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Home > Anti-aging Research > Echinacea

Echinacea (Echinacea spp.)

Specific Recommendations:

General Information:

News & Research:

Abstracts:

  • Echinacea purpurea Protects Against Restraint Stress-Induced Immunosuppression in BALB/c Mice - J Med Food. 2018 Mar;21(3):261-268 - "Echinacea significantly normalized the restraint stress-induced reduction in splenocyte proliferation and splenic natural killer (NK) cell activity (P < .05). Echinacea treatment significantly increased the percentages of CD4+ and CD8+ T lymphocytes in the blood (P < .05). In addition, Echinacea restored serum cytokine levels, including interleukin-6 (IL-6), interleukin-10 (IL-10), and interleukin-17 (IL-17), as well as the mRNA expressions of these cytokines in spleen (P < .05). Our findings suggest that Echinacea might have beneficial effects on restraint stress-induced immunosuppression by increasing splenocyte proliferation and NK cell activity, while modulating T lymphocyte subsets and cytokine levels in the blood" - [Nutra USA] - See echinacea suoolements at Amazon.com.
  • Echinacea Reduces the Risk of Recurrent Respiratory Tract Infections and Complications: A Meta-Analysis of Randomized Controlled Trials - Adv Ther. 2015 Mar 18 - "Six clinical studies with a total of 2458 participants were included in the meta-analysis. Use of echinacea extracts was associated with reduced risk of recurrent respiratory infections (RR 0.649, 95% CI 0.545-0.774; P < 0.0001) ... Three independent studies found that in individuals with higher susceptibility, stress or a state of immunological weakness, echinacea halved the risk of recurrent respiratory infections (RR 0.501, 95% CI 0.380-0.661; P < 0.0001). Similar preventive effects were observed with virologically confirmed recurrent infections (RR 0.420, 95% CI 0.222-0.796; P = 0.005). Complications including pneumonia, otitis media/externa, and tonsillitis/pharyngitis were also less frequent with echinacea treatment (RR 0.503, 95% CI 0.384-0.658; P < 0.0001)" - See Echinacea goldenseal at Amazon.com.
  • Echinacea and Truth in Labeling - Arch Intern Med. 2003 Mar 24;163(6):699-704 - "Of the samples, 6 (10%) of 59 preparations contained no measurable Echinacea. The assayed species content was consistent with labeled content in 31 (52%) of the samples. Of the 21 standardized preparations, 9 (43%) met the quality standard described on the label. Labeled milligrams were weakly associated with measured constituent" - That's probably one reasons for conflicting studies on echinacea. - Ben
  • Echinacea root extracts for the prevention of upper respiratory tract infections: a double-blind, placebo-controlled randomized trial - Arch Fam Med. 1998 Nov-Dec;7(6):541-5