Bristol Nutritionist

Rosie Letts is a leading private Bristol nutritionist and functional medicine practitioner. She specialises in weight management, digestive health, fertility and sports nutrition. Using only proven and effective nutritional medicine and the most up-to-date diagnostic tools, Rosie works with clients to make small changes that drive lasting results. This can take place through one-to-one consultations at her Bristol clinic or by Skype, or through her signature online programme. Rosie works with individuals, brands, companies and the media. Whether you are trying to optimise your own health or that of your team, she can help.

Discover Services

Nutritionist working in a clinic in Bristol
Nutrition Consultation

Rosie offers private nutrition consultations on a one-one basis at her Bristol clinic or by Skype and telephone.

Bristol nutritionist talking to a couple in a restaurant
Brand Consultation

Having worked as the nutritionist for leading brands, Rosie is experienced when adding credibility to any offering.

nutritionist delivering a presentation at Natwest Bristol
Corporate Wellness

There’s more to improving nutrition and wellbeing in the workplace than simply providing a healthy option in the canteen.

delicious smoothies and raw treats at a Bristol nutritionist event
Public Speaking

Rosie is the perfect choice to empower a crowd and inspire them to live and breath a healthy lifestyle.

Bristol nutritionist shopping at a fruit and vegetable market
Online Programme

Fully supported nutrition education & lifestyle programme. Over 12 months we work through 4 life-changing phases.

Integrative fertility team at a health retreat with Bristol Nutritionist
Fertility Retreat

10-13th October – Alphazita Holistic Fertility Retreat @ Sani Resort in Thessaloniki, Greece.

Latest Recipes

Healthy hot chocolate recipe

Healthy hot chocolate recipe

This healthy hot chocolate recipe is my all time favourite winter warming drink and beats coffee hands down for its energising effects.

Tofu bibimbap (Korean rice bowl)

Tofu bibimbap (Korean rice bowl)

The variations are endless with this delicious Korean rice bowl – create a dish to suit your taste and mood. Not so much a recipe as a guideline of ingredients to gather together. You could use fried slices of Portabello or field mushroom instead of tofu....

Vegan nut roast

Vegan nut roast

My vegan nut roast is the perfect centre piece to any dinner table. Enjoy the warmed-up leftovers with houmous and salad.

Green beans and roasted tomatoes on toast

Green beans and roasted tomatoes on toast

Beans on toast go green! You could use haricot or cannellini beans, but I think the texture and colour of the flageolet lend themselves best to this dish. If you’re not vegan, this goes really well with some seared halloumi or try it with a grating of...

Latest Articles

Eating well during lockdown

Eating well during lockdown

It would be easy to put living on the backburner during lockdown. Here are my tips to make eating well during lockdown simple, enjoyable and affordable.

Beating the winter blues

Beating the winter blues

It’s that time of year again… winter blues, otherwise know as seasonal affective disorder (SAD) which can affect people who have normal mental health and moods through most of the year. It’s a common story that as the days get shorter and darker, people start to feel lethargic, gloomier and less interested in doing things that make them feel active and happier, which includes eating healthily. When we feel low, it’s tempting to reach for sweet treats for a quick sugar rush, but this won’t make the blues disappear!

Endometriosis nutritional therapy

Endometriosis nutritional therapy

Endometriosis is a reproductive disorder, where endometrial cells which are usually found in the lining of the womb, implant themselves elsewhere in the body. During your monthly, your hormones fluctuate, which stimulates these endometrial cells to grow, and then...


“On top of Rosie’s professional gift, she is also a genuinely lovely and caring person. I immediately felt comfortable around her and knew that she was going to do her absolute best to get me well — which she did! You walk away after one appointment with a game plan, a huge pack of incredible resources from gut healing recipes, to info about your specific condition, and a wealth of knowledge about the body and it’s functions. Rosie is a blessing and it’s the best investment you can make for you long term health and wellbeing.” Bristol Nutritionist

"I am so impressed by Rosie’s combination of science, common sense, and intuition… within a couple of weeks I felt rebalanced, revitalised and set up with nutritional tools for life." Bristol Nutritionist

