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The Bodybuilding Dietitians

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Jack Radford-Smith
May 25, 2026

Why Progress Stalls: A Framework for Identifying Training and Nutrition Plateaus

Jack Radford-Smith
May 25, 2026

A stalled scale or a stuck lift is a symptom, not a diagnosis. This framework identifies nine plateau causes across four categories, with the signs for each and the appropriate response, so the intervention matches the actual mechanism driving the stall.

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Jack Radford-Smith
May 23, 2026

Contest Prep: Five Factors That Determine Peak Conditioning on Stage

Jack Radford-Smith
May 23, 2026

Most of what decides how a competitor looks on stage is determined before the deficit starts. Starting body composition, underlying muscle mass, rate of loss, timeline, and psychological readiness are the five variables that shape a bodybuilding prep from the inside out.

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Jack Radford-Smith
May 20, 2026

Nutrition Priorities: What to Focus On First for Body Composition and Performance

Jack Radford-Smith
May 20, 2026

Nutrition decisions are often approached in the wrong order. A dietitian maps six common pairings where effort is frequently directed at the lower-return variable before the higher-return one is consistently managed, and explains the right priority order for body composition and performance.

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Jack Radford-Smith
May 18, 2026

Which Foods Give You the Most Fibre and Volume Per Calorie?

Jack Radford-Smith
May 18, 2026

A scatterplot of over 50 foods mapping grams of food and grams of fibre per 100 calories, showing which options best support satiety and fibre targets simultaneously.

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Jack Radford-Smith
May 15, 2026

Why Every Popular Diet Works Through the Same Mechanism

Jack Radford-Smith
May 15, 2026

Every popular diet, from keto to intermittent fasting to paleo, produces weight loss through the same mechanism: a calorie deficit. A dietitian explains the common mechanism, why adherence determines outcomes more than diet type, and what this means for choosing a dietary approach.

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Jack Radford-Smith
May 13, 2026

Diet Fatigue: Why Dieting Gets Harder Over Time and How to Manage It

Jack Radford-Smith
May 13, 2026

Diet fatigue is a predictable physiological and psychological response to sustained energy restriction, not a sign of inadequate motivation. A dietitian explains the mechanisms behind it, how to recognise the signals that warrant action, and the strategies that help a fat loss phase keep progressing.

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Jack Radford-Smith
May 12, 2026

Food Volume vs Protein Per 100 Calories: Which Foods Do Both Best?

Jack Radford-Smith
May 12, 2026

A scatterplot of over 40 foods mapping grams of food and grams of protein per 100 calories, showing which options best support hunger management and protein targets simultaneously.

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Jack Radford-Smith
May 10, 2026

Energy Metabolism Explained: How Macronutrients Are Processed and Stored

Jack Radford-Smith
May 10, 2026

The body processes protein, carbohydrates, and fat simultaneously, with the relative contribution of each shifting based on energy availability and training demands. A dietitian explains the metabolic pathways of each macronutrient and why no single one causes fat gain in isolation.

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Jack Radford-Smith
May 6, 2026

Natural and Artificial Sweeteners Compared: What the Evidence Shows

Jack Radford-Smith
May 6, 2026

Sweeteners vary considerably in caloric content, glycaemic impact, digestive tolerance, and the quality of available safety evidence. A dietitian breaks down natural sweeteners, sugar alcohols, stevia, monk fruit, aspartame, sucralose, and saccharin across all four categories.

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Jack Radford-Smith
May 4, 2026

Body Recomposition Guide | How to Build Muscle and Lose Fat at the Same Time

Jack Radford-Smith
May 4, 2026

Body recomposition, building muscle and losing fat simultaneously, is more achievable than most people realise and slower than most content suggests. A dietitian explains who it works for, how to structure it, and how to track progress when the scale is barely moving.

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Why Your Gaining Phases Keep Failing | The Cycle That Cuts Bulks Short

Why do so many lifters spend years in the gym without building meaningful muscle? A guide to the self-reinforcing cycle where fear of fat gain repeatedly cuts the gaining phase short before muscle actually builds, the psychological asymmetries that drive premature phase termination, and what a productive gaining phase actually requires in terms of surplus size, duration, and tracking approach.

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Can You Take Bodybuilding Seriously and Still Have Balance?

