Fitties Journal

The one magnesium form shown to raise brain magnesium. What small but encouraging human trials show for memory and sleep, and the doses studies used.

Most supplement stacks are built on impulse, not strategy. This guide teaches a three-layer framework for choosing, combining, and timing your supplements. Then use the free Supplement Stack Builder to...

The most researched sports supplement deserves more than a vague label claim. Get a personalized creatine dosing protocol with our interactive calculator, plus the science on how creatine works and...

Almost every pre-workout is built from the same handful of ingredients. The difference is the dose. Here is what each one does, the amount the research actually uses, and the...

Berberine has been called everything from "nature's Ozempic" to a metabolic miracle. The clinical data tells a more interesting, more nuanced story. Here's what the research actually supports, who berberine...

Most weight loss advice is either oversimplified or overcomplicated. This guide covers the fundamentals that actually matter: caloric deficit, body composition, protein, sleep, stress, and smart supplementation. Built for people...

Most pre-workout labels are designed to impress, not inform. Learn how to read the Supplement Facts panel, evaluate ingredient dosing, and separate real performance support from marketing noise.

Not all plant-based protein powders are created equal. Learn how to evaluate amino acid profiles, digestibility, sweetener quality, and micronutrient support to find a formula that actually performs.

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,...

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...

HMB is dosed by body weight, not a flat 3 grams. What the 2025 ISSN position stand says HMB supplements do, who they help most, and who can skip them.

Antioxidants help protect cells from oxidative stress, but the supplement aisle offers dozens of options with vastly different mechanisms. This guide breaks down how each major antioxidant works, what the...

Probiotics are live microorganisms studied for their role in digestive and immune health. This guide covers how they work, which strains matter, how to select and take a quality supplement,...

A focused stack of 3 to 5 well-chosen products beats a cabinet of mediocre ones. The three-layer framework for what to buy, what to skip, and why.

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...

Most supplement labels are designed to impress, not inform. This guide breaks down every section of the Supplement Facts panel, explains what ingredient forms and dosages actually tell you, and...

Athletes burn through micronutrients faster than the general population, and most don't replace them fast enough. This guide breaks down which vitamins and minerals matter most for performance and recovery,...