The commissioners responses were open yet non-committal
Growth hormone support: Some studies show DSIP may influence GH secretion, which plays a key role in recovery, fat metabolism, and lean tissue maintenance
As one of the basic structural substances constituting the immune system, amino acids contribute to the development of immune organs, the proliferation and differentiation of immune cells, and the secretion of cytokines, all of which regulate the immune response ( Serine, including D-serine and L-serine, is known as non-essential amino acid (NEAA), which is synthesized in the body from glycine and 3-phosphoglyceric acid (Wolosker, 2018)
Neither is definitively "better"
These can further increase inflammation in your body and may cause cell death or contribute to aggravating a Herxheimer reaction
[DOI] [PMC free article] [PubMed] [Google Scholar] 73.Aoyama K