If Respinox is helpful, is that solely due to the ginseng root extract, which has been shown to be helpful for lung function in clinical studies, or is the Amla fruit extract (Phylanthus emblica) also contributing significant benefits?

The latter fruit extract is of significant value. It works in tandem with the ginseng root extract mechanistically. So it potentiates the bronchodilation effects of ginseng while also improving the microvasculature responses and coordination to provide effective blood flow, and a kind of rejuvenating effect on areas that have been stressed and damaged. This is a very important consideration because the degenerative lung diseases take their toll by damaging the lung tissues and rendering them unable to function ultimately. This is a one-way road unless it is stopped and ideally reversed. And that is what this combination of ingredients will help to bring about. It is a slow, incremental, process but the first order of business always with a degenerative disease is to slow, or halt ideally, its progression. And that alone is an achievement, and what this product is capable of doing.