He is the Co-founder and Chairman of O'Leary Funds and the co-founder of Softkey. He has also previously served as a business journalist on CBC 's The Lang and O'Leary Exchange with Amanda Lang and hosted Redemption Inc.ailed as Canada's business equivalent of Donald Trump, O'Leary is one of Canada's most prominent entrepreneurs, investors, and financial pundits.
When calcium is low and/or a person has symptoms of vitamin D deficiency, such as bone malformation in children (rickets) and bone weakness, softness, or fracture in adults (osteomalacia), 25-hydroxyvitamin D usually is ordered to identify a possible deficiency in vitamin D.
I encourage everyone to get their Vitamin D Level checked because up to 85% of the population has a Low Vitamin D Level, and most people are absolutely shocked at HOW LOW their vitamin d level is. Then the next question from them is, Why Do I have Vitamin D Deficiency!. Eating a very low fat diet-vitamin d is fat soluble and you must have fat to absorb it. 2  Having very dark skin-blocks the UV rays from reaching the cells that make vitamin d in the skin. 3  Living in the far North (or far South in the Southern Hemisphere).