Founded in 1988, ProHealth has operated in the supplement industry for 36 yearssignificantly longer than most peptide-specific vendors that have emerged recently
SFN is well absorbed in the intestine, with an absolute bioavailability of approximately 82%
As a preventative agent, studies indicate beneficial effects of low doses of sulforaphane (Table 2)
Follow-up shots are even faster
J Hepatol 26 Suppl 2, 111
Where People Buy Peptides: Online "research chemical" suppliers No prescription needed Sold as vials of powder You reconstitute with sterile water Quality unknown Purity unknown 12-58% of supplements are contaminated with unlisted substances Compounding pharmacies (illegally) Some still compound banned peptides Higher quality control (theoretically) Requires prescription Legal risk for pharmacy and doctor Anti-aging/wellness clinics Cash-pay practices May source from gray market Charge $500-2,000+ per month Often stack multiple peptides Black market / gym dealers Sold alongside anabolic steroids Zero quality control Highest contamination risk The Quality Control Problem FDA warnings: Compounded peptides may have impurities Manufacturing varies widely No standardization Cross-contamination possible Real risk: You're injecting a substance of unknown purity, made in facilities with unknown quality control, based on research that doesn't exist, for conditions that haven't been studied
