That's not to say CBD-infused creams definitely won't reduce your acute pain or muscle soreness. That's because pretty much all of these creams on the market right now have other scientifically-proven analgesic compounds, like menthol, camphor, and capsaicin which are also found in other, non-CBD topical pain relievers. "Any cream with a heating or cooling sensation desensitizes the nerves to pain by distracting them with stimuli on top," Dr. Colberg explains. Plus you're often massaging the area as you apply, which improves circulation and reduces muscle spasms, he adds.
Cannabidiol has been found to act as an antagonist of GPR55, a G protein-coupled receptor and putative cannabinoid receptor that is expressed in the caudate nucleus and putamen in the brain. It has also been found to act as an inverse agonist of GPR3, GPR6, and GPR12. Although currently classified as orphan receptors, these receptors are most closely related phylogenetically to the cannabinoid receptors. In addition to orphan receptors, CBD has been shown to act as a serotonin 5-HT1A receptor partial agonist, and this action may be involved in its antidepressant, anxiolytic, and neuroprotective effects. It is an allosteric modulator of the μ- and δ-opioid receptors as well. The pharmacological effects of CBD have additionally been attributed to PPARγ agonism and intracellular calcium release.
I think being safe to eat is a moot point. These are topical products. I don’t think anybody is buying to eat them. It’s just a marketing tactic. In regards to the chapsticks, unless you were trying to literally eat the chapstick I think whatever negligible amount may make it past your lips and into your mouth, would certainly not be a health concern from any of these products. What concerns me more is there is zero efficacy with all of these products. Do they just decide over breakfast how much CBD needs to be added for the dosage to work? It’s ridiculous that they are marketing it as safe to eat, and people are buying into that bs and providing no clinical studies or research at all. Just my 2 cents