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The Bodybuilding Dietitians

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Jack Radford-Smith
October 11, 2025

The Truth About Fruits and Vegetables: Why You’re Probably Not Eating Enough

Jack Radford-Smith
October 11, 2025

Discover how fruits and vegetables compare in calories, carbs, and nutrients, and learn why colour diversity supports gut health, recovery, and long-term performance.

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Jack Radford-Smith
October 10, 2025

Bodybuilding Prep Mistakes That Sabotage Your Results

Jack Radford-Smith
October 10, 2025

Learn the most common competition prep red flags that can derail your progress, from binge eating to burnout. Discover how to recognise these warning signs early and approach bodybuilding prep with discipline, balance, and awareness.

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Jack Radford-Smith
October 3, 2025

Calorie Calculators Are Lying to You | Here’s How to Find Your Targets

Jack Radford-Smith
October 3, 2025

Calorie calculators can only estimate your needs. Learn how to accurately find maintenance calories, set your macros, and adjust for fat loss or muscle gain. A practical, evidence-based guide to building or cutting without guesswork.

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Jack Radford-Smith
October 3, 2025

The Hard Reality of Bodybuilding Prep (And How to Prepare for It)

Jack Radford-Smith
October 3, 2025

Bodybuilding prep is one of the toughest challenges in sport, but it’s not for beginners. Learn why prep exposes every weakness, what you need before starting, and how to set yourself up for success on stage.

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Jack Radford-Smith
September 29, 2025

The Athlete’s Guide to Food Diversity for Gut Health and Performance

Jack Radford-Smith
September 29, 2025

Discover why eating the same meals every day may hold back your health and performance. Learn how simple food swaps boost nutrition diversity, gut health, recovery, and long-term results.

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Jack Radford-Smith
September 26, 2025

Sugar Alcohols and Digestion: Pros, Cons, and Evidence-Based Guidance

Jack Radford-Smith
September 26, 2025

Sugar alcohols are marketed as a low-calorie swap for sugar, but do they really help with fat loss and performance, or just cause bloating and hidden calories? Discover the evidence, pros, and cons of sugar alcohols in this science-based guide.

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Jack Radford-Smith
September 24, 2025

8 Hard Truths About Bodybuilding Prep You Need to Hear

Jack Radford-Smith
September 24, 2025

Discover the hard truths of bodybuilding, from delayed gratification to evolving standards. Learn what it really takes to succeed in competitive bodybuilding and how to prepare smarter with evidence-based coaching.

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Jack Radford-Smith
September 22, 2025

How to Improve Gut Health Naturally (Without Supplements)

Jack Radford-Smith
September 22, 2025

Discover what really drives gut health. Learn why fibre, whole foods, and fermented foods beat powders and “gut resets”, and the science-backed steps you can take to build a healthy gut microbiome.

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Jack Radford-Smith
September 22, 2025

Bodybuilding Prep Mistakes: Why Comparison Hurts Your Performance

Jack Radford-Smith
September 22, 2025

Copying another athlete’s bodybuilding prep won’t win you a trophy. Learn why comparison is harmful, what truly determines success on stage, and how to stay focused on your individualised prep plan.

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Jack Radford-Smith
September 17, 2025

Are You Deficient in Iron or Calcium? Here’s What You Need to Know

Jack Radford-Smith
September 17, 2025

Most adults miss their daily iron and calcium targets, risking fatigue, poor recovery, and long-term bone health issues. Learn why these nutrients matter, how much you need, and how to actually meet requirements through food and supplementation.

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Jack Radford-Smith
September 17, 2025

The Science of Carbohydrate Digestion and Absorption

Jack Radford-Smith
September 17, 2025

Carb digestion doesn’t happen in one step, it’s a complex process involving enzymes, stomach acid, and your gut microbiome. Learn how your body digests and absorbs carbohydrates, why fibre is vital, and how carbs support both energy and long-term health.

