Been working on this for over a year, I can handle yc rhubarb up to 1.25%, but if you are sensitive it works as low as 0.5%

CAP New York Cheesecake 2%CAP Super Sweet 0.5%INW Rhubarb (yc) 0.75%TPA Bavarian Cream 0.5%TPA Strawberry 1%TPA Vanilla Custard II 2%

Total Flavor: 6.75%