1 ounce $15 2 ounces $27 4 ounces $48 Purchase here: https://wildnweedy.com/product/japanese-knotweed-polygonum-cuspidatum/
You can read a little more about it’s applications for Lyme disease here: https://wildnweedy.com/herbal-healing/japanese-knotweed-root-polygonum-cuspidatum/
And an article by Stephen H. Buhner about it’s use in the current pandemic here: https://www.stephenharrodbuhner.com/wp-content/uploads/2020/03/coronavirus.txt.pdf