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Jack Radford-Smith
September 15, 2025

The Best Foods and Nutrients to Prevent Hair Loss

Jack Radford-Smith
September 15, 2025

Hair loss is often genetic, but nutrition and lifestyle can still support hair health. Learn the best foods, nutrients, and supplements for hair growth, plus evidence-based strategies for sleep, stress, and recovery.

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Jack Radford-Smith
September 13, 2025

Bodybuilding Success: Why Your Placing Doesn’t Define You

Jack Radford-Smith
September 13, 2025

Placing in bodybuilding shows doesn’t define your success. True progress comes from discipline, effort, and personal growth. Learn why internal victories matter more than trophies, and how to redefine success in a sport where only a few walk away with medals.

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Jack Radford-Smith
September 10, 2025

4 Food Combinations That Boost Nutrient Absorption

Jack Radford-Smith
September 10, 2025

Discover the science of food synergy. Learn how pairing foods like vitamin C with iron, olive oil with tomatoes, and rice with beans can significantly boost nutrient absorption, performance, and health. Simple, evidence-based food hacks to optimise your diet.

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Jack Radford-Smith
September 9, 2025

Cutting vs Bulking: Smart Food Swaps to Maximise Results

Jack Radford-Smith
September 9, 2025

Discover how to adjust meals for cutting or bulking without compromising nutrition quality. Learn practical food swaps that maintain protein, fibre, and micronutrients while tailoring calorie density to your body composition and performance goals.

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Jack Radford-Smith
September 5, 2025

How to Prep Smarter: Evidence-Based Truths of Contest Prep

Jack Radford-Smith
September 5, 2025

Discover the real truths of bodybuilding contest prep. Learn why extreme restriction, endless cardio, and Instagram comparisons don’t define success, and what actually matters for stage readiness.

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Jack Radford-Smith
September 3, 2025

Eat More Fibre, Live Longer: The Science of Diet and Longevity

Jack Radford-Smith
September 3, 2025

Discover how eating more dietary fibre lowers the risk of disease, improves gut health, and supports longevity. Learn about fibre types, high-fibre foods, and practical strategies to boost your intake.

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Jack Radford-Smith
September 1, 2025

Magnesium Benefits for Health and Performance: Evidence-Based Guide

Jack Radford-Smith
September 1, 2025

Magnesium plays a role in over 300 enzymatic reactions, supporting energy, recovery, blood pressure, bone health, and inflammation control. Yet many adults fall short of their daily needs. Learn the evidence-based benefits of magnesium, optimal food sources, dosing recommendations, and who benefits most from supplementation.

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Jack Radford-Smith
August 29, 2025

The Science of Peak Week Hydration for Bodybuilders

Jack Radford-Smith
August 29, 2025

Cutting water in peak week is one of the biggest mistakes bodybuilders make. Muscles are ~75% water, and without proper hydration, fullness, vascularity, and glycogen storage suffer. Learn the science behind peak week hydration and why consistency with water and sodium is key to bringing your best physique to the stage.

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Jack Radford-Smith
August 27, 2025

How to Maximise Your Bodybuilding Off-Season

Jack Radford-Smith
August 27, 2025

Learn the most common off-season bodybuilding mistakes that sabotage progress, from poor training and unstructured nutrition to neglecting recovery. Discover evidence-based strategies to make your improvement season truly productive and set the stage for your best physique yet.

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Our Instagram:

The harsher the prep, the harder the rebound.

A new qualitative study from Buechel et al. (2025) reveals what many athletes already know, but don’t voice enough, recovery after comp prep can be more confronting than the prep itself.

This pape
Your mindset can make or break your success and longevity in bodybuilding.

Bodybuilding isn’t just a physiological sport. It’s a psychological one.

Two athletes can follow the same protocol and end up with completely different outcomes.
Bodybuilding isn’t just a two-phase sport of comp prep and off-season.

As shown in the infographic above, physique athletes should cycle through four distinct phases, all of which serve a unique physiological, psychological, and developmental
Pink salt is fantastic…

At giving you salt.

Although, when it comes to contributing useful amounts of other essential minerals like potassium, magnesium, calcium, iron or manganese, the data is overwhelmingly underwhelming.

