Doc’s Hemp THCa vape cartridges deliver high-potency, lab-tested concentrate in a convenient, discreet format. Each cart is pre-filled with pure THCa extract — no cutting agents, no artificial additives — paired with strain-specific terpenes for a clean, flavorful draw that preserves the character of the original flower.Every cartridge ships with a scannable Certificate of Analysis (COA) confirming cannabinoid content, terpene profile, and screens for pesticides, heavy metals, and residual solvents. All products are derived from hemp containing less than 0.3% delta-9 THC, compliant with the 2018 Farm Bill.What to look for in a THCa vapePurity: 75%+ THCa potency with no MCT, PG, or VG fillers.Hardware: Ceramic coil and glass tank for a clean, even vapor.Terpenes: Cannabis-derived or strain-matched botanical terpenes — never synthetic.Transparency: Every batch paired with an up-to-date lab report.New to carts? Start with a two- to three-second draw and wait before going again — THCa vapes convert to active delta-9 THC on inhalation and take effect within minutes. See our full selection below or review our Certificates of Analysis.