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Immune Cold & Flu, 60 Caps

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An immune supporting supplement with key antioxidants, respiratory and cold and flu supporting formula. 


  • Immunity – Colds, Flus, Respiratory Health and Allergies  
  • Stress – Adaptogens help to reduce the effects of stress on the body 
  • Detoxification – NAC supports the production of glutathione the body’s master antioxidant.

Feature Ingredients

  • NAC is the foundation of this formula that is an antioxidant that has been clinically proven to reduces flu symptoms and supports respiratory health by helping to break up mucus and clear it from the airways.2-5  
  • Additional immune supporting ingredients include astragalus, quercetin, goldenseal, andographis, elderberry, Echinacea, and a combination of four medicinal mushrooms

Immune – Cold & Flu is a professionally formulated synergistic blend of carefully selected and well- researched nutraceuticals that support immune health and reduce the effects stress on the body. 

  • N-Acetyl-L-Cysteine (NAC) is an antioxidant supporting the production of the body's master antioxidant glutathione to promote detoxification.1 NAC has immunomodulating and anti-inflammatory effects. It reduces flu symptoms and supports respiratory health by helping to break up mucus and clear it from the airways.2-5  
  • Astragalus is a traditional Chinese herb that supports immunity, white blood cells, and balances excess cortisol due to chronic stress.6,7  
  • Quercetin, a flavonoid antioxidant helps to reduce the risk of infections including the flu, allergies, cancer, inflammatory condition and cardiovascular disease by inhibiting lipid peroxidation, platelet aggregation and capillary permeability.8,9 It also has been found to improve mental/physical performance.10 
  • Andographis also is known as “Indian Echinacea” has antioxidant, anti-inflammatory and antiviral properties that can shorten the severity and duration of common colds.11 A review in 2017 of 33 previously published clinical trials has found that andographis may also be beneficial for relieving symptoms of acute upper respiratory tract infections.11  
  • Elderberry contains anthocyanin which is an antioxidant, antiviral agent, anti-inflammatory and may prevent or reduce the severity of certain common infections. It is believed to reduce upper-airway symptoms, reduce the severity and duration of infections especially if taken within the first 48 hours.12,13  
  • Echinacea contains flavonoids, cichoric acid and rosmarinic acid that contributes to its health benefits which include improved immunity, reduced inflammation, and ability to help lower blood sugar levels.14 A review of 14 studies found that it may lower the risk of developing colds by more than 50% and shorten the duration of colds by one and a half days.15 
  • Four Medicinal Mushrooms have been arduously selected that support immune function by enhancing white blood cells are rich in nutrients like vitamin B5, copper, selenium, beta-glucans and are adaptogens that reduce the effects of stress on the body. These include the Asian mushrooms cordyceps16,17, maitake18,19, reishi20,21, and shiitake.22 

Enjoy your fall and winter and if the occasional cold/flu virus gets you down, return to well-being with our Professional Immune – Cold & Flu support.  

Serving Size: 2 Vegetarian Capsules

Servings per Container: 60

Medicinal Ingredients

Each Vegetable Capsule Contains: 

N-Acetyl-L-Cysteine (NAC)  

200 mg 

Astragalus (Astragalus membranaceus) root extract, 1% isoflavones 50% polysaccharides 

100 mg 

Echinacea angustifolia 6:1    

16.7 mg (equivalent to 100mg of dried herb) 

Quercetin 99% (Sophora jpaonica) 

75 mg 

Andrographis (Andrographis paniculata) aerial parts extract, 30% andrographolides 

50 mg 

European elderberry (Sambucus nigra) fruit extract, 13% anthocyanosides 

50 mg 

Goldenseal (Hydrastis canadensis) root extract, 5% alkaloids 

50 mg  

Maitake extract (Grifola frondosa), 40% polysaccharides 

10 mg 

Reishi extract (Ganoderma lucidum), 40% polyssacharides 

10 mg 

Shiitake extract (Lentinula edodes), 40% polyssacharides 

10 mg 

Cordyceps mushroom (Cordyceps sinensis), 7% 

10 mg 

Non-Medicinal Ingredients

GMO vegetarian capsules composed of vegetable hypromellose, and purified water.  


Contains No: Added: dairy, corn, eggs, fish,  wheat, gluten, shellfish, animal products, salt, soy, tree nuts, or GMOs. Suitable for vegetarians/vegans.  

Recommended Use

Adults 19+: 2 capsules 1x daily between meals, increase to 2x daily at the onset of cold/flu symptoms or as directed by your health-care practitioner. Use for a minimum of 1 week to see beneficial effects. Consult a health-care practitioner for use beyond 10 days. 

Revivelife Advantage

Immune Cold & Flu provides researched antioxidants, immune and supporting herbs that complement each other to provide you extra support for colds & flus in an easy-to-use supplement.


Do not use if you are hypersensitive or allergic to any of the ingredients, pregnant or breast-feeding. Avoid alcohol and sedatives with use.  


Consult a health care practitioner prior to use if you are taking any medications, or if you have any pre-existing condition including but not limited to: autoimmune disorder, bleeding disorder, kidney or liver disorder, asthma, diabetes, blood pressure problems or have a progressive systemic disease such as tuberculosis, leucosis, collagenosis, multiple sclerosis, AIDS and/or HIV infection.  N-acetyl cysteine may cause hypotension and headaches when taken with nitroglycerin. Discontinue 2 weeks prior to any scheduled surgery.  

