@RheumNow #ACR2019 ABS899 Tart cherry concentrate had NO effect on serum urate, urine urate excretion or the frequency of gout flares over 28-day study period (p=0.76). However, those receiving allopurinol had significantly greater increases in urinary anthocyanins (p< 001) https://t.co/JJm9RCILoH