https://dir.indiamart.com/impcat/ivermectin.html
and there are endless providers.No telling what else they can get I never got into it.
Between Ivermectin from time to time,I use it as maintenance,D3—2,000 units— three a day,1,500 vit. C, good quality zinc and a multi vitamin, it's all I need.
Also, for me I don't do hard pills. They don't work as well with me. I use chewable stuff or close to it for most pills.
I also take a multivitamin, extra Vit C & D, as well as Natto, Zinc, NAC and potassium.
I've been suffering from what my doctors call chronic fatigue, but we all know as Long Covid. I've been hit really hard the past three weeks and it is forcing me to work less and sleep more, when I can get to sleep! It's a good thing I'm retiring and got lots of sick leave built up.