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The Bodybuilding Dietitians

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Jack Radford-Smith
April 25, 2026

The Health Risks of Visceral Fat and the Evidence on How to Lower It

Jack Radford-Smith
April 25, 2026

Visceral fat surrounds your internal organs and influences insulin sensitivity, lipid metabolism, and cardiovascular risk in ways that subcutaneous fat does not. A dietitian explains what drives its accumulation and what the evidence shows about reducing it.

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Jack Radford-Smith
April 25, 2026

Eight Practical Ways to Make Fat Loss Easier and More Sustainable

Jack Radford-Smith
April 25, 2026

Fat loss requires a calorie deficit, but the variables that determine whether that deficit is sustainable go well beyond food intake alone. Eight practical strategies covering daily movement, food selection, sleep, meal timing, and life context.

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Jack Radford-Smith
April 20, 2026

Daily Macro Targets for Muscle Gain, Fat Loss, and Training Performance

Jack Radford-Smith
April 20, 2026

A practical breakdown of evidence-based protein, carbohydrate, fat, and fibre targets, and how to adjust each one sensibly depending on whether you are building, dieting, or maintaining.

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Jack Radford-Smith
April 18, 2026

Nine Nutrition Realities That Change How You Approach Training and Diet

Jack Radford-Smith
April 18, 2026

Nine evidence-based nutrition principles that cut through the noise of fitness industry messaging: from fasted training and superfood marketing to realistic muscle gain timelines and the supplements that actually matter.

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Jack Radford-Smith
April 13, 2026

Four Supplements Worth Taking: A Dietitian's Evidence-Based Guide

Jack Radford-Smith
April 13, 2026

The four supplements actually worth taking for lifters and active individuals: omega-3, vitamin D3, creatine monohydrate, and magnesium glycinate. A dietitian explains the evidence, dosing, form selection, and timing for each one.

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Jack Radford-Smith
April 10, 2026

Is Bodybuilding Unhealthy? The Risks, Benefits, and What Determines the Outcome

Jack Radford-Smith
April 10, 2026

Is bodybuilding unhealthy? A dietitian's honest, evidence-based assessment of the risks and benefits of physique sport, covering predisposing factors, the health spectrum, common misconceptions, and practical steps to minimise harm.

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Jack Radford-Smith
April 8, 2026

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

Jack Radford-Smith
April 8, 2026

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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Jack Radford-Smith
April 8, 2026

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

Jack Radford-Smith
April 8, 2026

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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Jack Radford-Smith
April 4, 2026

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

Jack Radford-Smith
April 4, 2026

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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Jack Radford-Smith
April 4, 2026

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

Jack Radford-Smith
April 4, 2026

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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Why Habits Beat Motivation for Diet and Training Consistency

Motivation rises and falls with sleep, stress and life, which makes it an unreliable foundation for consistency. Here is why habits beat motivation, how they actually form, and how to build ones that keep your nutrition and training on track even when motivation dips.

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How to Recover From Comp Prep: A Post-Show Guide

The phase after a bodybuilding show can be harder than prep itself. A practical guide to restoring energy availability, managing weight regain, choosing between a recovery and reverse diet, and rebuilding training, cardio and flexibility around food.

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Which Carbs Are Most Filling Per Calorie?

Some carbohydrate sources keep you much fuller per calorie than others. Here is how carb sources compare on food volume and fibre per 100 calories, and how to use that to choose the most filling carbs for fat loss and around training.

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How to Set Your Macros for Fat Loss, Muscle Gain or Recomp

Setting your macros works best as a sequence rather than four separate guesses. Here is how to set your calories first, then protein, fat and carbohydrate, with the numbers adjusted for fat loss, muscle gain or body recomposition.

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Saturated Fat and Heart Health | Why the Debate Needs More Context

The saturated fat debate usually gets reduced to saturated versus unsaturated, but the type of fat, its food source, and what replaces it in the diet all shape its effect on cardiovascular health. Here is what LDL cholesterol and ApoB show, what the outcome evidence from a 2020 Cochrane review found, why the food source of saturated fat matters, and the practical approach it all points to.

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Six Nutrition Facts You Probably Don't Know (But Should)

A second set of nutrition facts worth understanding more precisely than they usually get: why whole nuts provide fewer absorbable calories than the label says, what a 1,000mg fish oil capsule actually contains, why lactose-free milk tastes sweeter, what elemental magnesium means on a supplement label, how cooling rice changes its starch, and why protein costs more energy to digest than carbohydrate or fat.

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The Skills That Make Dieting Easier (and How You Build Them)

The first time you diet is the hardest, because you are learning how you respond while also trying to get a result. Dieting is a skill that improves with experience, not a fixed set of rules. Here are the specific skills that make fat loss easier, from managing hunger to recognising your own patterns, and why each phase you complete makes the next one more manageable.

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The Cost of Convenience: How Much Extra Are You Paying for It?

Pre-cut chicken, single-serve yoghurt, microwave rice, and instant oats make eating well easier, but the convenience often carries a steep price premium, from around 1.4 times the basic price up to more than twenty times for some pantry items. Here is how much extra you pay, when the nutrition changes and when it does not, and how to decide where the premium is worth it and where a little preparation saves a lot.

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Simple vs Complex Carbs: What Carbohydrate Structure Means

Carbohydrates are classified by how many sugar units are linked together, from single sugars through to the long chains that make up starches and fibre. Here is the carbohydrate hierarchy explained, why complex carbs are still built from sugars, and why a food's structure and what comes with it matter far more than whether it technically contains sugar.

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Convenient High-Protein Meals | No-Cook Options

When time is short, eating well is less about knowledge and more about what is easy to execute. Here is how to build balanced meals around four anchors (a protein, plant matter, a carbohydrate, and a fat) using convenient, pre-packaged foods, with ready-to-assemble examples for each meal and why this matters most for consistency on busy weeks.

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How to Keep Muscle in a Calorie Deficit | Four Key Factors

How you diet determines how much muscle you keep. Here is what each factor does, how they interact as a diet gets harder, and why the leaner you already are, the smaller the margin for an aggressive approach.

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Which Creatine Form Is Best? Every Type Ranked and Rated

The supplement industry has produced a long list of creatine forms, each marketed as an upgrade on monohydrate. Here is every common form ranked on whether its claims hold up in research and whether the price is justified, and why plain or micronised monohydrate remains the recommendation for almost everyone.

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The Pre-Prep Phase: How to Set Up a Successful Contest Prep

A pre-prep phase is the 4 to 12 week block that sets up a successful contest prep. Here is what the phase is, why skipping it costs you the early weeks of prep, how to run one across body composition, systems, mindset, and health, and the few variables that should be left to shift once prep actually begins.

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