May support healthy levels of histamine. Comprised of natural ingredients like Quercetin, Marshmallow Root, Curcumin, Boswellia serrata, Adrenal Concentrate, Luteolin, and Zinc Carnosine, Hista-Ease was developed to rebalance histamine levels, addressing problems associated with histamine imbalance and supporting vasoconstrictive/vasodilation, neurotransmission, gastric acid secretion, sleep-wake cycles and the activation of immune cells.