Premodifier: alpha lipoic
Head noun: acid

Same concepts
http://dbpedia.org/resource/Lipoic_acid

Broader concepts

labelprovenanceconfidence
key ingredientisap:1894418890.731364
powerful antioxidantisap:4177725580.632397
supplementisap:1893357090.566234
antioxidantisap:4177725250.509622

Narrower concepts

labelprovenanceconfidence