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Immune Ingredient References

Our formulations are created with carefully sourced, research-backed ingredients.

Carr, A. C., & Maggini, S. (2017). Vitamin C and Immune Function. Nutrients, 9(11), E1211.

Cherbut, C., Michel, C., Raison, V., Kravtchenko, T., & Severine, M. (2003). Acacia Gum is a Bifidogenic Dietary Fibre with High Digestive Tolerance in Healthy Humans. Microbial Ecology in Health and Disease, 15(1), 43–50.

Dardenne, M. (2002). Zinc and immune function. European Journal of Clinical Nutrition, 56(3), S20–S23.

Datta, D., Bhinge, A., & Chandran, V. (2001). Lysine: Is it worth more? Cytotechnology, 36(1–3), 3–32.

Hayamizu, K., Oshima, I., & Nakano, M. (2020). Comprehensive Safety Assessment of l-Lysine Supplementation from Clinical Studies: A Systematic Review. The Journal of Nutrition, 150(Suppl 1), 2561S-2569S.

Karsch-Völk, M., Barrett, B., & Linde, K. (2015). Echinacea for Preventing and Treating the Common Cold. JAMA, 313(6), 618–619.

Martineau, A. R., Jolliffe, D. A., Hooper, R. L., Greenberg, L., Aloia, J. F., Bergman, P., Dubnov-Raz, G., Esposito, S., Ganmaa, D., Ginde, A. A., Goodall, E. C., Grant, C. C., Griffiths, C. J., Janssens, W., Laaksi, I., Manaseki-Holland, S., Mauger, D., Murdoch, D. R., Neale, R., … Camargo, C. A. (2017). Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. BMJ (Clinical Research Ed.), 356, i6583.

Shah, S. A., Sander, S., White, C. M., Rinaldi, M., & Coleman, C. I. (2007). Evaluation of echinacea for the prevention and treatment of the common cold: a meta-analysis. The Lancet Infectious Diseases, 7(7), 473–480.

Vlachojannis, J. E., Cameron, M., & Chrubasik, S. (2010). A systematic review on the sambuci fructus effect and efficacy profiles. Phytotherapy Research: PTR, 24(1), 1–8.

NIH National Center for Complementary and Integrative Health. Elderberry. Updated August 2020.