Natural D-Hist - 120 Capsules

Natural D-Hist® is a supplement containing flavonoids, antioxidants, enzymes, and botanicals intended to support respiratory health during allergy season.

• The formula includes quercetin, bromelain, stinging nettles leaf, and N-acetyl cysteine.
• The description claims the product promotes healthy nasal and sinus passages for individuals with elevated histamine and respiratory irritation.