Holly Hill Health Foods CBD is manufactured by Reliance Private Label in partnership with a major hemp derived CBD company from Colorado, USA. All of our CBD Oil formulas are third party tested for THC levels below the legal limit of 0.3% and heavy metal toxicity levels. Find our current Assays Here. Our formulas are all wide spectrum which includes many of the terpenes needed for a desirable “Entourage Effect”. Our profiles compare to a couple of national brands but are priced at a more affordable price point.