Sources of Vitamin B5...

Small quantities of pantothenic acid are found in most foods, with high quantities found in whole grain and eggs.

Pantothenic Acid Supplements

Pantothenic acid can also be found in many dietary supplements (as calcium-D-pantothenate), and some energy drink companies are now adding pantothenic acid to their beverages.

A recent study also suggests that gut bacteria in humans can generate pantothenic acid.