Supplements
Fitness and nutrition articles on Supplements, summarized from trusted, evidence-based sources: PubMed, Examine.com, ACSM, Mayo Clinic, Harvard Health, WHO.
Vitamin D for Athletes: What the Evidence Actually Shows
Vitamin D supports bone, muscle, and immune health for athletes — an evidence-based overview from Examine.com, with guidance on testing before supplementing.
L-Carnitine for Exercise: What the Evidence Actually Shows
L-Carnitine is marketed as a fat burner, but 101 trials and 18 meta-analyses show far more modest effects than the ads suggest.
How Much Protein to Build Muscle? The ISSN Guidelines
The ISSN protein position stand: daily targets, per-meal doses, timing and quality for building muscle.
Creatine timing: what the evidence says
A short evidence-based look at creatine timing around workouts.