Supports Normal Histamine Levels - A synergistic blend of nutrients that provides natural support to help balance the immune response.*

Quercetin & Bromelain - Quercetin may promote normal histamine metabolism. Bromelain promotes normal mucus clearance and may help to lower occasional complaints upon exposure to common environmental triggers.*

Nettles & Bicarbonate Salts - Nettle leaf and vitamin C have been historically used to support immune balance. Bicarbonate salts are included for their role in maintaining normal histamine metabolism, while luteolin helps maintain overall immune function.*

Vegan & Non-GMO - Manufactured in a GMP registered facility in the USA from US and globally sourced ingredients. Vegan and vegetarian-friendly, made without Gluten, GMOs, Dairy or Soy.

Clinically-Trusted Care - DFH is the #1 practitioner supplement brand recommended by functional medicine professionals and the #1 practitioner supplement brand personally trusted by functional medicine professionals.** ›  See more product details