Thorne Milk Thistle Phytosome Liver Detox – 90 caps (formerly siliphos)
$82.80
Herbal supplement: Silybin phytosome – silybin from milk thistle complexed with phosphatidylcholine.
Thorne formulation using phytosome technology to deliver silybin bound to phospholipid carriers.
Phytosome binding helps fat-soluble silybin pass through the gut wall more readily than standard milk thistle extracts.
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What is Thorne Milk Thistle Phytosome and who is it for?
Thorne Milk Thistle Phytosome delivers silybin – the primary active compound from milk thistle (Silybum marianum) – in a phytosome complex that binds silybin to phosphatidylcholine. This formulation is designed for people who want the benefits of milk thistle’s most researched flavonolignan in a form their body can actually absorb and use. Standard milk thistle extracts contain silymarin, but silybin is the most bioactive fraction, and on its own it’s poorly absorbed – the phytosome form addresses that directly.
This makes sense for people who are prioritising liver wellness as part of a broader health strategy, particularly those who have tried standard milk thistle products and want a more bioavailable option. It’s also relevant for people working with a practitioner on liver wellness protocols, or those in life stages or circumstances where hepatic tissue health is a focus.
Fairfield Nutrition Thoughts
This product addresses the core absorption issue of milk thistle by using a phytosome technology which binds binds silybin directly to phosphatidylcholine, creating a complex that behaves more like a fat-soluble nutrient and crosses the gut wall substantially more readily.For anyone who has used conventional milk thistle without noticeable effect, or who is working on a liver wellness protocol where absorption reliability matters, this is a well-reasoned upgrade.
Why This Formulation / How It Works
Most milk thistle supplements standardise for silymarin content – typically 70-80% – which sounds straightforward, but silymarin is actually a mixture of several flavonolignans. Silybin makes up roughly 50-70% of that mixture and is the most extensively studied component. The challenge is that silybin on its own has poor oral bioavailability: it’s fat-soluble, doesn’t dissolve readily in digestive fluids, and struggles to cross the intestinal wall efficiently. Studies comparing silybin phytosome to standard silymarin extracts have shown the phytosome form achieves substantially higher blood levels – some research suggests four to ten times greater bioavailability depending on the study design.
The phytosome complex works by binding silybin molecules to phosphatidylcholine – the same phospholipid that forms cell membranes. This creates a hybrid molecule that is simultaneously compatible with the water-based environment of the gut and the fat-soluble environment of the intestinal wall. Thorne uses phosphatidylcholine sourced from sunflower lecithin rather than soy, which keeps the formulation suitable for people avoiding soy-derived ingredients. The capsule itself is hypromellose (vegetarian), and the formula is free from common allergens.
Silybin’s Role in Hepatic Tissue
Silybin is found in high concentrations in liver tissue following oral administration and has been the subject of substantial research into its role in hepatocyte biology. It provides antioxidant activity within liver cells, where oxidative processes are particularly active given the liver’s role in metabolising compounds from the bloodstream. Silybin has also been studied for its involvement in protein synthesis pathways within hepatocytes – specifically its interaction with RNA polymerase I activity, which may support the regenerative capacity of liver tissue.
Phosphatidylcholine as an Active Component
The phosphatidylcholine in the phytosome complex isn’t purely a delivery vehicle – it’s also a nutrient in its own right. Phosphatidylcholine is a structural component of cell membranes throughout the body, with particularly high concentrations in liver tissue. It serves as a precursor to choline, which is involved in fat transport from the liver and in the structural integrity of hepatocyte membranes. This means the phytosome formulation delivers two compounds with relevance to liver tissue wellness in a single complex.
When to Consider This
This formulation provides nutritional support for hepatic tissue wellness. It makes sense if you’re:
- Working with a practitioner on a liver wellness protocol and want a high-absorption botanical option
- In a life stage or circumstance where liver tissue health is a focus – for example, following a period of significant dietary stress, medication use, or alcohol consumption
- Someone who has used standard milk thistle products previously and wants a more bioavailable form
- Managing a soy sensitivity and looking for a phytosome milk thistle that uses sunflower-derived phosphatidylcholine
Supplement strategy: Many people introduce this as part of a broader liver wellness approach that includes dietary support and, where relevant, bile flow support. It’s commonly used for defined periods of several months rather than indefinitely, though ongoing use is appropriate under practitioner guidance. It’s often introduced once foundational gut health and dietary changes are in place.
