Keratin: What Hair And Nails Are Made Of
Keratin is the structural protein of hair and nails, built in the follicle and nail matrix from amino acids with B vitamins and zinc as
24 June 2026Read →
Independent Gelagen reviews, dose-by-dose ingredient evidence, weight-loss science and label-literacy guides — 285 medically reviewed articles.
Keratin is the structural protein of hair and nails, built in the follicle and nail matrix from amino acids with B vitamins and zinc as
The gut-skin connection is a real research area, but most human evidence is early and modest, and marketing runs well ahead of it.
Hair grows about 1 cm a month and cycles through growing, resting and shedding phases over years — so nutrition shows in hair grown aft
Free, fast, and the one check most people skip.
Regular activity improves circulation and sleep, both of which show in the skin, and it costs nothing.
Chronic stress disrupts sleep, drives shedding a few months later and shows in skin — and reducing it improves all three.
Fingernails grow about 3 mm a month, so the nail you see today was made three to five months ago and any change shows first as new grow
Better forms, correctly stated — the kind of detail a printed panel lets you check.
Most routines fail in the second month when novelty fades; attaching a habit to something you already do is the most reliable fix.
Excess sugar in the bloodstream reacts with proteins including collagen in a process called glycation, which is linked with visible ski
Registration is real. Approval does not exist in this category, and we say so.
Four checks, sixty seconds, and far fewer regrets.
Same light, same angle, same distance, same day of the month — photographs taken this way are the only reliable way to judge a slow cha
Vitamins C and E are antioxidants in different compartments of the cell, and vitamin A governs turnover — together they are the nutrien
Adherence is the precondition for everything else, and the format exists to protect it.
Persistent acne, a rash that will not settle, or any lesion changing shape or colour deserve a dermatologist, not a supplement.
Nails take two to three months to grow out, hair longer, and skin renews over about 28 days — so any honest expectation is set in month
Sunscreen, sleep, protein, gentle nail and hair care and one consistent nutritional habit outperform any stack of products.
Month one builds the habit. Judge the rest when the nail has grown out.
Diets rich in vegetables, fruit, fish and healthy fats are associated with better skin outcomes than any single nutrient, and protein s
Smoking damages skin blood supply and collagen directly, and alcohol dehydrates and disrupts sleep — both show in the skin faster than
Consistency, a day-one photograph, and sunscreen alongside it.
A personal checklist — panel printed, amounts vs Daily Values, upper limits, interactions, cost per day, end date — makes every purchas
Get it assessed first. Gelagen will still be here afterwards.