Core Extractions 1000 MG Full spectrum CBD Oil is made from 100 % Organic Full Spectrum CBD. Cbd oil syringes are a popular way to ingest CBD because of their ease of use.It is simply taken orally, usually under the tongue, where it can sit and be absorbed into the bloodstream quickest. The syringe is clearly marked so you can easily measure dosages. CBD syringes are also great for adding CBD oil to food. By ingesting the oil orally, the affect tends to last longer that smoking it.