Background “Light cannabis” is a product legally sold in Europe with Δ9-tetrahydrocannabinol (THC) concentration lower than 0.2% and variable cannabidiol (CBD) content. We studied THC and CBD excretion profiles in blood, oral fluid (OF) and urine after smoking one or four light cannabis cigarettes. Methods Blood, OF and urine samples were obtained from six healthy light cannabis consumers after smoking one 1 g cigarette containing 0.16% THC and 5.8% CBD and from six others after smoking four 1 g cigarettes within 4 h. Sample collection began 0.5 and 4.5 h after smoking one or four cigarettes, respectively. Cannabinoid concentrations were quantified by gas chromatography-mass spectrometry (GC-MS). Results At the first collection, the highest THC and CBD concentrations occurred in blood (THC 7.0-10.8 ng/mL; CBD 30.2-56.1 ng/mL) and OF (THC 5.1-15.5 ng/mL; CBD 14.2-28.1 ng/mL); similar results occurred 0.5 h after the last of four cigarettes in blood (THC 14.1-18.2 ng/mL, and CBD 25.6-45.4 ng/mL) and OF (THC 11.2-24.3 ng/mL; CBD 14.4-37.0 ng/mL). The mean OF to blood ratio ranged from 0.6 to 1.2 after one and 0.6 to 1.9 after four light cannabis cigarettes. THC/CBD ratios in blood and OF were never greater than 2. Urinary 11-nor-9-carboxy-THC concentrations peaked 8 h after one and four cigarettes. Conclusions OF was a valuable alternative to blood in monitoring consumption of light cannabis. Blood and OF THC/CBD concentration ratios, never exceeded 2, possibly providing a useful biomarker to identify light cannabis vs illegal higher THC cannabis use, where THC/CBD ratios are generally greater than 10.
Keywords: blood; light cannabis; oral fluid; urine; variable cannabidiol (CBD); Δ9-tetrahydrocannabinol (THC).
Jim – August 9, 2019
Susie – August 8, 2019
Do not compare this product to products made from CBD isolate. It is like comparing apples and oranges. Isolated CBD products do not contain the additional cannabinoids, terpenes, flavonoids and other components of the cannabis plant that allow for the full entourage effect and benefits.
G – January 20, 2017
CBD Whole Flower Fluid Results
Sleep (sleep has been going better than normal while using the whole flower fluid)
Brent Allen – March 15, 2019
Ha! You weren’t kidding, were you. ?
Synergy of THC and CBD
I am feeling much better since introducing the CBD fluid into my regimen, 4 drops daily. I still have some aches and pains. But I’m better than where I was.
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