"I came to Rosie with my skin at pretty much the worst it had ever been, I was red raw and itchy all over. It was really affecting all areas of my life, and I wasn’t sleeping due to the constant itching. Rosie was very thorough and paid attention to my values and lifestyle commitment to find a treatment plan especially for me. She explained what was going on and I felt fully supported and like I knew what was going on the whole time. Under Rosie’s guidance I managed to completely get rid of the skin troubles I came to her with only a few months before. Now about five months since my original meeting with Rosie my skin is practically perfect and has completely gone back to normal. The change is incredible. I can’t speak highly enough of her. She was friendly and made me feel comfortable and shared her extensive knowledge with me. I’m incredibly grateful. Thank you!" Bristol Nutritionist

"I was working long hours in a corporate job and had been trying to conceive for some time without success and I felt generally run-down. Rosie’s advice was great because it was so practical. I wasn’t expected to go on some strange eating plan that I would spend all week shopping for and preparing. Rosie ensured her suggested changes to my diet were manageable within my (hectic!) lifestyle and recommended some nutritional supplements to support my health at the start of the programme. I felt healthier almost straight away: more energy, less sluggish and my skin and hair were noticeably brighter. Rosie explained that I should allow 3-6 months before trying to conceive but after two and a half months at a follow up consultation I was able to announce that I was pregnant! Rosie then provided me with practical advice about healthy eating during pregnancy and recommended some nutritional supplements to help minimise the nausea I was suffering." Bristol Nutritionist

"After meeting with Rosie to address my low energy level issues, she literally turned my habits around in what seemed like overnight. After an initial ‘timeline’ assessment, Rosie managed to accurately pin point which foods were contributing to my major four o’clock slumps. Rosie prepared a plan of action specific to me and my lifestyle, and gave me some excellent tools to help organise and implement my plan immediately. Rosie has rekindled my love affair with interesting foods, broken my addiction to caffeine and helped me spring out of bed in the morning without the four o’clock lows. I would recommend Rosie in a heart beat." Bristol Nutritionist

"Rosie is one of a kind. I have seen a lot of doctors and nutritionists in my time, and never have I had such an immediate turn around and healing of my body after just one appointment. She is so thorough in all that she does, and strives to understand the depth and complexity of each case. She is a leader in the field and I can’t recommend her enough. Her knowledge is extraordinary." Bristol Nutritionist

"For 15 years, doctors always told me I was suffering from IBS. I thought my fate was sealed and feared I was going to live with these symptoms for the rest of my life. I felt desperate and worried that I would never be able to enjoy my food again. First and foremost, Rosie ran some tests to determine how healthy my gut was. The test revealed that I am highly intolerant to ‘mustard’ – a condiment that I was eating almost every day, which was causing bad bacteria to develop in my gut. When Rosie told me she could remedy the problem in just 3 months, I wanted to cry and jump for joy! I’ve been following her advice for two months now, and all I can say is that my stomach problems are no more. Rosie has changed my life and I will be eternally thankful for her help and the support she gave me." Bristol Nutritionist

"I would just like to let you know that I have now lost 35 kg! It has taken just over 6 months using the nutritional plan you designed for me. I dropped 8 trouser sizes during this period and very pleased how well I feel. I intend to continue with the diet as I really enjoy the food types. It is completely different to my previous diet. Thank you so much for all your support over the months. I am still losing weight and my wife says I am new man." Bristol Nutritionist

"Rosie has been fantastic in advising me on my diet and what works best for my own personal goals. Day to day I am feeling more energised, focused and generally much healthier." Bristol Nutritionist

"At the beginning of my pregnancy I knew nutrition would majorly affect the way I felt and of course the early development of my baby so I contacted Bump & Beyond Nutrition for a tailor made nutrition plan to assist me at this time. At my first consultation with Rosie it became obvious that she knows everything there is to know about healthy eating during pregnancy. Rosie dealt with the more personal questions on the consultation form with empathy and non judgement and I really felt I connected with her. She understood my needs and gave me loads of easy to make recipes (some of which were healthy alternatives for when those sugar cravings kicked in). I would definitely recommend any woman embarking on their pregnancy journey to make an appointment with Rosie. I had very little adverse pregnancy symptoms in my first trimester and definitely would attribute this to the nutrition programme I was on." Bristol Nutritionist

