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Nature's Way Echinacea and Goldenseal, 450 mg, 180 Capsules
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Top Customer Reviews
This is the paper in question: [...]
As a statistician I need to point out that while the Conclusion states "not statistically significant" the results were VERY closely significant. "A comparison of the 2 blinded groups showed a 28-point trend (95% CI, -69 to 13 points) toward benefit for echinacea (P = 0.089)." Also "A comparison of the blinded groups showed a nonsignificant 0.53-day (CI, -1.25 to 0.19 days) benefit (P = 0.075)." The two p values, 0.089 and 0.075 are VERY close to the 0.05 cut-off that is used to say something is "statistically significant". In the paper itself is this quote in the Discussion "Although these results do not allow us to reject the null hypothesis and confidently claim evidence of benefit, data are also insufficient to exclude the possibility of a clinically significant effect."
In other words, this study wasn't conclusive either way.
The final number of subjects in the study were a few short of the number calculated to be needed to find significant differences in the study. This can make a difference in whether the findings are "statistically signifcant". The authors admit this in the discussion, saying the study was "underpowered" and more subjects should have been entered. Also, the subjects arrived at the clinic already sick. All anecdotal reports show that echinacea is most effective taken very early on in the illness.
In the interest of truth I would also like to point out that the study was NOT funded by Big Pharma but by federal grant money from the NIH Institute for Complementary Medicine.Read more ›
Read about those big pharma-sponsored studies that say echinacea doesn't work. For about $0.50, it sure did. (Just from a few pills, not whole bottle).
Other ingredients: gelatin. -- That's it - no fillers, coloring agents...
Most Recent Customer Reviews
I"ve been using this Echinacea Goldenseal along with Myrrh Gum for more than 5 years for immune support. I haven't had a flu for years (and I don't take flu shots). Read morePublished 4 days ago by N Witt
I try to always take this with a meal, but it still causes pretty nasty burps. I can say nothing as far as its effectiveness. I take it anyway.Published 8 days ago by Your Mom
My wife uses this to prevent colds and treat allergies. She swears by itPublished 1 month ago by Paul D.
Anytime I feel like I am about to fall sick this is my miracle pill and I instantly feel goodPublished 1 month ago by sunita varma
great for staying healthy during cold season. or if you are already sick they help you get better fasterPublished 1 month ago by Naomi B.