My Training

Hello, my name is Sara Thackeray, I am a Registered Naturopathic Nutritional Therapist and a Hair Tissue Mineral Analysis and Mineral Balancing Practitioner.

I graduated from the prestigious College of Naturopathic Medicine where I spent 3 years training at both the London and Brighton Colleges. I studied one year of Bio Medicine and two years nutritional therapy including over 200 hours of clinical consultations. I am a full member of the Naturopathic Nutrition Association (NNA). The NNA is the professional association for nutritional therapists who practice in accordance with national occupational standards and naturopathic principles.

I have also trained in DNA testing, Hair Tissue Mineral Analysis (HTMA) and Functional Medicine testing. I regularly attend training and seminar days to further my knowledge.

Holistic Mineral Balancing Course: 

  • Trained in the interpretation of Hair Tissue Mineral Analysis (HTMA) testing. 
  • Trained in designing supplement protocols that are targeted to a persons mineral levels and ratios as shown on their HTMA test. 
  • Trained in designing targeted diet protocols for the clients oxidation rate, as shown on their HTMA.
  • Trained in designing detoxification programs to detoxify toxic metals such as copper, mercury, lead, cadmium and nickel from the body. 
  • Trained in other functional testing which can support the Mineral Balancing Program such as copper, zinc and ceruloplasmin panels and iodine loading tests. 

College of Naturopathic Medicine:

  • Certified in Naturopathic Nutrition
  • Professional Training & Certification Program
  • Training in Functional Lab testing
  • Training in the Functional Medicine Approach
  • Evidenced based diet, supplement and nutrition training which considers the link between chronic disease, body systems and other variables such as detoxification, cellular and digestive function
  • 200 clinical hours completed
  • Training in Hair Tissue Mineral Analysis testing

DNAFit Training

  • Trained in Nutrigenomics and DNA testing.
  • Identification of genetic mutations which could be contributing to illness and disease

Chemical Resolution Seminar:

  • Cellular detoxification Training

Health and Psychology BA, Brighton University:

  • First class honours degree


Josephine Hardman:

”I came to Sara after suffering with moderate to severe dry eyes for 10 years (I was first diagnosed at age 21). After a comprehensive intake and hair mineral testing, Sara developed a specific protocol for me including diet, supplements, and detoxification measures. What I most appreciate about Sara is that she checks in with me every month and adapts my treatment based on what I’m experiencing. She is also willing to troubleshoot problems and answer all of my questions in a timely manner. Sara is very knowledgeable and often speaks from her own experience with detox and healing, which gives her even more credibility and allows her to fully relate to her clients. After a few months of working together my eyes are feeling about 10% better, which is really wonderful because I was in constant discomfort with burning and extreme dryness when we started. I’m so excited to keep working together on this healing journey!
Hope that works!
Peggy McConnell:
Julie Sawley:
”Sarah was recommended to me by a mutual friend. I had been suffering
for a number of years with extreme fatigue after a hysterectomy and
chemotherapy. Since being under Sarah care and advise I am feeling
much better in myself although there’s still a long way to full
recovery but Im sure recovery is possible as great improvement have
occurred since being guided by sarahs professional advise.”
Julie Sawley.
Alastair Poole:
I approached Sara for help with prostate problems and found her to be professional and knowledgeable. She advised me on my diet and supplements which contains various nutrients and herbs that have been shown to benefit the prostate. We also worked on my gut, which she said was leaky and inflamed. I used to be a very heavy meat eater, and Sara pointed out that eating a lot of red meat might be causing to much protein in the urine which could be irritating my prostate. My symptoms of frequent urination, and pain have much improved. I am also sleeping much better thanks to several minerals that I believe I was deficient in. I have had insomnia for 10 years, and this is the only thing that has helped after the sleeping pills stopped working! I’m now getting 7 hours sleep per night.
Thanks Sara!

Janet O’Riordan:

Sara is a very knowledgeable and thorough Nutritional Therapist. The diet and lifestyle advice she gave me has been beneficial to my health. After implementing her nutritional plan I no longer suffer with fatigue, I am sleeping much better and my bloating is much reduced.”

Frans Middeldorp:

”I would recommend consulting Sara to anyone. I was a particularly tough case since I seemed to do everything right to prevent eczema outbreaks. However, Sara went to work and came up with some very useful suggestions that did the trick.”


”’I have had severe exhaustion and was told it was probably chronic fatigue syndrome. Doctors told me there was nothing they could do as my blood tests looked normal – yet I couldn’t get out of bed. After a lot of searching I came across nutritional balancing/HTMA and it all made sense finally. I began to build my body back up and start to detox – its not easy but so worth it – I’ve had such good days of energy that I never thought I could achieve again and by watching my progress on the hair charts I know I’m getting there. Its not a quick fix but it is a proper fix and persistence is key and following the programme as close as possible.”



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