Balance in bodybuilding rarely looks like a 50/50 split, and it doesn't need to. A 90/10 framing that lets a high standard in the sport coexist with the rest of life, with practical examples across training, nutrition, sleep, and social events, and guidance on how the ratio shifts across improvement seasons, contest prep, and different competitive levels.

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Know Your Macros | How Protein, Carbs, and Fats Distribute Across Common Foods

Almost every food carries all three macronutrients, not just one. A visual reference showing how protein, carbohydrate, and fat actually distribute across common protein sources, carbohydrate sources, and fat sources, with the practical implications for building meals around specific calorie and macro targets. The article covers ten common protein sources, thirteen carbohydrate sources, and twelve fat sources across three stacked bar charts, with guidance on matching source selection to fat loss, muscle gain, and general dietary variety.

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How Many Calories Should You Eat? Why the Answer Is More Individual Than You Think

Two people with the same height, weight, age, and gender can have calorie requirements that differ by 1,000 or more calories per day. A walk through the six variables that shape individual maintenance, why comparison charts and calculators tend to miss the mark, and how to identify your own maintenance more accurately than any equation can through 2 to 4 weeks of personal tracking data.

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Post-Workout Nutrition for Lifters: How to Structure the Peri-Workout Window

The anabolic window has been softened considerably by the research, but the meal around training remains a genuinely valuable opportunity to refuel and get quality nutrition into the day. A practical guide to structuring the six-hour peri-workout window, the protein and carbohydrate targets that support recovery, the plate-building principles that apply to the post-workout meal, and the specific exception cases where speed of digestion genuinely matters.

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The Most Satiating Foods per 100g: A Protein and Fibre Density Chart

Foods that combine meaningful protein and fibre content per 100 grams tend to contribute more to daily satiety than foods that provide very little of either. This is a visual map of common foods plotted by their protein and fibre density, grouped by food category, showing where each sits on both variables and how to use the pattern to inform food selection during fat loss, muscle gain, and general dieting.

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How to Manage Hunger During Contest Prep: A Practical Guide for Competitors

Hunger is inevitable during a contest prep, and the competitors who manage it well tend to accept it as a condition of the sport rather than an emergency. A practical guide covering satiety strategies, the distinction between hunger and food focus, meal structure across a twelve to twenty week deficit, and the specific patterns that make prep harder than it needs to be.

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Everything Worth Knowing About Creatine: Muscle, Brain, and Practical Use

Creatine monohydrate has the deepest evidence base of any performance supplement, with consistent effects on strength, power, and lean mass alongside emerging research on cognitive function and mental fatigue resistance. A complete guide to how creatine works, how to dose it for physical and cognitive benefits, what the water retention actually represents, and why monohydrate remains the recommended form.

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Why Your Tracking App's Calorie and Macro Totals Don't Line Up

The calorie total and the sum of the macros in a tracking app rarely add up to the same number. A guide to the five reasons behind the discrepancy (user-generated entries, rounding, Atwater factor variability, calorie versus kilojoule precision, and hidden energy contributors like sugar alcohols and alcohol) and when the difference actually matters across different phases of training and dieting.

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The Five-Part Meal Framework for Training, Recovery, and Body Composition

Meals can hit macros and still fall short on fibre, food variety, vegetable portioning, fat source rotation, and micronutrient adequacy. A five-part meal framework for lifters and physique athletes that addresses the quality variables macro tracking misses, with four worked examples showing how the framework applies across different meal styles.

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Rising Bowel Cancer Rates in Young Adults: A Dietitian's Evidence-Based Guide

Bowel cancer incidence has been rising in adults under 50 for two decades. A dietitian walks through what current evidence suggests is driving the shift, and the practical dietary and lifestyle habits that consistently show up as protective across large prospective studies, from fibre and processed meat intake to body composition, physical activity, and alcohol consumption.

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Which Supplements Are Worth Your Money? Creatine, Caffeine, and Everything Else

Creatine monohydrate and caffeine are the two supplements with the most consistent evidence for improving training performance. A guide to what each does, how to dose and time them, how to manage sleep and caffeine tolerance, and how to structure them within a broader supplement approach for serious lifters.

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Do BCAA Supplements Work? A Dietitian Compares BCAAs, EAAs, and Whey

BCAAs stimulate muscle protein synthesis, but the response sits below what complete protein sources produce. A dietitian compares BCAAs, EAAs, and whey protein isolate on amino acid profile, muscle protein synthesis response, and practical value, with a framework for deciding which (if any) belongs in your supplement stack.

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