N-acetyl-L-cysteine (NAC) This is a special form of the amino acid, L-cysteine
Mohamed, Rania H
(2) J M Monti, J Debellis, P Alterwain, T Pellejero, et al (1987) Study of delta sleep-inducing peptide efficacy in improving sleep on short-term administration to chronic insomniacs International Journal of Clinical Pharmacological Research, 1987, Volume 7 (Issue 2), Pages 105-10
L-Carnitine tartrate for a double attack on fat tissue
None of these pathways directly substitute for another, which is part of why researchers interested in a fuller picture of metabolic regulation may look at all three within the same body of literature not to combine effects, but to understand how separate systems might interact at a mechanistic level
After 20 draws of 5 units each, you have used 1 mL total