According to Mountain
Rose Herbs they contain «Essential fatty acids alpha - linolenic
and linoleic acid, mucin, strontium, 30 % protein, vitamins A, B, E,
and D,
and minerals including calcium, phosphorus, potassium, sulphur,
iron, iodine, copper,
zinc, sodium, magnesium, manganese, niacin, thiamine, silicon,
and anti-oxidants.»