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Table 3 VAS pain results for Neuragen PN® and the placebo where SE stands for standard error of the mean.

From: The effect of Neuragen PN® on Neuropathic pain: A randomized, double blind, placebo controlled clinical trial

Treatment Time Mean SE
Neuragen PN® Pre 4.7 0.2
Placebo Pre 4.2 0.2
Neuragen PN® Post 2.53 0.2
Placebo Post 3.98 0.2
  1. There was an overall pain reduction for both treatments from pre to post application. Further, Neuragen PN® had significantly greater pain reduction effects than the placebo (p < .05)