Fitties Journal

Bifidobacterium animalis subsp. lactis B420 (HOWARU Shape) is a patented, clinically studied probiotic strain. This article covers the research, proposed mechanisms, and what to look for in a B420 supplement.

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...

Collagen is the protein your body relies on more than any other, and production starts declining earlier than most people realize. This guide covers what collagen does, what the clinical...

ATP is the energy behind every muscle contraction. This guide breaks down how the three energy systems produce it, how training and nutrition affect ATP availability, and what clinical research...