Milk Thistle Phytosome (formerly Siliphos)
Scored by the Formulate Research Team · Last reviewed May 2026
Overview: Thorne Milk Thistle Phytosome (formerly Siliphos)
A well-absorbed, well-researched form of milk thistle that provides liver support* Milk Thistle Phytosome combines a flavonoid from milk thistle (silybin) with phospholipids to form a well-absorbed complex. It offers liver-protective benefits and helps maintain normal levels of glutathione.*
Score Breakdown
Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Silybin PhytosomePhospholipid complex from Sunflower | 540 mg |
Certifications & Testing
Other Ingredients
Hypromellose (derived from cellulose) capsule, Leucine, Microcrystalline Cellulose, Silicon Dioxide
Recommended Use
Take 1 capsule two to three times daily or as recommended by your health-care practitioner.
Warnings
ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS There are no known adverse interactions or contraindications at publication date.
Frequently Asked Questions
What is Thorne Milk Thistle Phytosome (formerly Siliphos)'s Formulate score?
Thorne Milk Thistle Phytosome (formerly Siliphos) scores 89 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
Is Thorne Milk Thistle Phytosome (formerly Siliphos) worth it?
Thorne Milk Thistle Phytosome (formerly Siliphos) scores 89/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Thorne Milk Thistle Phytosome (formerly Siliphos)?
Each serving contains Silybin Phytosome (540 mg). Serving size: 1 Capsule. 90 servings per container.
How do I take milk thistle phytosome (formerly siliphos)?
Take 1 capsule two to three times daily or as recommended by your health-care practitioner.
Who makes Milk Thistle Phytosome (formerly Siliphos)?
Milk Thistle Phytosome (formerly Siliphos) is made by Thorne. See Formulate's full grade and product lineup for Thorne on its brand page.
Is Thorne Milk Thistle Phytosome (formerly Siliphos) third-party tested?
Thorne lists the following certifications and testing for this product: NSF Certified, Gluten Free, Dairy Free, Soy Free, Thorne Verified, Natural Flavors, Natural Colors, GMP Certified.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.