I don’t oppose limited regulation of messaging regarding products that are for sale, as long as they are aimed at ensuring that buyers have full and correct information about what they’re buying. Also some limited safety regulation on products, but I do think you should be allowed to buy/sell “unsafe” things if you really want to (if properly labeled).
Regulation of products for sale is in line with the commerce clause. (I also think federal regulations on this should comply with the 10th amendment and not apply to local-only products. Wickard v. Filburn was a poor decision.)
The boundary between what is speech and commerce can be fuzzy, but if something is free and provides no profit to its maker then it’s obviously not commerce.