The Fitties Journal

Overhead closeup of chicken salad in bowl on industrial tabletop

Macronutrients for Performance, Explained

March 04, 2026Robert Martin

Protein builds. Carbs fuel. Fats regulate. This guide breaks down how each macronutrient works, how to balance them for your goals, and includes a free macro calculator to get your...

Male bodybuilder scooping protein powder into shaker bottle

Bodybuilding Nutrition for Beginners

March 01, 2026Robert Martin

A practical guide to bodybuilding nutrition for beginners covering protein, carbohydrates, fats, micronutrients, hydration, and meal timing, plus a free protein intake calculator to find your daily target.

Naturally gluten-free meal with eggs, avocado, and vegetables for athletes

Gluten-Free Sports Nutrition for Athletes: How to Choose the Right Supplements

March 01, 2026Robert Martin

Athletes who need to avoid gluten face unique fueling and supplement challenges. This guide covers who truly benefits from gluten avoidance, how to meet performance nutrition needs with gluten-free foods,...

Young woman preparing a fresh salad in a modern kitchen

Dietary Restrictions and Food Allergies for Athletes

March 01, 2026Robert Martin

Athletes with dietary restrictions face unique nutritional challenges that most guides ignore. Learn how to read supplement labels with precision, identify hidden allergens, and fill the gaps your restricted diet...

Bowls of muesli with fresh berries and yogurt

High-Protein Meals in Under 10 Minutes

February 28, 2026Robert Martin

Seven high-protein meals, all under 10 minutes. Full macros, real ingredients, no filler recipes. Plus an interactive Meal Builder with 1,500+ possible combinations so you can create something that fits...

Spoonful of veggie supplement capsules with various vegetables in the background

The Plant-Based Athlete's Supplement Strategy: What You Actually Need

February 26, 2026Robert Martin

A plant-based diet can fuel serious athletic performance, but it creates predictable nutrient gaps. This guide covers exactly where those gaps are, which supplements close them, and how to build...

Overhead view of keto-friendly brunch foods on white table

The Ketogenic Diet: How It Works, What to Eat, and What to Know

February 22, 2026Robert Martin

The ketogenic diet shifts your body's primary fuel source from glucose to fat through a high-fat, moderate-protein, very-low-carbohydrate eating plan. This guide covers the science of ketosis, the different keto...

Closeup of keto-friendly salad in teal bowl on black wood tabletop

Keto Diet: A Week-Long Meal Plan with Guidelines

February 22, 2026Robert Martin

A complete week-long keto meal plan with breakfast, lunch, and dinner for each day, designed to align with ketogenic macronutrient guidelines. Includes practical tips for meal preparation and staying on...

Athlete holding his stomach during outdoor exercise, experiencing digestive discomfort

Low-FODMAP Diets and Supplements for Athletes

February 22, 2026Robert Martin

Athletes with digestive sensitivities face a double challenge: exercise itself can increase gut distress, and many sports nutrition products contain hidden FODMAP triggers. This guide covers the low-FODMAP protocol, how...

Female performing exercises with battle ropes

Intermittent Fasting: Benefits, Risks, and How to Get Started

September 11, 2025Robert Martin

Intermittent fasting is more than a trend. This guide covers the science behind IF, its potential benefits for weight management and metabolic health, the risks to consider, who should and...