Available to book
Clarissa Lenherr
Food and Nutrition
Mental Health
Transform workplace wellbeing with Clarissa Lenherr, speaker and leading UK nutritionist. Clarissa works with organisations to enhance employee health and productivity through personalised nutrition expertise, delivering impactful workshops for eBay, Starbucks, Amazon, Facebook and Google.


Self Improvement
Personal Wellbeing
Women in Business
Personal Development
Nutrition
Mental Health Awareness
Clarissa Lenherr is a leading UK Nutritionist and corporate wellbeing expert, specialising in evidence-based nutrition strategies that support energy, resilience, and performance in the workplace. She is the founder of a successful private practice based on Harley Street, London, and brings over a decade of clinical and corporate experience to her work with organisations.
Clarissa works with companies to translate complex nutrition science into practical, engaging, and actionable strategies that employees can implement immediately. Her talks and workshops focus on improving energy levels, reducing burnout, supporting mental clarity, and enhancing overall wellbeing - key drivers of productivity and performance in modern working environments.
She has delivered nutrition and wellbeing programmes for leading global organisations including eBay, Starbucks, Amazon, Meta (Facebook), Google, Deloitte, IKEA, and the NHS, and is trusted for her clear, non-judgemental, and commercially relevant approach. Clarissa is known for balancing scientific credibility with real-world practicality, making her sessions accessible and impactful for diverse teams.
Clarissa is committed to evidence-based practice and regularly undertakes advanced CPD and professional training to remain at the forefront of nutrition science. She is frequently featured in national media, including The Times, The Telegraph, The Guardian, Women’s Health, and The Daily Mail, and is widely recognised as a trusted authority in nutrition and wellbeing.
Topics, sessions and talks
Do you find your mood rollercoasters throughout your day? Or That your wired mind has turned you into a nocturnal animal? What About those butterflies in your stomach – ever wondered why and how our gut communicates with our brain? Join Nutritionist Clarissa Lenherr, Who shares her expert knowledge on how the foods we do and don’t eat, and the lifestyle choices we make can impact our mood and general wellbeing. Clarissa will cover topics including blood sugar balance, building a well-balanced plate, the crucial topic of gut health, key nutrients and tips to lift and boost your mood naturally.
In this engaging one-hour talk, Clarissa Lenherr shares targeted nutrition and lifestyle strategies to enhance focus, mental clarity, and workplace productivity. She highlights essential nutrients for cognitive performance, emphasising the importance of brain-healthy fats for concentration and decision-making. Clarissa clarifies the role of caffeine, discussing its potential benefits and pitfalls. Additionally, she explores the gut-brain connection and its impact on mood and motivation. Attendees will gain practical strategies to improve their mental performance and sustain high productivity.
Clarissa Lenherr demystifies the immune system, highlighting that "boosting immunity" is a misconception. She discusses the essential lifestyle and nutritional factors that contribute to long-term immune resilience, including stress management, sleep quality, gut health, and nutrient status. Clarissa highlights vital nutrients like zinc, vitamin C, vitamin D, and selenium, as well as the benefits of herbs, spices, and plant diversity. Attendees will leave with practical, evidence-based strategies to enhance their health and reduce illness.
In this session, Clarissa Lenherr tackles the escalating burnout crisis in today's work environment, offering practical, evidence-based strategies for thriving rather than merely coping. She will delve into the human stress response, the effects of chronic stress, and the often-overlooked early warning signs of burnout in high achievers. Attendees will learn about essential nutrients for resilience, foods that increase stress, and effective lifestyle hacks for recovery and emotional regulation, equipping them with actionable tools to enhance energy and reduce burnout risk.
Gut health expert Clarissa Lenherr delves into the critical role of gut health in energy, immunity, mood, and overall wellbeing. She will explain the gut, microbiome, and the impact of the gut-brain axis on stress resilience and mental clarity. Clarissa will identify signs of digestive dysfunction and discuss the importance of probiotics and prebiotics. Attendees will gain practical strategies to enhance digestion through hydration, fibre, movement, and food choices, leaving them empowered to improve their gut health.
Clarissa offers your team expert insights from a leading nutritionist, enhancing health, happiness, and productivity. Her personal journey adds a unique perspective, fostering empathy and understanding. Benefit from tailored workshops that drive performance and wellbeing, backed by her experience with top companies and continuous professional development.
Testimonials
often considered together

Kimberley Wilson
Food and Nutrition
Mental Health
Stress Management

Reena Vokoun
Food and Nutrition
Health and Fitness
Stress Management

Thomas Curran
Mental Health
Workplace Culture
Workplace Wellbeing
frequently asked questions
Something we've not covered here?
Email clarissa.lenherr@getapeptalk.com or call PepTalk on +44 20 3835 2929 (UK) or +1 737 888 5112 (US), and one of our speaker agents will contact you within hours to confirm Clarissa's availability and fees. If you can, please include your budget upfront – it helps us fast-track your request. It’s also helpful to know the date, format (virtual or in-person), location, and a bit about your audience.
Clarissa Lenherr structures her sessions around a myth-busting framework, opening with a commonly held misconception — such as the idea that immunity can be "boosted" — before replacing it with evidence-based alternatives. She then delivers layered, practical takeaways organised by topic area (e.g., gut health, key nutrients, lifestyle factors), giving attendees concrete strategies they can apply immediately.
Clarissa Lenherr's sessions cover the gut-brain connection and mood, cognitive performance and workplace productivity, and immune resilience through nutrition and lifestyle. She is the founder of a Harley Street private practice and has delivered nutrition programmes for organisations including eBay, Google, Amazon, Meta, and the NHS.
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