The Mayo Clinic thinks otherwise: https://www.mayoclinicproceedings.org/article/S0025-6196%2815%2900244-X/fulltext https://www.mayoclinicproceedings.org/article

The Mayo Clinic thinks otherwise: https://www.mayoclinicproceedings.org/article/S0025-6196%2815%2900244-X/fulltext https://www.mayoclinicproceedings.org/article/S0025-6196%281... Another article about the findings: https://newsnetwork.mayoclinic.org/discussion/vitamin-d-toxicity-rare-in-people-who-take-supplements-mayo-clinic-study-finds/ https://newsnetwork.mayoclinic.org/discussion/vitamin-d-toxi...