Dr. Rob's Hist Support

Dr. Rob’s Hist Support, formally known as Dr. Rob's Aller Rest, blends vitamins, plant extracts, and enzymes that work together to help maintain clear sinuses, support balanced mast cell activity, and promote overall respiratory and immune wellness as part of your daily routine.*

Key Ingredients

Stinging Nettle
A traditional botanical that contributes to respiratory comfort and supports the body’s natural seasonal defense processes.*

Bromelain (from Pineapple)
A natural enzyme that helps promote healthy tissue response and supports normal sinus and respiratory function.*

N-Acetyl-L-Cysteine (USP)
A nutrient that helps support the body’s natural production of glutathione, an important antioxidant involved in maintaining healthy respiratory tissues and normal mucus consistency.*

Vitamin C (as Ascorbic Acid)
An essential antioxidant that supports the body’s natural defenses and contributes to healthy connective tissues, including those in the respiratory system.*

Quercetin Dihydrate
A plant-derived bioflavonoid that helps support balanced mast cell function and promotes a healthy response to environmental triggers.*

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.