Haven't found much info on MCT oil as a diluent, so started new thread. Interested in general and safety info as well as specific applications and experience. Several brands of vape pens use MCT oil instead of PEG/PG. The same solution may also work as a sublingual tincture if decarbed. May also be possible to extract directly into MCT oil. First experiment is (non-decarbed) e-juice. QWET of freeze-dried fresh flowers (low temp evap so likely terpene-rich.) MCT oil is pure C8 MCTs, solvent-free extraction. Some out-of-focus images: 1 g QWET oil plus 2.5 ml MCT oil immediately after mixing. Solution is slightly cloudy (not just blurry image). Loaded onto 1.5 mm SS 316L coil (0.21 Ohms) after a few hits. Overall experience compares favorably to ceramic donut atomizer - excellent flavor, little vapor production. Background from Wikipedia: Medium-chain triglycerides (MCTs) are triglycerides whose fatty acids have an aliphatic tail of 6–12 carbon atoms. The fatty acids found in MCTs are called medium-chain fatty acids (MCFAs). Like all triglycerides, MCTs are composed of a glycerol backbone and three fatty acids. In the case of MCTs, 2 or 3 of the fatty acid chains attached to glycerol are of medium length. Rich sources for commercial extraction of beneficial MCTs include palm kernel oil and coconut oil. Some studies have shown that MCTs can help in the process of excess calorie burning, thus weight loss. MCTs are also seen as promoting fat oxidation and reduced food intake. Interest in MCTs has been expressed by endurance athletes and the bodybuilding community. While health benefits from MCTs seem to occur, a link to improved exercise performance is weak. A number of studies back the use of MCT oil as a weight loss supplement, but these claims are not without conflict, as about an equal number found inconclusive results. MCTs passively diffuse from the GI tract to the portal system (longer fatty acids are absorbed into the lymphatic system) without requirement for modification like long-chain fatty acids or very-long-chain fatty acids. May use remaining MCT oil to directly extract decarbed trim or QWET filtrates for use in edibles or capsules. Other ideas?