Cao Y., Hao C., Wang C., et al., Urinary Excretion of LCarnitine, AcetylLCarnitine, PropionylLCarnitine and Their Antioxidant Activities After Single Dose Administration of LCarnitine in Healthy Subjects, Brazilian Journal of Pharmaceutical Sciences 49 (2013): 185191, 10.1590/S1984-82502013000100020
Every vial of BPC-157 10mg is HPLC-tested to guarantee 99% purity
Therefore, you should avoid milk thistle if you're allergic to the Asteraceae or Compositae plant families (which, aside from milk thistle, include chrysanthemums, daisies, sunflowers, and marigolds)
It is recommended to wait a week or two before adjusting the dosage if results are not immediate (19)