Silymarin is a standardized extract obtained from seeds of Silybum marianum (SM)
belonging to the family Asteraceae. It is a flavonolignan complex and consists
of various compounds like silybin A silybin B, isosilybin A, isosilybin B,
silydianin, silychristin and isosilychristin. Silybin is the major active
component present in 60–70% of the silymarin extract. It has
been used traditionally for the treatment of various liver disorders like
cirrhosis, jaundice, and hepatitis. Silymarin possesses antioxidant and
anti-inflammatory properties and is responsible for its antitumor activity.
Other than hepatoprotective effect SM also possesses renoprotective,
anti-diabetic, neuroprotective, hypolipidemic, anti-atherosclerosis and
cardioprotective effects. Rather antimicrobial property of silymarin was
observed against specific microbes, fungi, and viruses. This manuscript covered
recent preclinical and clinical evidence of specific components silybin,
responsible for its efficacy and about clinical studies has been conducted so
far, which proven it’s safety and offers mild effect like nausea,
diarrhea and bloating. This review specifically focused on recent updates on its
active components therapeutic applications against complicated ailments not
covered in earlier reports.