Understanding supplements.
How do I evaluate what you're actually buying — in the aisle where the products can hurt the organ they claim to help?
The liver-support aisle is the supplement industry's central paradox: every product on it is processed by the organ it claims to protect, and concentrated botanical extracts are a leading documented cause of drug-induced liver injury. The honest shelf is narrow — a standardized botanical with mixed evidence, fish oil with dose-counting, and the rescue molecule at retail dose — while around it sits the 'detox' category, selling the liver's own job back to it. This chapter teaches the difference.
Capsules
Standardized botanicals, counted
Softgels
Omega-3 — with fat, EPA counted
The Coffee Note
Brewed, not encapsulated — the aisle's best product is a beverage
'Detox' Blends
The category this chapter retires
Standardized Silymarin (80%)
The trial material: extracts standardized to 80% silymarin content, at the classic 420 mg/day pattern. Plain 'milk thistle seed powder' products deliver a fraction of the active flavonolignans — the standardization is the product.
Silybin Phytosome (Silipide)
Silybin (silymarin's most active component) bound to phospholipids — absorbing several-fold better than plain silymarin, which is notoriously poorly absorbed. The pharmacokinetic upgrade for those who take it at all.
Choosing the Right Form
Label literacy in the liver aisle has four specific jobs:
- Silymarin standardization: 80% standardized extract, with the phytosome form the absorption upgrade — 'milk thistle seed powder' is content, not dose.
- EPA+DHA counting: the actives per serving, with fat, IFOS-verified — unchanged from every omega-3 page in this library.
- The DILI check: scan every label for concentrated green tea extract, kava, and multi-botanical stacks — the ingredients that hurt this organ.
- The standing rule: if the bottle says 'detox' or 'cleanse,' put it back — the liver is the detox, coffee is the best-evidenced liver-support beverage in existence, and the strongest evidence on this page costs pennies a cup.
Red Flags to Watch For
The liver aisle sells the organ's own function back to its owner. Be highly cautious of products that:
- Promise to 'detox,' 'cleanse,' or 'flush' the liver — the liver IS the detox system; there is no pathway in a bottle, and these products are disproportionately represented in DILI reports.
- Stack multiple concentrated botanical extracts in 'liver complexes' — the combined hepatic load of a green tea extract + turmeric extract + 'proprietary blend' has never been tested; the liver processes all of them at once.
- Market high-dose green tea extract as 'metabolism support' — concentrated EGCG in fasted states carries the documented hepatotoxicity record that brewed tea does not.
- Contain kava in any form — liver-toxic by documentation, withdrawn in multiple countries; no sourcing story fixes the molecule.