https://gela-gen.us/learn/ Articles on skin, everyday habits and how to read a supplement label. en-us Copyright 2026 gela-gen.us team@gela-gen.us (Gelagen) 2026-09-13 1440 https://gela-gen.us/img/icon-512.png https://gela-gen.us/ https://gela-gen.us/learn/label-units-explained.html https://gela-gen.us/learn/label-units-explained.html Five units appear on supplement panels and three of them describe the same nutrient in different ways. What each one means and how to convert between them. 2026-09-01 https://gela-gen.us/learn/why-5000-mcg-of-biotin.html https://gela-gen.us/learn/why-5000-mcg-of-biotin.html A hundred and sixty times the daily requirement, in a nutrient with no upper limit. Where that number came from, whether it does anything, and the one real consequence. 2026-08-28 https://gela-gen.us/learn/vitamin-c-and-collagen.html https://gela-gen.us/learn/vitamin-c-and-collagen.html Not a metaphor and not marketing. Two enzymes physically cannot function without it, and scurvy is what happens when they stop. 2026-08-24 https://gela-gen.us/learn/vitamin-d-and-your-skin.html https://gela-gen.us/learn/vitamin-d-and-your-skin.html Above a certain latitude your skin cannot make vitamin D at all for several months a year, whatever the weather looks like. What that means for skin specifically. 2026-08-20 https://gela-gen.us/learn/zinc-for-skin-and-nails.html https://gela-gen.us/learn/zinc-for-skin-and-nails.html Several hundred enzymes need it, one inherited deficiency disease made the case beyond argument, and the reason good formulas keep the dose small is copper. 2026-08-16 https://gela-gen.us/learn/vitamin-e-what-it-really-does.html https://gela-gen.us/learn/vitamin-e-what-it-really-does.html An antioxidant that works by being destroyed. Why the mechanism is simple, why the high-dose trials disappointed, and where the bleeding caution comes from. 2026-08-12 https://gela-gen.us/learn/thirteen-nutrients-or-three.html https://gela-gen.us/learn/thirteen-nutrients-or-three.html Broad formulas and targeted single-nutrient products solve different problems. How to tell which one your situation calls for. 2026-08-08 https://gela-gen.us/learn/who-needs-a-skin-supplement.html https://gela-gen.us/learn/who-needs-a-skin-supplement.html A self-assessment that will tell a lot of readers to keep their money, written by a site that earns a commission when they do not. 2026-08-04 https://gela-gen.us/learn/hair-shedding-or-hair-loss.html https://gela-gen.us/learn/hair-shedding-or-hair-loss.html One resolves on its own in months, the other does not. Telling them apart decides whether a supplement is even the right category of answer. 2026-07-31 https://gela-gen.us/learn/what-your-nails-tell-you.html https://gela-gen.us/learn/what-your-nails-tell-you.html Nails grow slowly enough to record several months of your health. Which changes mean something, which mean nothing, and which need a doctor. 2026-07-27 https://gela-gen.us/learn/gummy-versus-tablet.html https://gela-gen.us/learn/gummy-versus-tablet.html Sugar, stability, dose ceilings and whether you actually take it. Four differences that matter and two that do not. 2026-07-23 https://gela-gen.us/learn/running-a-fair-trial.html https://gela-gen.us/learn/running-a-fair-trial.html Photographs, one variable at a time, and the mismatch between a twelve week verdict and a sixty day refund window. 2026-07-19 https://gela-gen.us/learn/storing-supplements-well.html https://gela-gen.us/learn/storing-supplements-well.html Why gummies fuse, why the fridge is the wrong answer, and what an expiry date on a supplement actually promises. 2026-07-15