amway l carnitine Nutrilite Vitamins and Supplements Amway Nutrilite Daily Multivitamin &
Description
The second safety question is the supply chain

Since LCFAs are the main fuel source for muscle, L-carnitine is essential in energy metabolism

Researchers found that when they plotted prostate DNA damage (antioxidant measure) against toenail selenium status (nutrient concentration or intake) that it resulted in a U-shaped curve like the one shown above1
Bao, C., Zhu, M., Nykonchuk, I., Wakabayashi, H., Mathews, D