Call Me on 02 9979 9888

Australia and indeed the world has been swept up in fears surrounding COVID-19 otherwise known as Corona virus. I have copied an interesting email I received today with the latest research below. If you are concerned please come in and make an appointment to discuss immune support. I have had many calls over the last few days about what you should be taking. I will say that it is very individual. The virus seems to be more of a risk for older people just like seasonal influenza. There was actually a Naturopath on the TV last night talking about immune support and what you can do to support your immunity (it is nice to know we are useful to the media sometimes :)) But in fact none of the things we have suggested have changed from last flu season.

Here are my top 5 supplements to support your immune system:

  1. Vitamin D (see my blog here) 

  2. Vitamin C (link here)

  3. Zinc

  4. Elderberry syrup (link here)

  5. Vitamin A

Also lets not forget a good nights sleep! Adequate rest is vital, as is reducing stress. Stress can suppress our immune system. It may be impossible to reduce all the stress in your life but some herbal medicines and nutritional supplementation can ease your stress response by supporting the adrenals system. Herbs like Rehmania, Licorice, Withania, Medicinal Mushrooms, B Vitamins and Magnesium can be very useful here. This is why i always say come in for an individual assessment to make sure you get what YOU need.

If you would like a tailored immune herbal mix please give me a ring or drop into our NEW COMMUNITY OPEN MORNING for drop in HERBAL MEDICINES 11-12 AM EVERY THURSDAY or buy ONLINE HERE>

If you are a patient we can set you up with easy online ordering for the supplements mentioned above, no need to come in and we can send out Elderberry or herb mixes via the post.

Call us 02 9979 9888


Stay Well ! (and please stop buying all the toilet paper :))

Fin Mackenzie – Naturopath & Herbalist

BHSc(CompMed), ADNat, DNut, DRM, MATMS

Green Door Health 
Herbal Apothecary & Clinic –  24/12-14  Waratah St, Mona Vale, NSW 2103 Australia

Here is a very interesting email I received today from Biomedica, a well respected practitioner company which has the facts about corona virus plus what we know so far…

Dear Patients,

It would not be unreasonable to assume that by the time this piece is written our understanding of COVID-19 would have changed. There’s nothing like the threat of a potential global pandemic to bring the media to frenzy and invite a wide array of commentary from “experts”.

Fear is driven from the unknown, and relatively little is known about COVID-19. We can establish that the virus is highly contagious and spreading globally – quickly. For these reasons it has been tagged as a Class A infectious disease (requires compulsory response measures).

The most commonly reported symptoms include a fever, dry cough and tiredness. In the most severe cases, people with the virus can develop difficulty breathing, and may ultimately experience organ failure. Some cases are fatal. Many other individuals will just get a runny nose or a sore throat. Some people with the virus are completely asymptomatic.

Mortality rate is an often used parameter to help us grasp the seriousness of a health threat. In the case of COVID-19 the rate is around 2.3% (data varies on source from 1-3%). The vast majority (80%) of deaths is in those over 60 years old, three-quarters of whom had other disorders that may have made them more vulnerable including diabetes, heart disease and cancer.

Many media channels are remarking that the mortality rate is indifferent to the annual flu. Once again there are statistics and then there are statistics. When quoting flu associated deaths it would be reasonable to give the numbers context. Since flu statistics are gathered in wealthy nations they are far less dramatic than those in poorer nations with lesser healthcare services. Flu associated deaths also change significantly from year to year depending on the particular strain.

It may also be pertinent to consider comparative mortality per age group. By comparison the flu mortality rate in those over 64 years of age can be 67% (as a percentage of all deaths).

In respect to COVID-19 young people, on the other hand, appear to be better protected against the virus. A report by the World Health Organization and China, based on the 75,465 cases reported up to 20 February 2020, found that only 2.4% of cases were in those aged 18 or under. No-one knows if children aren’t catching the virus at the same rate as adults, or if they just don’t show symptoms when they do have the virus.

One of the concerns is the combination of COVID-19 and influenza. We are already hearing a push for flu vaccines in the elderly however an article published in Annals of Internal Medicine this month declared: “no evidence indicated that vaccination reduced hospitalizations or mortality among elderly persons.”

To be pragmatic, all we can focus on is what we do know. From a natural healthcare point of view all that we do know is that vitamin C is playing an important role. Based on experience from other potential epidemics coupled with recent success, Chinese health authorities have publicly recommended that vitamin C be used in high doses. You may find this referenced article of interest.


Anderson, M. L., Dobkin, C., & Gorry, D. (2020). The Effect of Influenza Vaccination for the Elderly on Hospitalization and Mortality: An Observational Study With a Regression Discontinuity Design. Annals of Internal Medicine.

Expert consensus on comprehensive treatment of coronavirus disease in Shanghai 2019. (2020). Retrieved March 4, 2020, from

Hamzelou, J. (2020). Coronavirus: What are the worst symptoms and how deadly is covid-19? Retrieved March 4, 2020, from

High-dose vitamin C treatment of new coronary pneumonia. (2020). Retrieved March 4, 2020, from

Iuliano, A. D., Roguski, K. M., Chang, H. H., Muscatello, D. J., Palekar, R., Tempia, S., … & Wu, P. (2018). Estimates of global seasonal influenza-associated respiratory mortality: a modelling study. The Lancet, 391(10127), 1285-1300.



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