l carnitine drowsiness L-Carnitine (500mg) MARNYS L-carnitine + Vitamin B5

[DOI] [PubMed] [Google Scholar] 15.Sykam A, Gutlapalli V, Tenali SP, et al

[DOI] [PubMed] [Google Scholar] 21.Oh H., Park C.H., Jun D.W

Serum carnitine levels in centenarians. Clinical drug investigation 17.4 (1999): 321-327

This varies depending on what protein powder and milk you use

It is essential for the initial transport of activated long-chain fatty acids across the mitochondrial membrane via the CPT system, thus governing the substrate flux available for both -oxidation and subsequent ketogenesis

Morning use: If your goal is enhanced mental focus and sustained energy, take it with breakfast or on an empty stomach in the morning