You can start taking without any hesitation... Moringa is good for your immunity and also is iron rich... I would also suggest you to take moringa leaves

Why you want to take it by urself , please share details first

Yes you can ofcourse start moringa tea. 

Yes it's good for health and take it as a health supplements. And you can take it in hypothyroidism also. Stop all supplements which are you taking gradually.

Yes you have it

Don't counter one medicine with another, take a suggestion from your nearest Vaidya for better suggestion

You can take moringa powder as tea But of possible eat moringa leaves. They are much more beneficial

Find out root cause of your problem by ayurved way diagnosis Correct it by ayurved way medicine diet and lifestyle corrections Finding out root cause and its cure is very important for improvement permanent cure Correct diagnosis by ayurved way is very important main factor in treatment Take any ayurved medicine after proper ayurved way diagnosis only for avoiding bad effects of intake Take online consultation directly for accurate diagnosis and treatment diet chart home remedies

You can start moringa tea in the morning and stop all the supplements you take . As moringa is a super food and covers all nutrients

Ur general health condition ,ur purpose of taking the powder want the details then I can advise u.