EquiNAC granules are an oral equine supplement formulated with N‑Acetyl‑L‑cysteine to support normal respiratory function in horses. This easy-to-use horse supplement features antioxidant properties and is designed to be top-dressed on feed for convenient daily use. Ideal for horses exposed to environmental pollutants or needing added respiratory support, EquiNAC helps maintain clear, comfortable airways. Each pack includes 20 single-serve 5 g sachets, making it simple to add targeted equine respiratory support to your feeding routine. No prescription required in Canada or Quebec.