⚠️ Not suitable for: Pregnancy, breastfeeding, children under 18. Use with caution if you have a known allergy to plants in the Asteraceae/Compositae family (ragweed, chrysanthemums, marigolds, daisies). Consult your healthcare professional before use if you are taking any medications, particularly those metabolised by the liver.
How to Use
The standard dose is 1 capsule taken one to three times daily, or as directed by your healthcare professional. Each capsule contains 300 mg of silybin phytosome. Taking with food is generally recommended to support absorption of fat-soluble compounds, though the phytosome form is more forgiving in this regard than standard silymarin extracts.
For people new to milk thistle, starting with one capsule daily and increasing to two or three over the first week is a reasonable approach. Duration of use is best guided by a practitioner depending on your specific context.
Ingredients
Per capsule:
Silybin Phytosome 300 mg
(Silybin from Silybum marianum complexed with phosphatidylcholine from sunflower lecithin)
Other ingredients: Microcrystalline cellulose, hypromellose (vegetarian capsule), silicon dioxide, magnesium citrate lauryl sulfate
Allergen information: Free from gluten, soy-derived ingredients, dairy, eggs, tree nuts, and peanuts. Phosphatidylcholine is sourced from sunflower lecithin.
Common Questions
How is this different from regular milk thistle supplements?
Standard milk thistle is standardised to silymarin, a mixture of flavonolignans that includes silybin. This product isolates silybin – the most bioactive fraction – and binds it to phosphatidylcholine in a phytosome complex. Pharmacokinetic studies show the phytosome form achieves substantially higher blood levels than standard silymarin extracts, making it a more reliable option when absorption matters.
Does this contain soy?
No. The phosphatidylcholine in this formula is sourced from sunflower lecithin, not soy. This makes it suitable for people managing soy sensitivities or those who prefer to avoid soy-derived ingredients.
Can I take this with my medications?
Silybin can interact with some medications metabolised by the liver’s cytochrome P450 enzyme system. If you’re taking prescription medications – particularly immunosuppressants, anticoagulants, or drugs with a narrow therapeutic window – consult your healthcare professional before starting this product.
How long should I take this for?
This depends on your context and goals. Many people use it for defined periods of two to three months as part of a liver wellness protocol, while others use it ongoing under practitioner guidance. There’s no standard duration – working with a practitioner to determine what’s appropriate for your situation is the most sensible approach.
Warnings & Storage
Do not use if: Pregnant or breastfeeding. Under 18 years of age. Known allergy to plants in the Asteraceae/Compositae family.
Cautions: Consult your healthcare professional before use if you are taking any prescription medications, particularly those metabolised by the liver. If you have a diagnosed liver condition, use only under medical supervision. Discontinue use at least two weeks prior to any scheduled surgery.
Storage: Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
Always consult your healthcare professional before use if you have any pre-existing conditions or are taking medications.
