The Fitties Journal

Magnesium-rich foods on dark slate: pumpkin seeds, almonds, spinach leaves, dark chocolate and chia seeds

Magnesium for Sleep: The 4 Forms and What Each One Does

July 31, 2026Robert Martin

Two pooled trials in older adults found magnesium shortened sleep onset by about 17 minutes, and the authors rate that evidence low quality (Mah and Pitre, 2021). Which form to...

Woman winding down before sleep with a warm drink in a softly lit bedroom

Supplements for Sleep: 6 Ingredients Backed by Research

July 13, 2026Robert Martin

Six sleep supplement ingredients worth understanding are melatonin, magnesium, L-theanine, glycine, GABA, and 5-HTP. What each does, study doses, and the cautions.

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

Suntheanine vs L-Theanine: What Differs and What the Research Shows

June 30, 2026Robert Martin

L-theanine is an amino acid from tea leaves, and one branded form is made with enzymes instead of extracted from the leaf. Here is what that changes, what the research...

Woman sleeping peacefully in bed in a dark, comfortable bedroom

Why Sleep Is the Most Underrated Performance Tool

February 28, 2026Robert Martin

Sleep isn't a passive shutdown. It's when your body repairs, your brain consolidates, and your hormones recalibrate. Here's the science behind sleep quality and the nutritional factors that support it.