Vital Nutrients Aller-C – Vegan Respiratory and Sinus Function Support*- Isoquercitrin, Bromelain, Bioflavonoids, & Vitamin C – Gluten, Dairy, Soy Free Supplement – 100 Capsules

Customers find the supplement effective for allergies and inflammation, with one mentioning it dramatically helps with cedar allergies every season. The product receives positive feedback for its quality. Regarding side effects, while some customers report no issues, others say it made their allergies worse.