We want to look for a solution that's safe for our love ones. Followings are what my family are taking which you can consider. The products have more than 10 years of grade A, Food Safety Excellence Award. It has GMP certification as well. As the products have no chemicals and addictives, it does not need HSA certification.
Most importantly, it is made of freeze dried wholesome plant, fruit and vegetables.
Noco strengthen the respiratory system including the lungs and respiratory passages. It prevents frequent cold, cough, flu and bronchial distress. It also improves asthma and reduce frequency of severe headache.
Triflora helps to relieve headache, fever and sore throat as it has anti inflammatory, anti bacteria and anti viral properties. A great beverage for general detoxification.
Read more here about haze.
Thank you and best regards
Health trainer / coach / speaker