This product provides specific nutrients to support the body’s natural immune response during seasonal changes.* This comprehensive, powerful formula is based on scientifically researched ingredients to help support healthy histamine levels.

Vitamin C and manganese support healthy mucous membranes and nourish the tissues of the respiratory system.* Both vitamin C and manganese are necessary ingredients in connective tissue production and repair. Standardized extracts of the herbs Lemon Balm and Holy Basil have been traditionally used to support a healthy upper respiratory tract. *

This Irwin Naturals formula contains the clinically studied ingredients Rosmarinic acid extract (from Perilla frutescens) and Quercetin to promote a healthy immune response to seasonal changes.*

In a recent study, Quercetin was shown to promote healthy histamine levels in study subjects. 4 A separate study using 50 milligrams of Rosmarinic acid extract was found to be an effective intervention for subjects who were mildly affected by seasonal variations.

The herb Bromelain functions as an enzyme in the body to help promote healthy nasal functioning during the change of the seasons. * Bromelain also promotes an intense support role in sinus health. *

This Irwin Naturals product has been formulated to support the body naturals immune response and promote healthy histamine levels during seasonal change. Containing researched levels of high quality herbs, vitamins and minerals, this formula can help you manage the inconvenience of seasonal changes. *