Evidence / interpretation
Read a claim by asking what supports it.
Start with the question being answered. A medicine label is its official instructions and warnings. A study and a doctor’s licence record answer other questions. Ask what kind of proof supports the claim.
What can the medicine instructions tell me?
A product’s FDA-approved uses identify the conditions and patient groups covered by that approval.
A label also describes reactions, precautions and reasons a product cannot be used.
FDA product approval was absent for compounded medicine as of September 2026, even when an approved drug used the same ingredient.
So a study of an approved product cannot by itself establish that a compounded preparation gives the same results.
Evidence AWhat can a trial average tell me?
STEP 1 measured average weight loss of 14.9% for the semaglutide group at 68 weeks. The dummy-injection group’s average loss was 2.4%.
The adults in that study did not have diabetes. They had obesity, or were overweight with a health problem related to weight. Both groups had regular visits and advice about food and physical activity.
Novo Nordisk funded the trial. The result describes that study, not a guarantee for a reader.
When reading another claim, look for the patient group, the length of follow-up and the comparison treatment. An isolated percentage leaves those questions open.
Evidence BWhat do records and reports leave open?
Public state records let you check a doctor’s licence status and any public board action concerning conduct. A doctor’s care has not been graded simply because no public action is recorded.
A problem report cannot establish that a medicine was the cause, FDA explains.
Use the record to check permission. Use a problem report as a reason to look at the evidence, rather than treating it as a proven cause.
For dated rules or prices, keep the stated month with the claim. Ask for current confirmation before relying on terms for a care decision.
Evidence CPage footnotes
Open the source behind a section when you want its full detail.
Basis for this section
Basis for this section