With all due respect Bulk Supplements has been around for years on Amazon and by itself. It is reputable. I discovered that if you buy Bulk Supplements items on ebay there is no shipping charge. While ordering on their website there is a $50min for free shipping.
If you’re certain that it actually IS coming from your usual provider, good for you.
Since CV...a LOT of people have been buying up supplies, supplements, etc, and re-selling them on Ebay.