As we wrote in a recent blog, Researchers know that HHC is safe to make and consume. We know that HHC is safe to make and consume. We dont have as much information about it as we do Delta-9 THC and CBD. However, we do know that much like those two cannabinoids, HHC has no known harsh side effects. Much like Delta-8 THC and cannabis, HHC should always be taken in moderation, and users should always know their limits, but it is otherwise safe to use.