Ayanna Spa



Janni Bertelsen MSc BSc (Hons) DipN VCTC Cert.

Nutrition Coaching, Food Intolerance Testing, Hair Mineral Analysis, Biopuncture, Mesotherapy, Vitamin B12 Injections, Vitamin/Mineral Testing.

Known for her effective lasting results and inspiring treatments, Janni has gained the reputation as one of London’s most exciting new nutritionists. Having worked alongside medical experts in various fields, as well as Biomedical Scientific Officer for Cancer Research UK, Janni has more than 10 years’ experience in the health industry including working for The Institute of Neurology and Great Ormond Street Hospital.

She studied Bioinformatics to post graduate level at De Montfort University, qualifying as a bioinformatician and obtained a degree in Biomedical Sciences at The University of Wolverhampton. She has since acquired a Diploma in Nutrition in London, and is fully insured.

Janni has a passion for taking the confusion out of nutrition by offering tailored bespoke treatment plans, and in-depth follow ups. She specialises in mood disorders such as depression, anxiety, worry, stress, CFS, pain management, food intolerances and vitamin/mineral deficiencies. She also targets issues such as weight loss with outcomes that are successful and measureable.

She combines advanced treatments such as Nutritional Medicine, Food Intolerance Testing, Intra-muscular Vitamin Therapies, Hair Mineral Analysis, Mesotherapy, Biopuncture and Vitamin/Mineral Testing.

Nutrition Consultation

Commencing with a health history review, assessment of current diet and lifestyle and nutritional status to allow for planning of manageable changes to support better health and advice on supplementation. Further testing may be suggested.


Follow up consultation £75


A series of injection therapies of natural products to provide pain relief and muscle relaxation for conditions such as tennis elbow, arthritis/osteoarthritis, neck/back/knee pain, sciatica, sports/cartilage injuries, whiplash and ankle sprains.


Hair Mineral Analysis

A nutritional tool is used to determine mineral and vitamin deficiencies and/or excesses, from which results are then used to design a bespoke and effective nutritional program to target the underlying causes for the symptom(s) being experienced.


Vitamin B12 Injection

Vitamin B12 injections have recently been made famous by celebrities like Madonna, Charlize Theron and Justin Timberlake for using it as a popular ‘quick-fix’ in obtaining a burst of energy.

While vitamin B12 injections are indeed a quick fix for increasing energy levels they do so much more. Some people experience weight loss, improved sleep and memory, and have even been used as a hangover cure.

£60 (5ml)
£40 (1ml)

Vitamin/Mineral Testing


Dependant on test

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