iHerb Customer Reviews
Posted by Reviewer2925188 on Mar 09, 2009
I feelcomfortable with C-1000
Large does w/ no stomach upset.
Posted by Reviewer2011628 on Aug 29, 2009
I typically take 10 grams of Vit C per day, 5 grams per dose without stomach upset at all. If I have a cold coming on I up the daily intake to 15-20 grams still with no upset.
great price and great product
Posted by Reviewer1250573 on Oct 27, 2007
Good price on sustained release 1000 mg. Vitamin C
Posted by Reviewer2070836 on Oct 31, 2007
Like large size
Posted by Reviewer2877120 on Dec 20, 2007
Taken when you feel a cold coming on, its super and works