Buying guide
The number on the ad is only the beginning.
How to turn a starting price into a useful monthly budget.
The reading room
Make sense of the small print.
Practical money guides, product explainers and source-backed research notes.
Browse guides
Money guide
A lower monthly equivalent can mean a much bigger first bill.
Compare prepaid plans by total commitment, renewal and refund rights.
Research note
Compounded is an approval distinction, not a discount brand.
What a price comparison needs to say about FDA-approved and compounded medicines.
Product guide
Semaglutide pills and injections need separate price comparisons.
Same ingredient name, different products, labeling and price bands.
Offer explainer
The refill window behind a Zepbound price.
Why the device and a 45-day deadline belong next to the offer.
Product guide
Foundayo: an approved pill, a changing price schedule.
Orforglipron is a non-peptide GLP-1 medicine with dose-specific offers.
Research note
NAD+ prices are easier to find than proof of longevity benefits.
Separate the package, the route and the evidence.
Ingredient guide
Copper peptide on the label is only the first detail.
GHK-Cu, derivatives and a concentration discrepancy worth asking about.
Offer explainer
A four-dose Vyleesi box is not a monthly PT-141 plan.
The indication, the package and the savings-program eligibility are separate.
Calculator guide
Cost per milligram is a calculation, not a treatment comparison.
What the denominator tells you—and what it leaves out.
Methodology
The source behind every price.
Our price file is a dated research snapshot, with limitations you can inspect.
Product guide
One ingredient, two routes, two recurring prices.
Reading the AgelessRx glutathione offers without inventing equivalence.