l carnitine 500mg medicine Swanson Vitamins Calcium L-Carnitine Support Supplement L-Carnitine, 500 mg, 120 Capsules

Healthy mitochondrial function is essential for energy production, endurance, and cellular health

doi: 10.2174/1389557515666150324122930

By improving HRV, L-carnitine helps shift the autonomic nervous system out of chronic sympathetic overdrive (the "fight or flight" state) and enhances parasympathetic vagal tone (the "rest and digest" state), promoting a calmer, more regulated nervous system response to physical stressors

[DOI] [PMC free article] [PubMed] [Google Scholar] 128.Vilks K, Videja M, Makrecka-Kuka M, Katkevics M, Sevostjanovs E, Grandane A, et al

Huperzine-A - 200mcg: Helps increase acetylcholine neurotransmission so you can focus and conquer your workout