Side Effect Risks 

Discontinue use and consult a healthcare practitioner if symptoms persist, worsen or you develop any reactions which may include: allergy or intolerance, digestive (constipation, diarrhoea, nausea, vomiting), rashes, sun sensitivity, fever, headache, drowsiness, low blood pressure, low blood sugar, kidney stones, and/or liver concerns.  Keep out of reach of children. Sealed for your protection. Do not use if seal is broken. For freshness, store in a cool, dry place. 


The information and product descriptions that appear on this website are for information and educational purposes only and are not intended to provide or replace medical advice to individuals from qualified health care professionals. Consult your physician if you have any health concerns, and before initiating any new dietary, exercise, supplements or other lifestyle changes.  


  1. Dodd S, Dean O, Copolov DL, Malhi GS, Berk M. N-acetylcysteine for antioxidant therapy: pharmacology and clinical utility. Expert Opin Biol Ther. 2008 Dec;8(12):1955-62. 
  2. De Flora S, Grassi C, Carati L. Attenuation of influenza-like symptomatology and improvement of cell-mediated immunity with long-term N-acetylcysteine treatment. Eur Respir J. 1997 Jul;10(7):1535-41. 
  3. Lai ZW, Hanczko R, Bonilla E, et al. N-acetylcysteine reduces disease activity by blocking mammalian target of rapamycin in T cells from systemic lupus erythematosus patients: a randomized, double-blind, placebo-controlled trial. Arthritis Rheum. 2012 Sep;64(9):2937-46. 
  4. Sutherland ER, Crapo JD, Bowler RP. N-acetylcysteine and exacerbations of chronic obstructive pulmonary disease. COPD. 2006 Dec;3(4):195-202. 
  5. Demedts M, Behr J, Buhl R, et al. for the IFIGENIA Study Group. High-dose acetylcysteine in idiopathic pulmonary fibrosis. Engl J Med. 2005;353(21):2229–2242. 
  6. Zhao, K. S., Mancini, C., and Doria, G. Enhancement of the immune response in mice by Astragalus membranaceus extracts. Immunopharmacology 1990;20(3):225-233 
  7. Mao XF, et al, Effects of Beta-Glucan Obtained From the Chinese Herb Astragalus Membranaceus and Lipopolysaccharide Challenge on Performance, Immunological, Adrenal, and Somatotropic Responses of Weanling Pigs, J Anim Sci Dec 2005, 83(12), 2775-82 
  8. Yao L, et al, Quercetin, Inflammation and Immunity, Nutrients 2016 Mar; 8(3):167 
  9. Aguirre L., Arias N., Macarulla M.T., Gracia A., Portillo M.P. Beneficial effects of quercetin on obesity and diabetes. Open Nutraceuticals J. 2011;4:189–198. 
  10. Davis J.M., Murphy E.A., Carmichael M.D. Effects of the dietary flavonoid quercetin upon performance and health. Curr. Sports Med. Rep. 2009;8:206–213.  
  11. Hu XY, Wu RH, Logue M, et al. Correction: Andrographis paniculata (Chuān Xīn Lián) for symptomatic relief of acute respiratory tract infections in adults and children: A systematic review and meta-analysis. 
  12. Hawkins J, Baker C, Cherry L, Dunne E. Black elderberry (Sambucus nigra) supplementation effectively treats upper respiratory symptoms: A meta-analysis of randomized, controlled clinical trials. Complement Ther Med. 2019;42:361–365. 
  13. Tiralongo E, Wee S, Lea R. Elderberry supplementation reduces cold duration and symptoms in air-travellers: A randomized, double-blind placebo-controlled clinical trial. Nutrients. 2016;8(4):182 
  14. Melchart D, et al, Immunomodulation with Echinacea – a systematic review of controlled clinical trials. , Phytomedicine 1994 Dec; 1(3):245-54 
  15. Shah SA, et al, Evaluation of Echinacea for the prevention and treatment of the common cold: a meta-analysis, Lancet Infect Dis 2007 Jul;&(7):473-8 
  16. Tan N-Z, et al, The lifespan-extending effect of Cordyceps sinensis Cs-4 in normal mice and its molecular mechanisms, FASEB J, Retrieved 4,2,20 
  17. Li XT, et al, Protective effects on mitochondria and anti-aging activity of polysaccharides from cultivated fruiting bodies of Cordyceps militaris. Am J Chin Med 2010; 38(6): 1093-106 
  18. Vetvicka V and Vetvickova J, Immune-enhancing effects of Maitake (Grifola frondosa) and Shiitake (Lentinula edodes) extracts, Ann Transl Med. 2014 Feb; 2(2): 14 
  19. Roman BE, Beli E, Duriancik DM, et al. Short-term supplementation with active hexose correlated compound improves the antibody response to influenza B vaccine. Nutr Res 2013;33:12-7. ; Novak M, Vetvicka V.Beta-glucans, history, and the present: immunomodulatory aspects and mechanisms of action. J Immunotoxicol 2008;5:47-57. 
  20. Cheng, CH, et al, The effects of two different ganoderma species (Lingzhi) on gene expression in human monocytic THP-1 cells., Nutr Cancer 2010; 62(5): 648-58 
  21. Gao Y, et al, Effects of ganopoly (a Ganoderma lucidum polysaccharide extract) on the immune functions in advanced-stage cancer patients., Immunol Invest 2003 Aug; 32(3):201-15 
  22. Dai X, et al, Consuming Lentinula edodes (Shiitake) Mushrooms Daily Improves Human Immunity: A Randomized Dietary Intervention in Healthy Young Adults. J Am Coll Nutr 2015; 34(6): 478-87