This article reviews the biggest lung health research developments of 2025, highlighting natural compounds like NAC, mullein, pine bark extract, and antioxidants that support respiratory wellness. 

After publishing our original lung health FAQ, readers asked hundreds of follow-up questions about mullein supplements, respiratory support routines, and product quality. This article answers the most common topics—from ingredient sourcing and combining supplements to setting realistic expectations for results. 

Betterbrand partnered with Citruslabs to conduct a 60-day clinical study on our Mullein + Chlorophyll Drops. In this article, we break down the study design, results, and why third-party testing and clinical transparency matter when choosing respiratory wellness supplements.

This head-to-head review of BetterLungs vs Herbamama Mullein breaks down ingredients, formulation expertise, third-party testing, clinical evidence, and overall value. Discover which option offers more comprehensive respiratory support and long-term confidence.

This guide compares mullein’s role in airway comfort and mucus clearance with elderberry’s immune-support benefits to help you choose the right option.