How Much White Willow Bark Should You Give A Dog?
How Much White Willow Bark Should You Give A Dog? 1/2 Tablet Twice Daily. How long does it take for white willow bark to work? The pharmacokinetics of salicylic acid delivered from willow bark have been studied, and plasma half-life is approximately 2.5 hours. Another pharmacokinetic study of salicylic acid from salicin found peak levels