
Wed, Mar-10-10, 13:05
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Senior Member
Posts: 2,859
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Plan: Zero Carb All Meat
Stats: 202/165/165
BF:
Progress: 100%
Location: Montreal, Quebec, Canada
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Quote:
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Though D is thought to hold tremendous promise, we've been down this garden path before: Hopes for the powers of vitamin E, beta carotene, antioxidant vitamins, selenium and other nutrients collapsed under the weight of rigorous, randomized clinical trials.
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Those are fat soluble, so is vitamin D. Conventional dietary guidelines dictate the diet that will be used in clinical trials which test the potency of vitamin supplements. The current nutritional guidelines say that we must eat low fat high carb. It's only natural that fat soluble vitamins will test poorly with such a diet. In other words, we aren't actually testing the vitamin supplements but the diet's ability to provide the nutrients in the first place. However, since we don't test different diets with these supplements, or at least I presume that we don't, we can't really conclude anything from these types of trials. So if a vitamin D trial fails to show the supplement's potency, then we can blame the low fat diet for that failure and not the supplement itself.
As for the other nutrients like selenium given in the list of examples, I bet that if we look at the diet, we will find that it was a low fat high carb diet and that supplementing with selenium, or any other nutrient, will be that much more effective if the base diet is low carb high fat. But then again, cutting carbs already has such a significant effect on health.
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