Sam's Club has this item in a special club pack for $34.95. This item is selling for between $50-$60 on eBay USA. Now is the time for health related products as everyone is in the "new year lose weight" mode.
You will find lots of variations on this product if you check completed listings. You want the club pack shown on item #390017388850 - it appears to be the most consistent seller.
No, you won't become a millionaire selling this, but if you can find it at your Sam's and sell it repeatedly, you can make some easy money.