A Burning Question: Can Niacin Help Mitochondrial & Blood Vessel Issues in ME/CFS, FM and long COVID? - Health RisingA kind of niacin supplement can help increase blood flow to ease fibromyalgia pain.#niacin#fibromyalgia#pain#stiffness#treatment#rehabilitation·healthrising.org·Nov 19, 2023A Burning Question: Can Niacin Help Mitochondrial & Blood Vessel Issues in ME/CFS, FM and long COVID? - Health Rising