
PCOS and Underactive Thyroid Nutritionist London: Reclaiming hormonal balance to optimise long term wellness
As a leading London-based hormone imbalance specialist, Ruchi helps individuals who are struggling with PCOS, hypothyroidism, and male and female sex hormone imbalances
An underactive thyroid can cause persistent fatigue, weight gain, cold hands and feet, brain fog, and even hair thinning. If left undetected or untreated, it can slow your metabolism, affect fertility, and impair digestion, leaving you feeling completely out of balance. Often linked to nutrient deficiencies, stress, or autoimmune conditions like Hashimoto’s, thyroid disorders can disrupt nearly every function in your body.
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Hormonal imbalances, including PCOS and perimenopause, can result in irregular cycles, mood swings, bloating, skin issues, and difficulty managing weight. If you've been told you just need to "lose weight" or "deal with stress," you know those generic answers don't address the root cause of your fatigue, mood swings, stubborn weight gain, hair loss, and painful, irregular cycles. These conditions are complex, often driven by a vicious cycle of inflammation and gut issues and perpetuated by stress, metabolic dysfunction, dietary and lifestyle habits.
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At Wellness with Ruchi, we specialise in supporting clients with underactive thyroid, PCOS, and sex hormone imbalance through a results-driven comprehensive, whole-body framework.​
We use a functional medicine approach to uncover the underlying drivers of your hormonal health and provide a clear plan to help you restore energy and balance. Our personalised plans focus on practical, evidence-based diet and lifestyle strategies, combined with targeted functional testing and supplementation to further support your long-term wellbeing.
My personal experience: Can nutritional therapy reverse Hashimoto's thyroid condition?
Here’s my story
There’s often debate about the role of nutritional therapy in managing autoimmune conditions, and thyroid health is no exception. While medication and traditional treatments are commonly prescribed, small dietary and lifestyle changes can make a significant difference, and this is something I can personally attest to.
After being diagnosed with Hashimoto’s disease, an autoimmune thyroid condition, in 2016, I faced the challenge of managing symptoms such as a slowed metabolism and hair thinning. While medication which forms the basis of conventional thyroid treatment helped stabilise my condition, I discovered that addressing underlying imbalances through nutrition and lifestyle changes was crucial for effectively managing my condition. By focusing on nutrient-dense foods, reducing inflammation by minimising gluten and dairy and supporting my gut health, I was able to reverse my autoimmune thyroid condition and achieve a greater sense of balance and well-being.
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This personal experience allows me to provide support with deep empathy and first-hand knowledge, empowering clients to regain their vitality and take back control of their long-term health. In my professional practice, I now work with clients navigating underactive, autoimmune thyroid conditions, helping them implement meaningful changes to support their thyroid health. Through a combination of personalised nutrition, lifestyle adjustments, and functional testing, I help clients restore balance, improve energy, and feel like themselves again.
The interconnected hormonal challenge
Mainstream medicine treats PCOS and under-active thyroid (hypothyroidism) as unrelated conditions. Yet, as a specialised thyroid nutritionist, Ruchi often sees how closely they overlap - both influenced by underlying inflammation, nutrient deficiencies, and imbalances in sex and adrenal hormones. Addressing the root causes of one can often improve the other.​
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Ruchi specialises in untangling this complexity to give you an effective, cohesive programme that resolves the overlapping symptoms of:
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PCOS (insulin resistance, irregular cycles, weight gain, mood swings)
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Thyroid Issues (fatigue, brain fog, metabolism slowdown, thinning hair)
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Adrenal Dysfunction (chronic stress, sleep issues, irritability)
The power of functional testing
Standard blood tests often don’t dig deep enough to reveal subtle hormone imbalances. Ruchi uses advanced functional testing, giving the detailed insights needed to create a truly personalised treatment plan. At Wellness with Ruchi, we look beyond the basics, examining functional gut markers, inflammation, and comprehensive hormone mapping.​​
Test Type
What it Reveals
Why this Matters
Comprehensive
Thyroid panel
Full TSH, Free T3, Free T4, Thyroid Antibodies (essential for Hashimoto's) and key nutrients such as iron, folate, B12, vitamin D
Unlike standard tests which focus on TSH and T4, advanced panels reveal the full picture of your thyroid gland and health.
Advanced hormonal mapping
Detailed breakdown of sex hormones: oestrogen, progesterone, testosterone and their metabolites, prolactin and stress hormones
Helps to pin point specific imbalances behind your PCOS symptoms and monthly cycle issues.
Gut & Inflammation markers
Reveals underlying gut dysbiosis, SIBO, or nutrient malabsorption
Hormones cannot balance if the gut is inflamed. Supporting gut health assists long term hormonal balance alongside relief from digestive issues.
Success Stories
Benefits of our personalised & holistic hormone balancing programmes
Personalised Assessment
We take the time to understand you and your health from all angles, from family history, to diagnosed health conditions, to your food and lifestyle diary.
Access to Functional Testing
We offer advanced functional tests not available through GPs, including full thyroid panel and antibodies, and urine tests for deeper insights into the root causes of your thyroid and sex hormone imbalances.
Education and Empowerment
We help you understand how your metabolic health, gut health, dietary and lifestyle choices affect your hormones, empowering you to shift your mindset towards healthier choices.
Mind-Body Wellness
We integrate stress management, movement, and emotional eating support to reduce the psychological burden of PCOS and thyroid issues.
Long-Term Sustainability
Unlike restrictive diets that offer short-term fixes, we focus on practical strategies that seamlessly integrate into your life and preserve the joy of eating.
Life-Long Balance
We provide a sustainable lifestyle framework that stabilises blood sugar, reduces inflammation, optimises nutrient levels, and adapts to your changing needs.
Recommended services for supporting thyroid, PCOS, sex hormone imbalance
Ideal if you're dealing with under-active thyroid or perimenopause without weight gain.
Ideal if you're dealing with PCOS, underactive thyroid or male or female sex hormone imbalance with weight gain.
Ideal if you're dealing with hormonal imbalance with 2 or more diagnosed conditions and want tailored support.
Hi I'm Ruchi
I am Ruchi Bhuwania Lohia, a longevity focused qualified and registered nutritional therapist (BSc (Hons), DipION, mBANT, rCNHC), health coach and wellness speaker.
I run an online and a central London clinic, offering personalised one to one programmes. I also offer wellness talks and workshops in workplace and community settings.
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Prior to retraining as a Nutritional Therapist, I spent 18 years working in mergers & acquisitions in finance, so I understand how overwhelming everyday demands can be. That's why I believe in a realistic, sustainable approach to health and am committed to making nutrition and wellness a sustainable and joyful lifestyle choice - while preserving the joy of eating.



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Ready to find lasting relief?
If you’re managing an autoimmune thyroid condition or experiencing thyroid or hormonal imbalances, know that small, targeted changes to your diet and lifestyle can make a significant difference to your energy, mood, and overall wellbeing. We understand the complexity and interconnectedness of PCOS, thyroid and hormone imbalances and are here to guide and support you every step of the way. You are one appointment away from starting your journey towards restoring your body’s natural balance and empowering you to thrive in the long term.















