While direct drug interactions are unlikely based on known mechanisms, the lack of safety studies and standardized formulations means healthcare providers cannot definitively assess safety or benefit
The receptor is mainly located on melanocytes, endothelial cells, and epithelial tissues, including those of the liver, gastrointestinal tract, kidney and other organs
But clinical trial comparisons across different studies carry significant caveats
Without adequate B6, P5P, cysteine and zinc, converting downward into glutathione is also impaired
Meet Our Experts See Our Editorial Policy Meet Our Health Expert Network Michelle Seguin, MD Medical Reviewer Member of American College of Lifestyle Medicine Michelle Seguin, MD, is a board-certified family medicine, lifestyle medicine, and certified functional medicine physician (IFMCP)