I think you've mistaken Vitamin D and Vitamin D3
https://pillser.com/search?s=dfbtbc9110&q=%22Vitamin+D3%22
The cheapest price on Pillser for D3 is $0.26/mg
https://pillser.com/search?s=dfbtbc9110&q=%22Vitamin+D3%22
The cheapest price on Pillser for D3 is $0.26/mg
If you want to look for the specific ingredients, you can do so by clicking on the "Ingredients" of the product example: Here are the links for the Vitamin D and D3. https://pillser.com/vitamins/vitamin-d and https://pillser.com/vitamins/vitamin-d3
There is even a Google Sheet that is generated based on the data that we have, although I just noticed that it's not updating properly, so I need to fix that.