Although the body produces L-Carnitine in the liver and kidneys, various factors such as poor diet, aging, and high levels of physical activity can reduce natural stores, making supplementation beneficial
In correcting one deficiency, you do not want to cause another
A 2025 systematic review found: After analyzing 985 resultant articles and 5 records identified outside of the databases through citation tracking, 10 studies that met the inclusion criteria were included in the systematic review
Persistent or Debilitating Fatigue If your tiredness isn't improving after the first few weeks on a new dose, or if it's so severe that it prevents you from performing your daily activities such as working, caring for family, or managing your household, it's time to seek medical advice
The real risk often comes from: Overdosing Poor-quality supplements Unrealistic expectations When used responsibly, L-Carnitine can be a useful addition to a structured fitness and nutrition plan