Baicalein is a flavonoid from Chinese Skullcap (Scutellaria baicalensis — NOT American skullcap, which is a different plant). Our research shows baicalein is one of the most potent natural 12-LOX and 15-LOX inhibitors known — blocking inflammatory pathways that COX inhibitors (aspirin, ibuprofen) miss entirely. It also has strong anxiolytic effects through GABA-A receptor modulation at the benzodiazepine site, inhibits neuroinflammation via TLR4/NF-κB, and has emerging evidence for neuroprotection in Parkinson's (prevents α-synuclein aggregation). The Japanese approved Kampo formulations containing baicalin for inflammatory conditions.
Baicalein/baicalin work through: (1) 12/15-LOX inhibition — blocks lipoxygenase enzymes that produce leukotrienes (LTB4, LTC4) and lipoxins. These are inflammatory mediators that NSAIDs don't touch, explaining why baicalein works on inflammation resistant to COX inhibitors; (2) GABA-A positive allosteric modulation — binds the benzodiazepine site on GABA-A receptors, enhancing GABA signaling for anxiolytic effect without sedation or dependence; (3) α-synuclein aggregation inhibition — binds to and stabilizes α-synuclein monomers, preventing the toxic oligomerization that drives Parkinson's; (4) NF-κB inhibition via IKK and TLR4 pathway suppression. Baicalein (aglycone) is better absorbed than baicalin (glycoside), but gut bacteria convert baicalin→baicalein anyway.
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.