In "The No Grain Diet" Dr. Mercola advises taking a teaspoon of cod liver oil per 100 pounds of body weight if you're not having vitamin D levels tested, and a teaspoon per 50 pounds of body weight if you are having D levels tested. He writes that you can overdo vitamin D if you get enough sunlight and supplement with cod liver oil.

Isn't it amazing how the lemon oil masks the fish taste? It's so much better than burping fish for hours.