L-Carnitine vs Acetyl-L-Carnitine: They Are Not the Same Supplement
That extra acetyl matters. L-carnitine and acetyl-L-carnitine are related compounds with different structures, so their supplement labels are not interchangeable. See the difference in plain language, then explore NOW Liquid L-Carnitine and Doctor's Best Acetyl-L-Carnitine at Healthy NZ.