Posted by Reviewer3064193 on Nov 30, 2010
Posted by Reviewer2427927 on Jan 23, 2011
I have been using Derk and Sandy's products for years. Their Dual-C is easy to digest, gives me energy, and adds to my good health. I highly recommend Dual-C (LEX-24009)
Posted by Reviewer2978913 on Feb 01, 2012
very happy in my mind
Good for the stomach !
Posted by Reviewer1171802 on Feb 16, 2012
Vitamine c is very important. Very good product.
Life Extension, Dual - C
Posted by Reviewer1898633 on Mar 15, 2012
not stomach problem.very good.