Its believed to be easier for your stomach to absorb, which would make it the faster-acting form
Changes in pineal indoleamines in rats after single melatonin parenteral-route [PMID: 8866249] Laboratory literature summary: Changes in pineal indoleamines in rats after single melatonin parenteral-route administration: evidence for a diurnal sensitivity to
How often is my prescription shipped
Measuring melatonin by immunoassay [PMID: 32281677] Laboratory literature summary: Measuring melatonin by immunoassay
I had a bout of severe anemia ten years ago, that the lab thought was P.A
Six targeted formulations, no cure-all cocktail: Vitamin C, B Complex, amino acids, minerals, glutathione, and biotin, each chosen for a specific goal rather than sold as a one-size health fix