When HN users recommended it
1 HN user recommended this in 2019, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2019, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
Amazon (ironically enough, given their counterfeiting problems) has been doing this for their Elements supplement brand.
Example: https://www.amazon.com/Amazon-Elements-Multivitamin-Cultured...
You can scan a QR code and get the test results for the specific batch included in the bottle.