l carnitine marathon running More than 95% of your L-Carnitine stores are contained in your muscles, along with trace amounts in your blood, liver, heart and kidneys. L- is an essential amino acid that helps you NutraBio L Is L-Carnitine a Natural Weight

Genazzani, A

Section Summary: L-carnitine supports fertility primarily by improving sperm health, motility, and count in men, and by supporting mitochondrial function and egg quality in women

Carnitine Uses In addition to helping those with carnitine deficiencies, L-carnitine supplementation may benefit individuals with the following conditions: Carnitine for Heart Disease Studies suggest that people who take L-carnitine supplements soon after suffering a heart attack may be less likely to suffer a subsequent heart attack, die of heart disease, experience chest pain and abnormal heart rhythms, or develop congestive heart failure

However, a 2020 review notes that more research is necessary to support the use of L-carnitine for better exercise performance

doi: 10.1016/j.rbmo.2017.06.015 19 SunQHuangGNSunHXFanLQFengYShenHet al