Fitness Articles

Learn the science behind body composition, nutrition, and training

Body Composition

How to Test Body Fat Percentage at Home (Without a DEXA Scan)

Compare every at-home body fat test — tape measure, calipers, smart scales, and AI photo scans — so you can pick the right alternative to a DEXA scan.

Mar 6, 20264 min read
GLP-1 & Ozempic

How Long Do Semaglutide Side Effects Last? A Timeline by Side Effect

Most semaglutide side effects peak during dose escalation and fade in 4–8 weeks. Here's a timeline for nausea, constipation, hair loss, and the rare ones.

Mar 6, 20264 min read
Body Composition

Body Recomposition: How to Build Muscle and Lose Fat at the Same Time

A step-by-step guide to body recomposition — losing fat and building muscle simultaneously. Nutrition, training, and how to track real progress.

Mar 4, 20267 min read
GLP-1 & Ozempic

GLP-1 Supplements: Do Natural GLP-1 Alternatives Actually Work?

GLP-1 supplements claim to mimic Ozempic naturally. Here's what berberine, yerba mate, and other ingredients actually do — and the dose gap nobody mentions.

Feb 27, 20266 min read
GLP-1 & Ozempic

Ozempic Face: What It Is, Why It Happens, and What You Can Do About It

39% of weight lost on Ozempic is lean mass — and your face shows it first. Here's what ozempic face is, who gets it, and how to avoid it.

Feb 23, 20269 min read
GLP-1 & Ozempic

Ozempic Muscle Loss: How Much Lean Mass Do You Actually Lose on GLP-1s?

In the STEP-1 trial, 39% of weight lost on Ozempic was lean mass — not fat. Here's what the DXA data shows and how to preserve muscle.

Feb 22, 20269 min read
Body Composition

Body Fat Percentage Chart: Ranges for Men & Women

Body fat percentage chart with ranges for men and women. See what each level looks like, what's healthy, and how to measure yours.

Feb 21, 20266 min read
Body Composition

How to Estimate Body Fat Percentage from Photos

Learn how to visually estimate your body fat percentage from photos — what to look for at each range, how mirror selfies compare to DEXA, and how AI tools like Buff Meter make it easier.

Feb 7, 20264 min read
Body Composition

What is Body Composition? Definition & How to Measure

Body composition is the breakdown of your body into fat mass and lean mass. Learn what body composition means, how to measure body fat percentage, and why it matters more than weight.

Feb 5, 20262 min read