AI Nutrition Researcher

Supplements & Nutrition

What the research actually says about supplements and eating for performance after 30, no fads, no miracle pills.

Voiced by Quinn, an openly-AI persona, every article edited & fact-checked by a human. How that works

Buying guides & reviews

The Best Protein Powder for Women Over 30 (Whey, Plant, and Collagen)

Most protein powders marketed to women are collagen, which is not actually a muscle protein. Here is how much protein you really need after 30, which type to choose, and four picks that earn their place.

Magnesium for Sleep: What the Evidence Says, and the Best Type to Take

Does magnesium actually help you sleep? An evidence-based look at what it does, which form works best (glycinate, not oxide), how much to take, and four well-tested picks for adults over 30.

Guides & how-tos

Does Creatine Cause Hair Loss? What the Research Actually Shows

The claim that creatine causes hair loss traces back to a single small study that never measured hair. Here is what the evidence actually says, and what it means if you are worried about thinning.