what are the difference in l carnitine and acetyl L-Carnitine vs L-Carnitine: Which is Better Acetyl-L-Carnitine - 90 Vegetarian Capsules
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doi: 10.1016/S1474-4422(19)30287-X 13 BloemB

Phelan SA, Wang X, Wallbrandt P, Forsman-Semb K, Paigen B

They do not compete for the same absorption pathways, and in fact, they work complementarily to protect and rebuild your body's structural tissues

This is a mechanistic connection it follows logically from the biochemistry
