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The Bodybuilding Dietitians

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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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Jack Radford-Smith
March 30, 2026

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

Jack Radford-Smith
March 30, 2026

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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Jack Radford-Smith
March 28, 2026

Contest Prep Habits That Shape Your Experience and Stage Outcome

Jack Radford-Smith
March 28, 2026

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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Jack Radford-Smith
March 28, 2026

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

Jack Radford-Smith
March 28, 2026

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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Jack Radford-Smith
March 25, 2026

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

Jack Radford-Smith
March 25, 2026

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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Jack Radford-Smith
March 23, 2026

Outdated Bodybuilding Nutrition Practices and What Works Better

Jack Radford-Smith
March 23, 2026

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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Jack Radford-Smith
March 21, 2026

How to Structure a Calorie Deficit: Four Approaches That Work

Jack Radford-Smith
March 21, 2026

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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Jack Radford-Smith
March 18, 2026

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

Jack Radford-Smith
March 18, 2026

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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Jack Radford-Smith
March 17, 2026

High-Fibre Foods Ranked by Calories and Cost

Jack Radford-Smith
March 17, 2026

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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Jack Radford-Smith
March 15, 2026

Gut Health for Lifters: Why Dietary Diversity Matters for Digestion

Jack Radford-Smith
March 15, 2026

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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What Makes Coaching Different From Just Following a Plan

Anyone can hand you a plan and tell you to follow it. Coaching is a different skill. Here is what separates being told what to do from being coached through the process, and why the distinction is worth understanding whether you are looking for a coach or evaluating the one you already have.

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Hunger vs Appetite: A Quick Test to Tell Them Apart

Hunger and appetite can feel identical in the moment. Here is the difference between them, a simple apple test you can run before you eat, and what to do with the answer, whether it points toward physical hunger or something else.

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Fish Oil vs Omega-3: How to Read a Label and Dose It Properly

Fish oil and omega-3 are not the same thing, which is where most of the confusion around supplements begins. Here is the difference between ALA, EPA, and DHA, how much omega-3 is worth aiming for, why the combined EPA + DHA figure on a label matters more than total fish oil, and what the cardiovascular and recovery evidence actually shows.

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Peak Week for Bodybuilders: The Errors That Cost Conditioning

Peak week is one of the least researched areas in physique sport, which is exactly why it is so easy to get wrong. Here are the physiological and psychological errors that most often undo a good prep in the final week, and the calm, tested approach that protects the conditioning you have already built.

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What Is a Mini-Cut? A Guide to Faster Fat Loss That Protects Muscle

A mini-cut is a short, more aggressive period of fat loss, usually two to eight weeks, whose main purpose is to extend a building phase rather than to get stage-lean. This guide covers what a mini-cut is, why the building-phase logic matters more than the fat-loss framing, how to set the deficit and protect training while you run it, and the practical considerations (calorie headroom, dieting experience, motivation, and a productive end point) that determine whether it is the right choice for you at all.

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The Most Nutrient-Dense Foods Per Calorie: A Ranking Reference

Some foods deliver substantially more nutrition per calorie than others. A composite ranking of common foods based on their combined delivery of iron, calcium, magnesium, potassium, zinc, B12, folate, vitamin E, and fibre per 100 calories, plotted alongside protein per 100 calories so both physique-relevant and general-health density can be compared at once. Includes the specific caveats about absorption, serving size, and the limited nutrient panel that shape how the ranking should be interpreted, plus practical guidance on comparing foods within categories and identifying specific gaps in a current food rotation.

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Why Am I Not Building Muscle? Five Common Profiles Behind a Plateau

Plateaus are rarely caused by one variable in isolation. A typology of the five most common lifter archetypes when physique progress stalls: the Under-Fueller (training and nutrition quality high but energy intake low), the Overtrainer (excessive volume compromising recovery), the Chronic Dieter (too long in a deficit), the Junk-Volume Lifter (adequate volume but low training quality), and the Burnout Risk (everything covered except sleep). Each archetype has a specific limiter and a corresponding fix, and identifying which pattern applies matters more than adding new variables to optimise.

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Eat the Rainbow: What Each Colour Group of Plants Actually Delivers

Different coloured plants deliver different phytonutrients, micronutrients, and fibre types. A guide to what green (vitamin K, folate, lutein, sulforaphane), red/blue/purple (anthocyanins, lycopene, resveratrol), yellow/orange (beta-carotene, vitamin A, bioflavonoids), and white (allicin, quercetin, allium compounds) plants actually contribute nutritionally, and why building variety across the spectrum matters as much as the total volume of vegetables and fruits consumed.

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Are You Actually Ready for Contest Prep? A Readiness Framework Before You Commit

Wanting to compete and being ready to compete are not always the same thing. A structured framework for assessing your readiness across five dimensions before committing to a contest prep: physical readiness (muscle base and time), behavioural readiness (established fundamentals in training, nutrition, and sleep), psychological readiness (personally meaningful reason for competing plus stable relationship with body and food), relational readiness (communication with partner and family), and practical readiness (realistic understanding of what prep actually looks like day-to-day).

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The Complete Guide to Caffeine: What It Does, How to Dose It, and How to Use It Well

Caffeine has one of the strongest evidence bases of any performance supplement, with consistent effects on training performance through central nervous system stimulation. A complete guide covering the adenosine receptor mechanism, the specific performance and cognitive benefits, dosing at 3 to 6 milligrams per kilogram of bodyweight, timing around training and sleep, individual response variation from genetic differences in caffeine metabolism, side effect management, and the coaching-level distinction between using caffeine to enhance well-supported training versus relying on it to make an under-recovered athlete feel ready to train.

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Protein Quality Ranked: A Guide to Animal and Plant Protein Sources

Protein quality and protein content are two different things. A DIAAS reference for common animal and plant protein sources plotted against protein per calorie, covering what DIAAS actually measures, why animal proteins consistently score higher, why individual plant proteins score lower and how complementary combining addresses this, and when protein quality actually matters for lifters at different training and dieting contexts.

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Seven Patterns Worth Auditing When Physique Progress Slows

Progress slowing rarely reflects a lack of effort. A diagnostic guide to the seven patterns that most commonly hold experienced physique athletes back, including macro-over-micro thinking, ignoring mental health and burnout signs, program hopping, chasing instant gratification, overlooking recovery, majoring in the minors, and prioritising supplements before nutrition. Includes the audit framework to identify which pattern is currently limiting your progress and the specific correction for each.

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How to Build Muscle: The Four Priorities in Order of Importance

Muscle growth is simple in theory but often mis-prioritised in practice. A hierarchy of the four variables that drive muscle gain ranked by impact: adequate training stimulus, adequate nutrition (0.5 to 1 percent bodyweight gain per month, 1.6 to 2.2g protein per kilogram), adequate recovery (7 to 9 hours of sleep, structured rest days and deloads), and well-researched supplements (creatine, whey protein, caffeine). Why the order matters more than any single variable in isolation, and how to identify which level currently caps your progress.

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