Elderberry is the perfect daily addition for an extra immune booster. It is known to fight colds and flus, boost the immune system, lower cholesterol, improves heart health, improve eyesight and fight infections. Ingredients: Elderberries, Vegetable Glycerin. This vegetable-based glycerin extract is safe for kids. Dosing: up to 3 years old give 5 drops, older kids 10 drops. Adults: Take a dropper full once or twice a day and as needed.