l carnitine dramatic results for treating hyperthyroidism Adding L-Carnitine and Selenium to Methimazole in Graves' Disease: A Prospective Randomized Trial on Thyroid Markers and Quality of Life carnitine is good for something!

Fiber slows gastrointestinal transit time and thus may not be appropriate for patients at risk for intestinal blockage or patients who have been advised to eat a low-residue (low-fiber) diet (Stubbe 2013)

[Treatment with carnitine, acetyl carnitine, L-arginine and ginseng improves sperm motility and sexual health in men with asthenopermia]

The second ingredient is levocarnitine, which is the pharmaceutical name for L-carnitine

Acetyl L-Carnitine 500mg by Douglas Labs Acetyl L-Carnitine by Douglas Laboratories contains 500 mg of pure acetyl-L-carnitine, an amino acid that is naturally-occurring in the human body

doi: 10.1530/REP-13-0251

doi: 10.1021/bi00321a022