Sources & References
DosageGuide.com is committed to providing accurate, evidence-based information. Below are all the sources and references used across our medication guides, comparison pages, and blog articles.
U.S. Food & Drug Administration (FDA)
Federal agency responsible for protecting public health by ensuring the safety and efficacy of drugs, biological products, and medical devices.
- FDA - Ibuprofen Drug Facts LabelUsed in: Ibuprofen, Advil, Motrin
- FDA - Acetaminophen InformationUsed in: Acetaminophen, Tylenol, Acetaminophen vs Ibuprofen
- FDA - OTC Pain Reliever SafetyUsed in: Tylenol vs Advil, Ibuprofen vs Tylenol
- FDA - NSAIDs Safety InformationUsed in: Acetaminophen vs Ibuprofen
Mayo Clinic
A nonprofit American academic medical center focused on integrated health care, education, and research. One of the most trusted sources for drug information.
- Mayo Clinic - Ibuprofen (Oral Route)Used in: Ibuprofen, Advil, Motrin
- Mayo Clinic - Acetaminophen (Oral Route)Used in: Acetaminophen, Tylenol
- Mayo Clinic - MelatoninUsed in: Melatonin
- Mayo Clinic - Over-the-Counter Pain RelieversUsed in: Tylenol vs Advil, Ibuprofen vs Tylenol, Acetaminophen vs Ibuprofen
Cleveland Clinic
A nonprofit multispecialty academic medical center that provides clinical and hospital care and is a leader in research, education, and health information.
- Cleveland Clinic - Ibuprofen TabletsUsed in: Ibuprofen, Advil, Motrin
- Cleveland Clinic - AcetaminophenUsed in: Acetaminophen, Tylenol
- Cleveland Clinic - MelatoninUsed in: Melatonin
- Cleveland Clinic - Acetaminophen vs IbuprofenUsed in: Tylenol vs Advil, Ibuprofen vs Tylenol, Acetaminophen vs Ibuprofen
National Institutes of Health (NIH)
The primary agency of the United States government responsible for biomedical and public health research. Includes NCCIH and DailyMed.
- NIH - DailyMed Ibuprofen LabelUsed in: Ibuprofen
- NIH - LiverTox: AcetaminophenUsed in: Acetaminophen, Tylenol
- NIH - DailyMed Advil LabelUsed in: Advil
- NIH - DailyMed Motrin LabelUsed in: Motrin
- NIH - Comparative Efficacy of OTC AnalgesicsUsed in: Tylenol vs Advil, Ibuprofen vs Tylenol
National Health Service (NHS)
The publicly funded healthcare system of the United Kingdom, providing comprehensive drug information and patient guidance.
- NHS - Ibuprofen for AdultsUsed in: Ibuprofen
- NHS - Paracetamol for AdultsUsed in: Acetaminophen
Sleep Foundation
An organization dedicated to improving sleep health through evidence-based information and resources.
- Sleep Foundation - Melatonin Dosage GuideUsed in: Melatonin
Manufacturer Product Labels
Official product labeling and dosage information from medication manufacturers.
- Advil Official Website - Product InformationUsed in: Advil
- Tylenol Official Website - Product InformationUsed in: Tylenol
- Motrin Official Website - Product InformationUsed in: Motrin
Our Commitment to Accuracy
All content on DosageGuide.com is sourced from authoritative medical organizations and peer-reviewed literature. We review and update our content periodically to ensure it reflects the latest guidelines and safety information.
If you notice any inaccuracy or have a suggestion for an additional source, please contact us. For more information about how we create and review content, visit our About page.