Concentrations reported in published preclinical animal studies vary widely by model, route, and endpoint, and they are not dosing recommendations
A deficiency can manifest as dryness, acne, or even hyperpigmentation
Pyrroloquinoline quinone modulates mitochondrial quantity and function in mice
This is because a large percentage of L-arginine is broken down before reaching your bloodstream ( Studies have found L-citrulline to increase blood flow, improve exercise performance, and lower blood pressure ( L-citrulline is considered relatively safe, and there is a low risk of side effects, even with high doses ( Mouthwash destroys bacteria in your mouth that can contribute to the growth of cavities and other dental diseases
A shared sequence region does not make the two molecules interchangeable in pharmacokinetics, stability, distribution, metabolism or biological effect
Reserve purely systemic injection for situations where local access is difficult or when addressing multiple widespread issues