Is vitamin C the same as ascorbic acid? Yes. Vitamin C is the nutrient's name and L-ascorbic acid is the chemical. Here is where the name came from, and what sodium ascorbate and other names on a label mean.

Is a vitamin C tablet or capsule better absorbed? No source we found shows the shell itself makes a difference. Here is what does: how the product is designed to release its contents, how easily you swallow it, and storing it the way the label says.

Is there a best time to take vitamin C? The major reference sources set no time of day. What the NIH figures actually show is that how much you take in one sitting matters more than when.