Women's health after 40, and what the research actually supports
The actual evidence level for collagen, hyaluronic acid and biotin, and how cosmetic and functional food labeling rules differ.
Biotin is in almost every hair supplement sold. The reasoning behind that is sound as far as it goes — and it stops considerably earlier than the marketing does. There’s also a safety issue here that has nothing to do with toxicity, and it’s the most important thing in this post. The reasoning, and … Read more
Post-menopausal skin change is usually filed under ageing. The data suggests a different clock is running. Skin collagen loss correlates with menopausal age rather than chronological age — meaning the relevant number isn’t how old you are, but how long it’s been since menopause. The number, and what it measures The foundational work here … Read more
Hyaluronic acid holds water — up to a thousand times its own weight — which is why it works so well applied to skin or injected into a joint. Swallowing it raises a different question. The molecule is enormous, and the body has efficient machinery for taking large molecules apart. So what actually arrives? An … Read more