Learn
Short reads that explain what Sigma is looking at, without the textbook language.
- Basics
What your liver actually does
A plain-language tour of the organ, without the textbook diagrams.
4 min read - Drinking
Why the pattern matters more than the total
Why several drinks in one evening is treated differently from one a night.
5 min read - Supplements
Reading a supplement label
Proprietary blends, unnamed extracts and what to photograph.
6 min read - Labs
What ALT and AST mean
Two common blood test numbers, explained without the jargon.
5 min read - Metabolic
Weight, blood sugar and the liver
How everyday metabolic health connects to the liver, judgement-free.
5 min read - Safety
When to call a clinician
Signs that are worth a same-day phone call rather than a wait.
3 min read
Sigma provides general health information. It does not diagnose a condition or replace a clinician. If you feel unwell right now, use the urgent help page.