l-cysteine glutathione Formula Blend NAC N-Acetyl-L-Cysteine

*Correspondence: Chen Qiu, [email protected] This article was submitted to Cancer Metabolism, a section of the journal Frontiers in Oncology Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

Subjects cycled at 70% of predicted heart rate (pHR = 220-Age) for 25 min then increased to 85% pHR

Neurotoxicology 32(6):742

In another study, cell cultures of patients with PEO/Kearns-Sayre syndrome grown in a medium containing KB, hence replacing glucose as the carbon source, showed reduced heteroplasmy mtDNA mutation levels (117)