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Questionnaires Now Optional with D*action Testing

The D*action questionnaire is now optional, yet strongly recommended and appreciated; learn what other options are available to you   At GrassrootsHealth, your participation drives our mission of advancing vitamin D advocacy and education....

Making RCTs Work for (or Against) Vitamin D

How randomized controlled trials can lead to false conclusions about the effects of vitamin D, and what must happen to prevent it Key Points In the medical science world, data from randomized controlled trials...