The short answer · Gamma-glutamyl transferase (GGT)
Take silybin phytosome for gamma-glutamyl transferase (ggt). This is the one to buy.

ProHealth Longevity, Glutathione Triple Boost, 90 Capsules
5.0· 8 ratings· $1.65/serving
Silybin Phytosome 160 mg — inside the studied 160-480 mg window
Of 24 products scored for Gamma-glutamyl transferase (GGT), ProHealth Longevity, Glutathione Triple Boost, 90 Capsules ranks #1 with a DoseRank score of 75. Silybin Phytosome has moderate human evidence for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Silybin Phytosome?”Evidence Moderate evidence
Silybin Phytosome has moderate human evidence for this outcome.
- Silybin PhytosomeThe pick
Moderate evidence · 160 mg
Silybin, milk thistle's main active fraction, bound to phosphatidylcholine; the phytosome greatly boosts absorption over plain silymarin for liver-cell support.
The dose“Is the dose actually effective?”Dose fit 67
Silybin Phytosome at 160 mg lands inside the studied 160-480 mg window.
Silybin Phytosome
Studied window 160-480 mg · this pick 160 mg
The ranking“Why should I trust this pick?”Trust 30
Limited trust signals so far for this listing. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 24 products scored
- Never paid placement
- Evidence level: Moderate · 77
- 15 brands
- 1 ingredients
The price“Can I do better than $1.65 a serving?”Value 31
$1.65 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.31 per serving.
- 2Nature's Way, Super Milk Thistle®, 120 Vegan CapsulesScore 67 · $0.31/servingiHerb
- 10Life Extension, Milk Thistle, 60 Vegetarian Capsules (750 mg per Capsule)Score 0 · $0.39/servingiHerb
Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.
Ready?
The #1 pick is $1.65 a serving.ProHealth Longevity, Glutathione Triple Boost, 90 Capsules — in stock at a tracked retailer.
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ProHealth Longevity, Glutathione Triple Boost, 90 Capsules ranks #1 for Gamma-glutamyl transferase (GGT) with a DoseRank score of 75. The score blends clinical strength, evidence, dose fit, trust signals and value across 24 products scored for this outcome.
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