Levels * Current recommendations call for an intake of 400 IUs, or international units, for most people, twice that for the elderly. * Recommended blood levels are about 30 nanograms per milliliter. * Many researchers recommend consuming 1,500 to 2,000 IUs per day and attaining blood levels of 50 to 60 nanograms per milliliter.
If you want to add your voice and contribute to this existing news event, use the event code (Event Code: @609346), that you will find on each news event page, as the first word of the SMS or MMS message followed by a space then add your contribution (text, image or video). For example: @609346 This is an amazing video of Greg Norman hitting a hole-in-one in Sydney, Australia. The first word of the message should be @609346 (event code), to make sure the system attaches your voice to the right news event.
This beta report credibility rating is intended to help our community sort through uncensored citizen media reports. The credibility is based on community interaction and response, reporter reputation and the power of the Allvoices intelligent news analysis platform.
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