Expert vitamin D advocates recommend obtaining an average of 4,000 International Units (I.U.) per day of vitamin D. You can easily bag 5,000 – 10,000 I.U. during a single half-hour sunbathing session in the summertime. In the wintertime, I recommend supplementing with 2,000 I.U. of vitamin D per day.

He is a proponent of magnesium supplementation. Our ability to buffer magnesium with healthy kidneys is very high. He takes 600 to 800 mg per day, alternating between mag sulfate and mag oxide. He also takes calcium carbonate 2 times per week. Two of his favored brands are Jarrow Formulas and NOW Foods.