Pain Level vs Serum Level

Using data provided by participants in the D*action study, GrassrootsHealth was able to compare 25(OH)D serum levels with location and severity of pain as reported by participants. The average pain rating went down from a rating of 3.7 to 3.1 (16 % decrease) as serum levels rose from less than 15 ng/ml to greater than or equal to 75 ng/ml. Please note, we are still recommending a serum level range of 40-60 ng/ml (100-150 nmol/L).

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