CalyFx products are formulated from the highest quality hemp oil precisely extracted to meet our product specifications, combined with 100% plant-derived terpenes, engineered for strain-specific effects (Fx) all carried out in our environmentally controlled laboratory. EFFECT BASED . Our products are completely free of harmful additives such as VG, PG, and vitamin-E acetate. CalyFx is proud to continuously develop products that are 100% plant-based, heavy-metal free, and lead-free.