By the GLP Chart editors. How we check. How we make money. Some visit links earn us a commission.
Editorial policy
We check every price against the program's own pages each Monday and keep the receipt.
How prices are checked
We check pricing and policies every Monday against each program's own pages. When a site blocks automated access, we confirm the figure through a web search of the program's own materials.
We do not create accounts, buy medication or make payments to pull a price. An Estimated mark means the program publishes no maintenance price.
Dates and receipts
Each program page shows the date we saved the page its price came from. Since September 3, 2026 the price check keeps a receipt: the figures read off the page that day, each with its label, and the address of the page.
To see a receipt, email hello@glpchart.com with the program name. Week-by-week prices sit on the price index.
How money links work
Some links earn us a commission when you sign up. Those links carry rel="sponsored" in the page code. Programs that pay us come first in the chart's Featured view, and we sell Featured rows and newsletter rows on our rate card.
Programs that pay nothing stay on the chart, below those that pay. Tap Lowest monthly cost to sort every program on price alone. The methodology has the full rules.
Corrections
Send an error to the corrections page. We check the submitted source and, if it is accurate, correct the record. Turnaround times are listed there.
What this site is not
GLP Chart compares published prices. It is not a medical provider and its pages are not medical advice.