Common responses include handing out vitamin pills and fortifying common foods with micronutrients (such as putting iodine in salt).

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Some vitamin pills can be crushed and swallowed or mixed with food, although they may taste bitter because they are designed to be swallowed whole and not tasted.

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The dose they employed - up to four grams per kilo of bodyweight - was far greater than any that could be achieved using diet or vitamin pills, as the digestive system does not absorb more than a fixed amount taken orally.

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This study on 95 patients, conducted at hospitals across London, combined antibiotics with vitamin D pills.

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Proving vitamin D prevents nonbone diseases will require big human trials comparing vitamin D supplements with dummy pills.

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According to the study, the most variability was found in pills and capsules containing 1000 ius of vitamin D3, so it might make sense to purchase lower dosage pills (and then take more of them).

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Moreover, other vitamin supplements, like fish oil pills, were not related to autism rates.

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Other hormetic agents are, in mild doses, sunlight (vitamin D), fasting (calorie restriction) and their molecular mimic, red wine (resveratrol pills).

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