- MED VitaShop www.medvitashop.com
- ConsumerMedSafety.org www.consumermedsafety.org
- Consumer Healthcare Products Association www.chpa-info.org
- PDR.net – The Most Trusted Source for FDA-approved Drug Labeling for Physicians and Prescribers www.pdr.net
- MedicineNet – Health and Medical Information Produced by Doctors www.medicinenet.com
- American Society of Health-System Pharmacists www.safemedication.com
- U.S. Food and Drug Administration www.fda.gov