Yes it works good for the foresaid issues. Howevertaken with milk will work better. And yes churnas do expire after certain age of time, on average 2 years and in cse of mixture it would be better to mixsmall amounts that last for a month or less as the life mixed powder reduces.

Hello my friend. Yess, the combination that you're planning to have, works great in sexual dissorders like premature ejaculation, azoospermia etc. One can also add 'Gokshur Churna' in equal amount. OR 'Shuddh Sheelajit'  is also helpful which is available in capsule form. But still I would advise you to consult with your physician before you start any treatment. Get rid bad habits if you're having any, like alcohol consumption etc.

Usually Churna (Herbal powder mix)  expiry is up to  two years. (This applies if the Churna jar is kept airtight closed.) As a general rule, once opened, the Churna jar it  should be finished within 2 – 4 months

may be expires share me some more details about your disease then I will suggest you best to