Ortho Molecular Natural D-hist W/quercetin 10 Capsules

Natural D-Hist® is a specialized blend of flavonoids, antioxidants, proteolytic enzymes, and botanicals designed to support seasonal challenges caused by common environmental allergens. With ingredients such as quercetin, bromelain, stinging nettle leaf, and N-acetyl cysteine, this formula promotes healthy nasal and sinus passages, especially for those with elevated histamine levels and respiratory irritation. Ideal for supporting a healthier response to seasonal changes.