| Weight | 0.07 kg |
|---|---|
| Shipping and Returns | Standard delivery times of 1-7 business days are to be expected. Free express delivery for orders over $175. No questions asked returns and refund within 30 days. |
Brand
Thorne
Thorne Supplements Australia
| Product Range | Primary Application |
|---|---|
| Multivitamins (Basic Nutrients, Advanced Nutrients) | Comprehensive daily nutritional support |
| Minerals (zinc picolinate, magnesium citramate, trace minerals) | Essential mineral replenishment in bioavailable forms |
| Active B vitamins | Energy metabolism and nervous system nutritional support |
| Digestive enzymes and HCl support | Digestive function and nutrient breakdown |
| Gut support formulas (GI Relief, EnteroMend, Undecylenic Acid) | Gut lining comfort and microbial balance support |
| Phytosome botanicals (curcumin, quercetin, milk thistle) | High-bioavailability botanical support |
| Targeted nutrients (berberine, NAC, iron, rhodiola) | Specific metabolic and nutritional support needs |
Why Thorne's approach is different
With botanical supplements, the core challenge is that plant-based active compounds are often broken down in the digestive tract before reaching circulation in useful amounts. Thorne addresses this in their curcumin, quercetin, and milk thistle products by using phytosome delivery: the plant compound is bound to a phospholipid (the same type of fat that forms cell membranes), which allows absorption via a fat-soluble pathway rather than relying on gut breakdown. The practical outcome is that a standard dose of phytosome curcumin delivers meaningfully more to the body than an equivalent dose of a conventional curcumin extract. The same reasoning - choosing the form of a nutrient that your body can actually use, rather than the cheapest available form - carries through to the mineral and vitamin range. Iron bisglycinate is paired with two glycine molecules, making it gentler on the digestive tract and better absorbed than the ferrous sulfate used in most pharmacy iron products. Zinc picolinate is bound to picolinic acid, a molecule the gut naturally produces to transport zinc across the intestinal wall. These are not cosmetic distinctions; they reflect how nutrient uptake works in practice.The Thorne range at Fairfield Nutrition
Foundational support [product_icons icon="Foundational"]
These are the products most commonly used as a starting point - covering the nutritional gaps most common in Australian adults and providing a consistent daily baseline. They work as standalone supplements or as the foundation before more targeted products are added. Basic Nutrients 2/day - a two-capsule daily multivitamin using active B vitamin forms, vitamin K2, and chelated minerals; suitable for most adults as an all-round daily foundation. Vitamin D3 + K2 Drops - delivers 1,000 IU of D3 alongside 200mcg of vitamin K2 per drop in a liquid format; commonly used for ongoing vitamin D support where precise dose adjustment is helpful. Magnesium CitraMate - combines magnesium citrate and malate, two forms with good tolerability and absorption; used for general magnesium replenishment and to support muscle and sleep function. Basic B-Complex - provides all eight B vitamins in their active coenzymated forms, including methylfolate and methylcobalamin; relevant for anyone who does not efficiently convert standard folic acid or cyanocobalamin forms.Digestive and enzymatic support
Thorne's digestive range targets two distinct points in the digestive process: enzyme availability and stomach acid sufficiency. The right product depends on where the difficulty is occurring, not on severity alone. Advanced Digestive Enzymes - a broad-spectrum enzyme formula including HCl and ox bile, supporting the breakdown of protein, fat, and carbohydrates; used when digestive discomfort follows meals broadly. Betaine HCl and Pepsin - provides supplemental stomach acid (betaine hydrochloride) alongside the protein-digesting enzyme pepsin; used specifically when low stomach acid is contributing to incomplete protein breakdown and upper digestive heaviness after meals.Targeted support [product_icons icon="Targeted"]
These products are used for specific ongoing needs rather than general daily maintenance, and are typically added to an existing foundational protocol where a particular area requires additional support. Curcumin Phytosome - Meriva-form curcumin in a sustained-release capsule; the most studied phytosome botanical formulation, used for ongoing inflammatory response support where standard curcumin extracts have not been sufficient. Berberine - a botanical alkaloid with a substantial clinical research base in metabolic and blood glucose regulation support; also available in a 200mg-per-capsule format for flexible dosing. The main decision within the Thorne range is whether you are building a nutritional foundation or addressing a specific need. For most people, a multivitamin, vitamin D, and magnesium cover the common bases before any targeted products are added. Between Curcumin Phytosome and Berberine, the choice is application-specific - they address different needs and are not interchangeable. If you are uncertain where to start, the foundational products above are the right reference point before moving into the targeted range.Why shop Thorne at Fairfield Nutrition
We don't stock everything - we stock what we'd use. Thorne products are stocked at Fairfield because their formulation consistency is genuine across the range: bioavailable nutrient forms are used as the default in basic minerals and multivitamins, not reserved for premium products, and NSF Certified for Sport status means every batch is independently tested for label accuracy and contamination. Thorne is one of a small number of brands where the formulation rigour applied to flagship botanical products also runs through everyday single-nutrient products like zinc and magnesium. This means a Thorne-based protocol can be built across multiple products without having to verify each formula individually - the standard holds consistently. Everything ships from Melbourne. No international delays, no customs surprises. If something is out of stock, we tell you.All Thorne products stocked at Fairfield Nutrition are shown below.
