•  Helps eliminate air pollutants in the respiratory tract*
•  Supports your airway’s natural defenses against pollution-based damage*
•  Reduces oxidative stress in the respiratory system during challenges such as air pollution*
•  Supports breathing function*
•  Helps the body deal with mental stresses caused by air pollution*
•  Boosts lung function and lung tissue health*
•  Helps you breathe in air pollution conditions*
•  Educates, enhances, and balances the immune system with 4Life Transfer Factor Tri-Factor Formula*

**External links provided in 4Life blog posts are provided strictly as a courtesy to blog readers who may find the linked pages interesting. 4Life is not endorsing these websites or vouching for the accuracy of any information found on these external sites.

1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5805548/
2. https://www.merckmanuals.com/home/lung-and-airway-disorders/biology-of-the-lungs-and-airways/defense-mechanisms-of-the-respiratory-system

Broccoli
Egner, et al. (2014). Rapid and sustainable detoxication of airborne pollutants by broccoli sprout beverage: results of a randomized clinical trial in China. Cancer Prev Res (Phila) 7: 813-823
Okunade, et al. (2018). Supplementation of the Diet by Exogenous Myrosinase via Mustard Seeds to Increase the Bioavailability of Sulforaphane in Healthy Human Subjects after the Consumption of Cooked Broccoli. Mol Nutr Food Res 62: e1700980.
Fahey, et al. (2015). Sulforaphane Bioavailability from Glucoraphanin-Rich Broccoli: Control by Active Endogenous Myrosinase. PLoS One 10: e0140963

N-acetyl L-cysteine
Bridgeman, et al. (1991). Cysteine and glutathione concentrations in plasma and bronchoalveolar lavage fluid after treatment with N-acetylcysteine. Thorax 46: 39-42
Carlsten, et al. (2014). Antioxidant N-acetylcysteine diminishes diesel exhaust-induced increased airway responsiveness in person with airway hyper-reactivity. Toxicol Sci 139: 479-487.

Black cumin
Tavakkoli, et al. (2017). Black Seed (Nigella Sativa) and its Constituent Thymoquinone as an Antidote or a Protective Agent Against Natural or Chemical Toxicities. Iran J Pharm Res 16: 2-23.
Bin Sayeed, et al. (2013). The effect of Nigella sativa Linn. seed on memory, attention and cognition in healthy human volunteers. J Ethnopharmacol 148: 780-786.

Thyme
European Union herbal monograph on Thymus vulgaris L. or Thymus zygis L. European Medicines Agency, Science Medicines Health. April 5th, 2016.
Begrow, et al. (2010). Impact of thymol in thyme extracts on their antispasmodic action and ciliary clearance. Planta Med 76: 311-318.

Ginseng
WHO monographs on selected medicinal plants. Geneva, 1999: Vol 1, p. 168-182
Natural Health Product: Panax ginseng. Health Canada, Aug 28, 2018
Kim HG, et al. (2013). Antifatigue effects of Panax ginseng C.A. Meyer: a randomised, double-blind, placebo-controlled trial. PLoS One 8: e61271.
Lee, et al. (1998). Inhibition of oxidative DNA damage, 8-OHdG, and carbonyl contents in smokers treated with antioxidants (vitamin E, vitamin C, beta-carotene and red ginseng). Cancer Lett 132: 219-227.

Fruit extracts
Bonina, et al. (2008). Protective effects of a standardised red orange extract on air pollution-induced oxidative damage in traffic police officers. Nat Prod Res 22: 1544-1551.
Riso, et al. (2005). Effects of blood orange juice intake on antioxidant bioavailability and on different markers related to oxidative stress. J Agric Food Chem 53: 941-947
Wang, et al. (1997). Oxygen Radical Absorbing Capacity of Anthocyanins. J Agric Food Chem 45: 304-309.