The key distinct
We’re excited to introduce Lauren, our newest dietitian joining The Bodybuilding Dietitians team!

Lauren is an Accredited Practising Dietitian and natural IFBB bikini athlete who blends expert nutrition knowledge with firsthand physique coachi
If your deficit “isn’t working”, you could just be eating more than you think.

It’s incredibly common to feel stuck, dieting perfectly on paper, yet watching the scale refuse to budge. When this happens, the mind immediately
Don’t let poor fuelling be the bottleneck of your progress.

You can have the perfect training program, great execution, and the best intentions, but if you’re consistently under-fuelled or poorly fuelled, your performance and progress wi
Featured
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Reverse Dieting vs Recovery Dieting: What Actually Works After a Competition Prep?

New research shows why post-show recovery is often harder than prep for physique athletes. Learn how hunger, body image, and rebound are influenced by low energy availability.

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The Mindset Shift Every Bodybuilder Must Make to Succeed Long-Term

Discover how mindset influences bodybuilding success. Learn the traits that separate less mature athletes from experienced competitors and how to develop long-term resilience.

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How to Structure Your Year as a Physique Athlete (The 4 Essential Phases)

Learn the four essential phases of a physique athlete, consisting of off-season, pre-prep, comp prep, and recovery, and how each stage contributes to long-term bodybuilding progress.

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Is Pink Salt Really Healthier? Evidence Says Otherwise

Pink Himalayan salt contains trace minerals, but does it meaningfully improve your health? Learn what the science shows about pink salt, iodine, and mineral intake.

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Why Your Calorie Deficit Isn’t Working: The Hidden Calories Blocking Fat Loss

Struggling to lose weight even though you’re “perfectly” sticking to your calories? Small tracking mistakes can erase a calorie deficit without you realising. Learn the top hidden calorie culprits and how to fix them for consistent fat loss.

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What to Eat Before Training: Pre-Workout Nutrition Guide for Meal Timing and Digestion

Learn exactly what to eat before a workout for better performance, energy, and muscle gain. A simple evidence-based guide to pre-workout meal timing and fuel choices.

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Peak Week, Training, and Nutrition Mistakes That Sabotage Your Prep

A breakdown of the most damaging contest prep errors across nutrition, training, recovery, and peak week. Understand what undermines your physique and how to avoid it.

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How to Fix the Most Common Macro Tracking Mistakes

Learn the three simple but powerful steps that dramatically improve macro tracking accuracy. Discover how raw weight, accurate entries, and grams can make your nutrition tracking more reliable and help you reach your physique goals faster.

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The Science of Muscle Retention: How to Keep Your Gains During a Calorie Deficit

Want to lose fat without losing muscle? Learn the science-backed strategies to maintain lean mass while dieting, including ideal protein intake, training intensity, recovery, and rate of weight loss. Protect your gains and get leaner, stronger, and healthier.

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How Fast Should You Bulk or Cut? Evidence-Based Guidelines

Discover the science-backed “sweet spot” for how fast you should gain or lose weight. Learn why moving too quickly or too slowly can compromise muscle growth, fat loss, and performance, and how to find your ideal rate of progress.

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Do You Really Need to Track Your Macros? Understanding When Precision Matters

Not everyone needs to track every gram to make progress. In this article, we explore how the degree of nutrition tracking precision should scale with your goals, experience, and lifestyle. Learn when detailed macro tracking is useful, when mindful eating is enough, and how to transition between both approaches effectively.

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Before You Start Contest Prep: 7 Signs You’re Truly Ready to Compete

Thinking about starting contest prep? Learn how to assess your readiness, physically, mentally, and financially. Discover the key foundations for a successful, sustainable bodybuilding competition experience.

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Chrononutrition: The Science of Timing Your Meals for Better Results

Discover how to plan your meals throughout the day to optimise energy, recovery, and sleep. This evidence-based full day of eating guide, designed by sports dietitians, explains the science behind nutrient timing, protein distribution, and chrononutrition to help you perform your best.

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