The boost to the immune system from the vitamin D produced by sunlight on the skin is amazing. Also a good sweat from working in the yard or sitting in a sauna along with drinking plenty of fresh water flushes out stale toxins.
A healthy immune system is always your strongest medicine so get outside and start moving in a positive direction.
Doing the basics might be the missing link to making your parasite drugs more effective and better absorbed....less of an uphill battle.
If you sun-burn easily check out Astaxanthin, it's VERY cheap!