That study measured photoprotection and quality of life in a clinical population, not cosmetic tanning, so it speaks to long-term tolerability rather than to how dark recreational users get
reference the local coverage article language in your note
Results indicated that only the 100 g/mL concentration demonstrated remarkable cytotoxic effects, with maximum activity in MCF-7 cells after 72 h and in MDA-MB-231 cells at 24, 48, and 72 h (enol and Tulay 2021)
The Precision Peptide Genetic Test reveals predispositions in established peptide pathways (GLP1R, GIPR, FTO, MC4R) relevant to approved medications
BPC-157 Research Key Facts Derived from: Human gastric juice protein (15 amino acids)
A novel rodent model of autism: intraventricular infusions of propionic acid increase locomotor activity and induce neuroinflammation and oxidative stress in discrete regions of adult rat brain