Glycation, Sugar and Skin
Glycation is a reaction between sugars and proteins that produces advanced glycation end products, which stiffen collagen and elastin o
13 May 2026Read →
Independent Gelagen reviews, dose-by-dose ingredient evidence, weight-loss science and label-literacy guides — 285 medically reviewed articles.
Glycation is a reaction between sugars and proteins that produces advanced glycation end products, which stiffen collagen and elastin o
Month one builds the habit and the baseline. The tissue has not had time to answer.
The premise is that skin, hair and nails are built from what you eat, so nutrition should influence how they look. As a premise it is t
Vitamin A regulates how keratinocytes mature, and the retinoid class used in dermatology is derived from it. It is the nutrient with th
The 'other ingredients' line lists the base, gelling agents, sweeteners, acids and colourings. In a gummy it is where the sugar, the pe
A meaningful upgrade on plain biotin, priced like a considerably larger one.
Sebum production falls, barrier lipids decline, natural moisturising factor decreases and turnover slows. The result is skin that loses
All amounts on a panel are per serving, and a serving may be one gummy or four. That changes both the dose and the true cost per day.
An honest multivitamin competing, by accident of its own advert, in the collagen aisle.
Phrases like 'supports healthy skin' or 'promotes radiance' are structure-function claims, permitted without pre-approval provided the
Hyaluronic acid holds water in the dermis and is used topically as a humectant. Oral forms are also sold, with a smaller evidence base,
Small enough to ignore for most people, and worth knowing for the three groups it affects.
The phrase usually means an ingredient has been studied somewhere, by someone, at some dose — not that the finished product has been tr
A real barrier nutrient at a proper dose, mislabelled as something the product does not contain.
Swallowed collagen is digested into amino acids and small peptides like any other protein. It does not travel to the skin intact, and t
Daily broad-spectrum sun protection is the most strongly evidenced intervention available for skin ageing. The majority of visible phot
Gummies carry sugar and hold less active material per unit; capsules carry more and taste of nothing. The decisive factor is usually wh
No collagen on the panel, a small vitamin C cofactor contribution, and an advert that conflates the two.
The epidermis renews roughly every 28 days in a healthy adult, with cells forming at the base and shedding at the surface. Nothing nutr
The form in brackets after a nutrient name — zinc citrate, methylcobalamin, d-alpha tocopheryl acetate — decides how much of the printe
Four quiet decisions that cost the manufacturer money and that no competing page noticed.
Ingredients are listed in descending order by weight, both in a proprietary blend and in the 'other ingredients' line. That ordering is
Two nutrients present in name only, on a panel that is otherwise unusually straight.
Marketing artwork is written to sell; the Supplement Facts panel is a regulated disclosure. When they conflict, the panel describes wha