l-carnitine natural products NOW Foods Supplements, 1,000 mg, Purest Form, Amino Acid, Fitness Support*, 100 Tablets : Health & Household Source Naturals Acetyl L-Carnitine Tablets

Phosphocreatine is the primary energy source for high intensity exercise and is helpful for quick movements that require a lot or rapid energy, such as lifting weights, jumping, and sprinting

Furthermore, L-carnitine is effective for chest pain, heart failure, kidney failure, hyperlipidemia (having high levels of cholesterol or lipids in the blood), male infertility, swelling of the heart, toxic side effects caused by valproic acid, and polycystic ovary syndrome

doi: 10.3390/ani12070935 5

It listed the following benefits: increased maximum oxygen consumption and higher power output

Kizhakekuttu TJ., et al

To satisfy these assumptions, we only selected SNPs strongly associated with l-carnitine