Β-boswellic acid (β-BA) is one of the active triterpenoid compounds from the extract of boswellia serrate, known in Indian Ayurvedic system of medicine as Salai guggal. Beta-boswellic acid has been indicated in apoptosis of cancer cells. β-boswellic acid belonds to class of boswellic acids exhibiting anti-inflammatory activities, which are in the phase II clinical trial for study of safety and tolerability in subjects with Relapsing Remitting Multiple Sclerosis.

Ethyl β-carboline-3-carboxylate or beta-carboline-3-carboxylic acid ethyl ester, an endogenous compound that was isolated from human urine. It is a partial inverse agonist at the benzodiazepine site on the GABA-A receptor. Experiments on rats have shown that ethyl β-carboline-3-carboxylate produces the anxiogenic-like effect but do not affect brainstem activated hippocampal theta.