collagen
Why We Don’t Take the Things We Say We Need
Why will someone spend money on a supplement, take half the recommended dose—or stop taking it once it works? Medication research, pill fatigue and the...
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From the Coach
Blog
Practical information on training, recovery, supplementation, and the biology of performance — written by a coach, not a copywriter.
body composition
Can Your Face Tell You Something About Visceral Fat? What I Learned From Decades of Measuring Body Fat
After decades of measuring cheek, chin and body-fat skinfolds, I began wondering whether changes in facial fat could tell us something about changes in visceral...
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collagen
GLP-1 Face: Why Weight Loss Can Make Your Face Look Older—and Can Collagen Help?
Major GLP-1 weight loss can change facial volume—but can collagen actually help? Here's what collagen can and cannot do, and what the research says about...
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collagen
Does Collagen Help Hair, Skin & Nails? What the Research Says
Collagen is usually associated with either joints or beauty—but the biology overlaps. Here's what research on specialized collagen peptides, hyaluronic acid and vitamin C tells...
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clinical research
How Do You Know If a Supplement Is Actually Good?
Is a USP or NSF certification enough to tell you whether a supplement is good? What about a COA or “third-party tested” claim? Here’s how...
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Bioactive Collagen Peptides
What Type of Collagen Is Best? Type I, II, III, Marine, Bovine—and What Actually Matters
With 28 known collagen types—and supplements advertising everything from Type I and III to five-type blends—does more really mean better? Learn why hydrolysis, peptide profiles,...
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