The theoretical mechanism is that the growth factors in PRP may promote angiogenesis (new blood vessels), nerve regeneration, reduction of fibrosis, improved tissue elasticity and thus improved erectile function, penile girth, sensitivity and potentially length
[DOI] [PubMed] [Google Scholar] 149.De Mattia G., Bravi M.C., Laurenti O., Cassone-Faldetta M., Proietti A., De Luca O., Armiento A., Ferri C
Vegans may require supplementation as vegan-friendly D2 supplements are less effective than D3 supplements from animal sources
This keeps the article useful for education while staying aligned with research-use positioning
The two are commonly referenced in literature with regards to tissue and cell research, both are easy to come by in terms of synthesized form for in vitro experiments, and both are often compared side-by-side with regards to structure and mechanism
Sensitivity analysis revealed that no single study likely affected the pooled results