Click on any of the links below
a) Notes by Dante: The below Huai-Qi-Huang is another name for Astragalus
https://pubmed.ncbi.nlm.nih.gov/18037104/
https://www.sciencedirect.com/science/article/abs/pii/S0272638613008275
https://www.ajkd.org/article/S0272-6386(10)00474-9/fulltext
https://pubmed.ncbi.nlm.nih.gov/18037104/
b) Grape Seed Extract
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5083963/
c) Pcynogenol
https://journals.sagepub.com/doi/10.1177/1074248409356063
d) Cordyceps