I use Organic traditions for the Wheatgrass juice powder which you can get on Amazon and Herbal Goodness for the Papaya leaf extract. This is quite expensive. $120.00 (60) capsules. Read all the reviews. You can also
Get the liquid very expensive. I noticed there is a new brand called Jaan Papaya leaf. Capsules as well $54.50 for 60 tablets. I might try it when I run out. This is all on Amazon as well. If you Google how to raise platelets naturally they give you a list of super foods as well. My hematologist is fine with me taking these because my platelets went up. I hope this has been of some help. God bless!!!