Zinc lozenges are well-studied for supporting respiratory health and keeping throat tissues comfortable and healthy.* Elderberry (Sambucus nigra) has a good track record as a botanical involved in lung and immune system health.* Vitamin D3 keeps immune cells working at peak capacity.* Many elderberry and zinc lozenges on the market contain sugar, but our lemon-berry lozenges taste great and are sweetened with xylitol, stevia, and honey powder.