"Hi Rosie. I hope that you have enjoyed the festive season. My best present has been seeing Naomi’s health improve; compared to September she is so much better and I just wanted to ‘thank you’. Best wishes for 2017." Bristol Nutritionist

"Rosie’s advice on how to wean Luke was invaluable if only because it gave me the peace of mind that I was doing the best I could for Luke’s health. She helped me sort through all the conflicting information out there and not only informed me of what foods to give and when to introduce them, but with being a mother herself, how to make this easy to manage when you are at a time in life when you are time poor and exhausted. Her recipe ideas and cooking and preparation tips were great and now I have my second baby I am still benefiting from them. Luke is now 18 months and when we meet friends I always notice that he seems to pick up less colds and bugs. I’m convinced this is because he seems to eat a wider variety of foods compared to other children his age and is getting all the nutrients he needs." Bristol Nutritionist

"I contacted Bump & Beyond Nutrition after having had a miscarriage and, prior to that, 18 months of unsuccessfully trying to conceive. Whilst I generally eat well I realised there was more I could do to make positive changes to my lifestyle and to feel in control of a situation that was becoming emotionally draining. Rosie began our programme by addressing some digestive problems that I had been living with for years (under the misguided belief that all women have IBS symptoms — don’t they?!) After about 6 weeks my digestion issues had vastly improved and 3 months later I was pregnant! I am now in my 15 weeks in and haven’t suffered from any sickness or fatigue at this point which I think is pretty remarkable. I’m now feeling really positive for the next 6months and beyond! I am hugely grateful to Rosie for her practical, achievable approach to making nutritional and lifestyle changes." Bristol Nutritionist

"With a history of endometriosis, I was very concerned that I may have trouble conceiving naturally and was keen to adapt my lifestyle, particularly my diet, to try and help avoid having to undergo fertility treatment. Talking to an experienced, understanding nutritionist seemed to be my best course of action. Rosie provided me with invaluable nutritional guidance, focused on tailoring my diet and lifestyle. I am delighted to say that after several months of following her advice, I conceived naturally. I am now pregnant and Rosie is supporting me further with nutrition and lifestyle advice. I am really grateful for the help and support that Rosie has given me throughout this process and I will continue to work with her until my family is complete." Bristol Nutritionist

"By the time my baby was 11 months old and still never sleeping through the night I was totally exhausted and had no motivation to sort out my diet which was the worst it had been in years. I was struggling to lose my baby weight and my digestion was all over the place. Rosie believed that food intolerances were compounding the problem (which blood tests later confirmed to be true). Rosie challenged many of my old views on what made a healthy diet and designed an eating plan which was easy to maintain, even with no time and a fussy eater as a husband. Rosie was non- judgemental, patient and empathetic when I slipped up, and always happy to help even after our programme had finished. I have been really surprised at how simple changes can make such a dramatic difference so quickly. Once my intolerances were identified my digestion sorted itself out within a week, and I had so much more energy. Two months on and I even fit back into my pre-pregnancy jeans!" Bristol Nutritionist


Nutritional therapy can transform the lives of people dealing with…






Thyroid Problems

Weight Issues


Adrenal Issues

Online nutrition programme logo



Bristol Nutritionist



Imagine if you could lose weight, feel great and take back control of your body.

With my Bristol Nutrition clinics filling up each week, I’ve taken my signature Reinvent programme online so I can help more people realise the remarkable power of holistic nutritional therapy. Now you can enjoy the benefits of my expertise at in the comfort of your own home.

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On Saturday 25th July, Rosie’s partner Andy tragically passed away. He wasn’t ill and his passing has come as a devastating blow to all of his family and friends. Rosie will be taking compassionate leave to look after their children. She hopes to return to private practice when her children start school in September.

Time to Reinvent

£50 off Reinvent during May

May is the BEST month of the year to reinvent your diet and lifestyle.

Use code may50reinvent to join Reinvent for just £197.

100% Satisfaction Guarantee.


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