
Performance Nutrition Coaching, Analysis & Adjustment

Lottie Lamb Hybrid Athlete and Instragram Influencer

Why you will win with Theorem Metabolic
Why Theorem Metabolic?
Why Theorem Metabolic? It's Daily. It's Data-Driven. It's You Optimised.
At Theorem Metabolic, we believe that truly transformative health and performance gains are forged in the daily details. We go beyond generic plans and infrequent check-ins to offer an unparalleled level of personalised metabolic optimisation, driven by daily data insights and expert, proactive coaching.
We don't just empower you to take control – we equip you with the knowledge and daily support to understand your body on a microscopic level and make informed, impactful decisions every single day.
While others offer weekly check-ins, Theorem Metabolic operates in real-time. We understand that your metabolism is dynamic, fluctuating daily based on diet, activity, sleep, stress, and countless other factors. That's why we've built our coaching philosophy around Daily Metabolic Check-ins and the power of Daily Medical Body Composition Analysis (BCA).
The Daily BCA Difference: Unlocking Intimate Insights, Daily.
Imagine having a daily window into your body's internal environment. That's precisely what our daily BCA measurements provide. Using your precise BCA data, collected conveniently at home, we delve into the nuances of your daily metabolic shifts, providing insights that weekly or monthly measurements simply cannot capture. Each day, we analyse and interpret a rich dataset, including:
General calculations suggested a 2800 calorie limit for Charlotte. However, testing revealed her actual needs to be up to 4000 calories per day, resulting in a 2+ kilogram weight gain and increased speed and strength.
Justin Johnson Founder - Theorem Metabolic
Contact Us
Email: info@theorem.fit
Office: 01268 859534
Open Hours
Mon to Fri: 09.00am -5.00pm
Sat to Sun: 10.00am -2.00pm
Daily Weight Fluctuations: Beyond the Scale: We don’t just track weight – we contextualise it. Daily weight changes can be influenced by hydration, glycogen levels, and food volume, not just fat loss or muscle gain. We explain these daily fluctuations, separating true trends from temporary shifts, alleviating anxiety and fostering a deeper understanding of your body’s responses. No more scale panic – just informed progress tracking.
Hydration Levels: The Metabolic Foundation: Daily BCA reveals subtle shifts in hydration, a crucial factor impacting energy levels, performance, and even metabolic rate itself. We can detect dehydration before it impacts your well-being and provide proactive hydration strategies, ensuring your metabolism is functioning optimally at a cellular level.
Muscle Mass Monitoring: Protecting and Building Lean Tissue: While significant muscle mass changes take time, daily BCA can detect subtle shifts in muscle hydration and glycogen storage, reflecting workout recovery and nutritional adequacy. We monitor these indicators to ensure you’re fueling your muscles effectively and preventing muscle loss, especially during calorie restriction.
Fat Mass Trends: Real-Time Fat Loss Tracking: While daily fat mass changes are small, tracking trends over days and weeks, informed by daily BCA, provides a far more accurate and responsive picture of fat loss progress than relying on infrequent measurements. We can identify plateaus early and make immediate adjustments to your nutrition or activity levels to keep you moving towards your goals without delay.
Visceral Fat Insights (Trended): While visceral fat changes are slower, daily measurements contribute to a more detailed trend analysis over time. We can identify positive shifts in this crucial marker of long-term health and metabolic risk, reinforcing the positive impact of your lifestyle changes.
Beyond the Numbers: Contextual Coaching and Daily Adjustments. The daily BCA data is not just presented as numbers. Our expert coaches meticulously analyse your daily results in conjunction with your food logs, activity levels, sleep patterns, and even subjective feedback on energy and mood. This holistic, daily review allows us to:
Validate Nutritional Adequacy (or Inadequacy): By observing daily weight and body composition trends alongside your food intake, we can quickly determine if you are eating sufficiently to support your metabolism and goals. If weight is consistently dropping too rapidly or muscle mass is trending downwards, we can proactively increase your calories and adjust macros in real-time, preventing metabolic slowdown and muscle loss – a level of responsiveness simply impossible with less frequent check-ins.
Detect Early Warning Signs of Inflammation: We integrate daily blood pressure (BP) monitoring into our check-in process. Consistent morning BP elevation, even within the “normal” range, can be an early indicator of low-level systemic inflammation, often linked to dietary factors, stress, or inadequate recovery. By identifying these subtle signals daily, we can proactively investigate potential triggers and implement anti-inflammatory nutritional strategies and lifestyle adjustments immediately, preventing more significant health issues down the line. This proactive, daily vigilance is a cornerstone of our preventative and performance-focused approach.
Fine-Tune Macronutrient Ratios Daily: Based on your daily data and feedback, we can make microscopic adjustments to your macronutrient ratios (protein, carbs, fats) to optimise energy levels, satiety, workout performance, and body composition changes daily. This level of granular control ensures your nutrition is perfectly aligned with your body’s needs every single day.
Personalise Hydration and Electrolyte Strategies: Daily hydration data from the BCA, combined with your activity levels and environment, allows us to fine-tune your hydration and electrolyte recommendations, optimising performance and preventing metabolic imbalances.
Empower You with Daily Understanding: Crucially, we explain the daily data to you. We educate you on how your body responds to different inputs, fostering a deeper understanding of your own metabolism and empowering you to become an active participant in your health journey, not just a passive recipient of a plan.
Beyond Daily BCA: A Holistic and Proactive Approach
While daily BCA is a cornerstone, Theorem Metabolic offers a complete ecosystem of advanced tools and expert guidance:
Daily AI-Powered Insights: Our advanced algorithms analyse your daily data streams – BCA, CGM, activity tracking – to identify subtle patterns and trends, providing your coach with enhanced daily insights for even more precise micro-adjustments.
Experience the Theorem Metabolic Difference: Daily Data, Daily Optimisation, Daily Progress.
Stop guessing, start knowing. Stop waiting for weekly weigh-ins, start understanding your body today. Theorem Metabolic offers a truly revolutionary approach to health and performance – one that is built on daily data, expert daily coaching, and a relentless commitment to unlocking your unique metabolic potential, one day at a time.
Your Performance, squared²™

Just want to say thanks, I feel 100% leaner. With the little one being due been bit hard so I’m trying and slowly carry on chipping away have a good weekend.
Chris Reddan - International Cross-Fit Competitor tweet
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Visits during open hours are by appointment only. 24 Hours notice require for visitations.
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