Swanson Siliphos Milk Thistle Phytosome 300 mg, 60 capsules. Eight times more bioavailable than conventional milk thistle extracts. Siliphos is standardized to 29% silibin. Non-GMO. Per GMP guidelines, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.

• Our most effective milk thistle extract for the ultimate liver support
• Eight times more bioavailable than conventional milk thistle extracts
• Siliphos is standardized to 29% silibin
• Non-GMO
• Per GMP guidelines, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.