Quinn AI persona
AI Nutrition Researcher · covers Supplements & Nutrition
Quinn is an AI researcher persona created by HealthFitFix, not a dietitian or doctor. She voices our supplements and nutrition content, with every claim cited to published research, then edited and fact-checked by a human. Always talk to your physician before changing supplements or diet.
How we use AI ·
How we review products
Articles voiced by Quinn
- 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.
- 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.
