Side effects of taking l-carnitine and melatonin?

Limited: Carnitine has been proposed as a treatment for many conditions because it acts as an antioxidant -- but it has never been proven scientifically to be helpful. Melatonin can cause fatigue and is given to help people sleep.

Melatonin: Possible se’s from melatonin include: feeling tired the next day, sleep walking, nightmares, vivid dreams, dizziness, confusion, headache, GI upset, v libido, v sperm count, gynecomastia in men & mood changes.