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The Bodybuilding Dietitians

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Bodybuilding Coaching
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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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The Five Most Common Nutrient Deficiencies for Lifters and How to Fix Them

The five nutrient deficiencies most commonly seen in active individuals: iron, vitamin D, magnesium, calcium, and iodine. A dietitian explains why each one matters, who is most at risk, the best food sources, and when supplementation is worth considering.

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Fibre Efficiency Ranked: Which Foods Deliver the Most Fibre Per Calorie

A visual ranking of 20 common whole foods by fibre efficiency, showing which foods deliver the most fibre per calorie and how to use this information to build a higher-fibre diet without overshooting your calorie budget.

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Vitamin D Explained: Benefits, Dosing, and What the Evidence Actually Shows

A dietitian's evidence-stratified guide to vitamin D covering its role in hormones, immunity, muscle function, and bone health, along with practical guidance on dosing, timing, and supplementation for lifters and physique-focused individuals.

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Protein Sources Ranked by Calories: Which Foods Are Actually Efficient?

A practical comparison of how much protein common foods and marketed "high-protein" products deliver relative to their calorie cost. A dietitian ranks whole food sources, examines popular high-protein snacks, and explains how to balance efficiency with overall dietary quality.

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The Complete Guide to Dietary Fibre: Intake, Types, and Health Benefits

A dietitian's complete guide to dietary fibre covering the three fibre types, recommended intake targets, the best food sources for lifters, and the health outcomes linked to adequate intake. Includes practical strategies for meeting fibre goals within a structured nutrition plan.

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Contest Prep Habits That Shape Your Experience and Stage Outcome

Thirteen habits and decisions that shape your contest prep experience and stage outcome. A dietitian explains the patterns that separate well-managed preps from reactive ones, and how to build the habits that compound in your favour over time.

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How Sleep Affects Muscle Growth, Fat Loss, and Appetite: What the Research Shows

How even a single week of poor sleep affects cortisol, hunger, muscle protein synthesis, insulin sensitivity, and testosterone. A dietitian explains what the research shows and provides practical strategies for improving sleep quality.

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Meal Plans for Fat Loss and Muscle Gain: Pros, Cons, and Alternatives

A dietitian's honest assessment of meal plans: when they reduce friction and support progress, when they become counterproductive, and how to use them as a stepping stone toward long-term nutritional independence.

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Outdated Bodybuilding Nutrition Practices and What Works Better

Five inherited bodybuilding nutrition practices that do not hold up under scrutiny, and the evidence-informed alternatives that produce better outcomes with less risk. A dietitian explains each one.

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How to Structure a Calorie Deficit: Four Approaches That Work

Four ways to structure a calorie deficit around your lifestyle and training, all producing the same weekly energy balance. A practical guide to choosing the approach that fits your routine, preferences, and goals.

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Do You Need to Track Macros? How to Decide Based on Your Goals

A practical decision-making framework for determining whether macro tracking suits your current goals, experience, and relationship with food, with guidance on when to track, when to stop, and what alternatives exist.

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High-Fibre Foods Ranked by Calories and Cost

A visual comparison of 38 common foods ranked by the calories, cost, and serving size needed to deliver 10 grams of dietary fibre, with practical insights for building a fibre-rich diet on a calorie budget.

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Gut Health for Lifters: Why Dietary Diversity Matters for Digestion

A practical guide to gut health for lifters and physique-focused individuals, covering why dietary diversity matters for the microbiome, how fibre and fermented foods support digestion, and what daily habits make the biggest difference.

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