you to consider.
According to MedlinePlus, spirulina is marketed as an alternative treatment for cardiovascular, digestive and immune system problems, but none of these claims are supported by scientific evidence. Like other sea vegetables such as seaweed, spirulina has a high concentration of iodine. If you have thyroid problems, talk to your doctor about what effect the iodine from spirulina supplementation may have on you.