These products most commonly appear as capsules and tablets; oil‑based herbal supplements are often sold as liquid phyto‑caps.
Many items are labeled for adult use. Several over‑the‑counter chest‑congestion medicines are labeled for ages 12 years and older.
Package quantities vary widely — examples range from small counts such as 7 tablets up to larger bottles of 60 or 180 capsules; some oil supplements list servings (for example, 30 servings).
They commonly advertise effects such as clearing or thinning mucus to ease chest congestion, supporting normal lung function and respiration, and providing immune or antioxidant support for respiratory health.
Some products explicitly state they do not contain the nine major allergens; others note being gluten‑free or soy‑free.