But for some individuals, such as preterm infants or those with genetic or medical conditions, the body cant make enough L-carnitine
And if we can't increase carnitine in the muscle with a supplement and we can't get it into the mitochondria, it can not exert its claimed effects
High levels of TMAO are linked to an increased risk of atherosclerosis a disease that clogs your arteries
[Ref] Renal Common (1% to 10%): Kidney failure (chronic hemodialysis patients) [Ref] Endocrine Common (1% to 10%): Parathyroid disorder [Ref] Respiratory Very common (10% or more): Pharyngitis (27%), cough increase (18%), dyspnea (11%), rhinitis (11%) Common (1% to 10%): Bronchitis, sinusitis [Ref] Dermatologic Common (1% to 10%): Pruritus, rash [Ref] Ocular Common (1% to 10%): Amblyopia, eye disorder [Ref] Genitourinary Common (1% to 10%): Urinary tract infection [Ref] Cardiovascular Very common (10% or more): Hypertension (21%), hypotension (19%) Common (1% to 10%): Atrial fibrillation, arrhythmia, cardiovascular disorder, electrocardiogram abnormal, palpitations, tachycardia, vascular disorder [Ref] Hypersensitivity Common (1% to 10%): Allergic reaction [Ref] Psychiatric Common (1% to 10%): Depression, anxiety, drug dependence, insomnia [Ref] Immunologic Very common (10% or more): Infection (24%) [Ref] References 1
A 2023 review concluded that L-carnitine supplementation may reduce fasting blood sugar and hemoglobin A1c, while also improving insulin sensitivity in people with diabetes, overweight, or obesity
