journal

Why the 4pm crash is a glucose curve rather than a willpower failure, which supplements have real evidence, and the two words on a label that hide the dose.

Skin repairs on a different schedule at night. What that means for what you put on it after 40, and the ingredients worth paying for.

Five nutrients with real evidence behind hair growth in women, which one to test before you buy anything, and why the answer is almost never biotin alone.

Most people quit a probiotic at day ten. The research assesses at twelve weeks. Here is what changes at each stage, and how to tell it is working before the...

Glycinate, citrate, oxide — the form on the label decides whether magnesium calms you, loosens your stomach, or does nothing at all. A direct comparison.

Clinical trials on skin used 2,500–10,000mg of collagen peptides daily. Most UK supplements sit far below that. Here is the dose that matches the research, and how to read a...