Iodine, Thyroid And Hair
Iodine is needed for thyroid hormone, and thyroid function sits behind hair and skin health — but supplemental iodine needs care in any
18 February 2026Read →
Independent Gelagen reviews, dose-by-dose ingredient evidence, weight-loss science and label-literacy guides — 285 medically reviewed articles.
Iodine is needed for thyroid hormone, and thyroid function sits behind hair and skin health — but supplemental iodine needs care in any
Honestly printed, and the clearest gap between the claim and the dose.
Zinc supports normal skin and repair; the RDA is 8–11 mg, and citrate or gluconate forms are better absorbed than oxide.
No collagen, no hyaluronic acid, and a vitamin C dose too small to stand in for either.
A real biotin dose, and a lab-test caution that belongs above the fold.
Folic acid is absorbed more efficiently than food folate, so careful labels state it as dietary folate equivalents — 260 mcg folic acid
Buy the panel, not the box, and you will not be disappointed.
Methylcobalamin is an active form of B12; cyanocobalamin is a stable synthetic form the body converts — both work, but the form is a qu
Vitamin E protects cell membranes from oxidation; the RDA is 15 mg, and the natural d-alpha form is better retained than synthetic dl-a
Three supported, two partial, three not — and the failures are all in the marketing, not the panel.
Vitamin C is a required cofactor for collagen synthesis and a water-phase antioxidant; the RDA is 75–90 mg and most people meet it thro
A well-labelled hair-and-nail vitamin. Not a skin-glow product, whatever the box says.
Honest numbers under an oversold picture.