The Fitties Journal

Woman at a bright kitchen counter holding a glass of water and loose capsules, deciding which magnesium form to take

Magnesium L-Threonate vs Glycinate: Which One You Need

July 08, 2026Robert Martin

Glycinate for evening calm and sleep, L-threonate for brain magnesium and cognition. How the two forms differ, doses, and how to use them together.

Woman relaxing on a sofa with a coffee while reading a book

L-Theanine Benefits: Calm, Focus, and Sleep, Explained

June 30, 2026Robert Martin

L-theanine promotes calm without drowsiness. Research-backed doses (100-400mg by goal) and the 1:1 caffeine pairing that smooths the jittery edge.

Woman in a green jacket outdoors with a bottle of Fitties FitNeuro above her open palm

Magnesium L-Threonate Benefits: What the Research Actually Shows

June 27, 2026Robert Martin

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.

Athlete maintaining focus during training while performing gymnastic ring exercises

Focus During Training: Strategies for Athletic Execution

March 03, 2026Robert Martin

Focus during training is rarely about effort. It is about structure, refocus speed, and reducing unnecessary decisions. This guide breaks down practical strategies athletes use to maintain execution consistency across...

L-ergothioneine antioxidant supplement capsules

L-Ergothioneine: The Antioxidant Your Cells Actively Seek Out

February 26, 2026Robert Martin

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...

Bottle of magnesium supplement and capsules featuring Magtein

Magnesium Supplements: Forms, Benefits, and How to Choose

February 25, 2026Robert Martin

Magnesium is involved in over 300 enzymatic reactions, yet nearly half of Americans do not get enough. This guide compares supplement forms, explains why absorption varies so widely, and covers...

Woman meditating cross-legged at home in a calm, sunlit room

Meditation for Focus, Stress, and Performance

July 26, 2025Robert Martin

Research supports meditation as a tool for sharpening focus, supporting cognitive function, and building mental resilience. Here's what the science says and how brain-targeted nutrition can complement your practice.