Fitties Journal

Yes, creatine can make you gain weight, but it is almost certainly not the kind of weight you are worried about. The jump you see on the scale in your...

L-theanine is an amino acid found almost exclusively in tea leaves, and it is best known for one thing: it promotes a calm, relaxed state without making you drowsy. That...

Does creatine cause hair loss? There is no solid evidence it does. Where the myth started, what a 2025 trial found, and who should still be cautious.

Which hair, skin, and nails vitamins actually work? An honest look at biotin, silicon, collagen, vitamin C, and zinc, the hype to skip, and how to choose.

Creatine for women, explained: what it actually does, the bulking and water-weight myths, how much to take, and whether it's safe.

Most magnesium never reaches your brain. The common forms, oxide and citrate, do useful work in the gut and muscles, but they barely move the needle on magnesium levels inside...

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...

Most pre-workouts lean on excessive caffeine and label theater. This guide breaks down which ingredients are backed by research, which are filler, and includes a free scorecard to rate your...

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 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.

Most meal replacement shakes are just protein powder with better branding. Learn the ingredients that make a shake actually work as a meal, what to avoid, and how to build...

Omega-3 fatty acids are essential for athletes, but most modern diets fall short. Learn how EPA and DHA support recovery, inflammatory balance, and performance, and how to close the gap...

Monk fruit is one of the most effective natural sweeteners available for supplements, but most brands do not use it. Here is what it is, how it compares to the...

Beta-hydroxy beta-methylbutyrate (HMB) is one of the more well-researched ingredients in sports nutrition. This guide covers the clinical evidence, proposed mechanisms, practical dosing, and how FitRestore combines HMB with vitamin...

L-Glutamine is the most abundant amino acid in the human body, but demand can outpace supply during intense training, stress, or illness. This guide covers the science, the benefits, the...

L-ergothioneine is a naturally occurring antioxidant with a biological feature no other common antioxidant shares: a dedicated cellular transporter that concentrates it in the tissues that need it most. This...

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...