There are often limited time flavors that may not warrant shelf space in every store, but likely also don't warrant a lenghty trip to find them. If they could be ordered, that would be nice.
You could maybe get these from Amazon, but it would be better to order direct and have the care and attention to detail in packing that Amazon lacks.
https://www.mountaindew.com/store-locator/
I used these to watch Diet Mountain Dew Code Red slowly disappear from my area, then region, then entire coast over the course of a few years. Haven't had it in ages now.
At the time, anyway, it felt like they were flagging the whole regional grocery chain as carrying it, when only select stores ever actually had it. I'd go and there would be no stock, and no place on the shelf for it either.
(I have a coke can next to me as I type; it is sugar-sweetened)
Pepsi was selling "Dr Pepper Heritage" (green/yellow cans) and "Pepsi Throwback" for a few years around a decade ago. It was pretty widely available at gas stations in the midwest, although 12-packs of the Dr Pepper was not very common.
"Mexican coke" is still made with real sugar. Costco has it in glass bottles pretty consistently, and sometimes has pepsi in glass bottles with real sugar as well (although the pepsi isn't labeled like it's a Mexico product).
They have glass bottles of pepsi and coke around Kansas City in Mexican grocery stores as well as, oddly enough, the gas stations on the Kansas Turnpike. Half liter bottles are more common in the Mexican stores, but wal-mart often has 12 oz bottles of Mexican coke in the Hispanic section.
* just checked all the cans in my house. Six-packs in the fridge from the grocery came from the EU, and have sugar. Two-fours in the basement from the discounter came from some nordic-speaking country, and have sugar.
Baja Blast is free of it, for anyone looking for a replacement.
https://www.usatoday.com/story/news/factcheck/2020/05/28/fac...