When appetite quietens, nutrition needs more attention, not more bottles. Which supplements have a real job here, and which do not.

Fifty billion organisms is not automatically better than ten. The strain, the formulation and the purpose are what the small print holds.

Swallowed collagen is absorbed. Whether it reaches your skin is a separate question. What to expect, and how to compare a real serving.

One promises a calmer evening, the other a sharper morning. Here is where the evidence is strongest, and where it runs out.

Protein powders, fiber and botanical extracts do three different jobs under one label. Here is how to work out which you actually need.

Most peptide supplements start with ordinary food protein. Here is what the label is really telling you before you buy.