Halibut is a fish that makes it into our top 10 magnesium foods, as is the sweetener blackstrap molasses. ... spelt, buckwheat, brown rice, quinoa, and millet also rank in our top 25 magnesium foods.if you can not work these into your diet in an effective way, you could try taking one (or two) of these per day in addition to a magnesium-rich diet:http://www.iherb.com/Kirkman-Labs-Magne ... ules/432