| Pantethine 300 mg, 30 Tablets, Source Naturals Pantethine Supports Cholesterol Wellness. Pantethine is the biologically active form of pantothenic acid (vitamin B-5). It is a precursor to co-enzyme A, which plays a central role in the production of cellular energy via the Krebs' cycle. Pantethine... ... more Pantethine 300 mg, 30 Tablets, Source Naturals Pantethine Supports Cholesterol Wellness. Pantethine is the biologically active form of pantothenic acid (vitamin B-5). It is a precursor to co-enzyme A, which plays a central role in the production of cellular energy via the Krebs' cycle. Pantethine... Vitasprings.com | | $16.79 go to store |