$2 off Tummy Zen 30 or 50 Count Posted by Harbor Master on 28 October 2017, 9:50 am Tweet The Coupon expires 12/31/17 Click here to print $2 off Tummy Zen 30 or 50 Count CVS.com has Tummy Zen 30 Count printed at $8.99 (The price will vary by store). Buy one for $8.99 and use the $2 off coupon above. Pay $6.99. Submit for $5 cash back from Ibotta. Final price $1.99!