The research behind every ingredient decision, explained plainly.
Library
Glycine in Collagen: How Much, Why It Matters, What to Expect
Glycine makes up about a third of collagen's amino acids. See how much you get per serving, what it does...
Peptides for Under Eyes: What They Can and Can't Do
Which peptides actually help under-eye lines and texture, what to expect in 4 to 12 weeks, and why dark circles...
Collagen on an Empty Stomach: Does Timing Matter?
Should you take collagen on an empty stomach? What the evidence says about absorption, fasting, tolerance and the timing that...
Collagen Powder Purity: How to Read Labels and Test Claims
'Pure' has no legal definition for collagen powder in the US. Learn how to check heavy metals, sourcing, certificates of...
Copper Peptides and Tretinoin: Why They Belong in Separate Dayparts
Copper peptides support repair while tretinoin drives skin renewal, but their pH needs favor separate dayparts. Learn safe timing and...
Peptide Percentages in Skincare: 100 ppm Can Be Enough
Learn why peptide percentages on skincare labels can mislead, how a 100 ppm trial informs expectations, and what evidence to...