@SlingShot the thing about cbd is that it degrades much faster than thc so anything store bought check the date. If it isn’t within 30 days of the manufacturing date it isn’t close to as potent as what it says on the label and they are often mislabeled to begin with. Most studies show that the estimated dosage in many of the consumer cbd products is grossly overestimated and nowhere near the amounts claimed. So don’t discount cbd because you bought a bad batch from the store. The FDA is working on creating stricter regulations so people aren’t being mislead by companies trying to take advantage of people looking for therapeutic relief.
Another thing to look at is how people metabolize cbd and the delivery method. Smoking cbd is more effective as more cbd stays viable vs eating it but the effects don’t last as long. Edibles on the other hand have longer lasting effects but they need to be made with a higher amount or cbd to account for the 30%+ that is lost in the stomach and during first pass liver metabolism. This can be reduced by using sunflower lecithin in making home made cbd oils as sunflower lecithin increases bioavailability of cannabinoids by protecting them and keeping more viable for first pass liver metabolism and also by aiding the liver in processing the cannabinoids so less are wasted by the body.
Another big thing to take into account is the health of your liver. If your liver has trouble processing fats or other things or if you have liver damage it can effect the way you metabolize cbd and cbd can potentially cause more liver damage in high doses if your liver is already unhealthy or if excessive amounts are taken.
With all this being said cbd can be an extremely effective medicine for combating neuropathic pain. Your best bet is to make home made tinctures or edibles so the cbd is “fresh” and more bioavailable cannabinoids remain.
Based on what you said about your injuries though it sounds like you have combination nociceptive and neuropathic pain. Cbd will help with the neuropathic pain and inflammation but the nociceptive pain will require some thc as well. The proper terpene profile will also make a huge difference.
I’d personally do a 1-1 or a 2-1 thc-cbd ratio to treat your nociceptive and neuropathic pain from injuries. I’d also look into cultivars high in caryophylene, myrcene, linalool, and other pain/inflammation busting terpenes that work with thc and cbd.