Thymus peptide C, a hormonal drug derived from the thymus glands of young calves, acts as a substitute for the physiological functions of the thymus.

Sodium succinate is the sodium salt form of succinate which is an important metabolite at the cross-road of several metabolic pathways and involved in the formation and elimination of reactive oxygen species.

DL-Menthol has short term toxicity in rats, it plays a role in the induction of surgical anesthesia in fishes, related at least in part to the activation of GABAA receptors.