B vitamins without marketing: functions of eight vitamins, why B12 causes problems, how much metformin takes away, and where EFSA set the limit for vitamin B6.

It is not. Privately without a criminal case, publicly a fine from 601 to 30,000 euros. How cannabis social clubs operate and what the Constitutional Tribunal ruled.

MCT or olive oil as a carrier for CBD oil? What was really measured, how much a fatty meal contributes, and why the advantage of MCT is not confirmed in humans.

How many cases of illness and death there were, what the study of bronchoalveolar lavage fluid showed, and why the CDC speaks of a strong association rather than a proven cause.

Ranking of 8 herbs and supplements for the urinary tract according to the strength of evidence: cranberry, D-mannose, horsetail, magnesium. What studies have shown and what is merely tradition.

Dietary supplements do not undergo clinical trials. Check what must be on the label, how to read the NRV percentage and forms of ingredients, and what the GIS notification means.

Shatter, wax, budder, and crumble are terms from producer practices, not from science. Check what was found in 57 tested concentrates and what their status is in Poland.

Live resin and live rosin: how they are made, how they really differ, what studies on terpenes confirm, and why they are not legally sold in Poland.

HHC-O has been a controlled substance in Poland since 2023, and HHC-P was added to the list in 2025. Check how they differ and what studies say about them.

H4CBD is tetrahydrocannabidiol, a hydrogenated CBD analog known since 1940. Check how it is produced, whether it is psychoactive, and what Polish law says about it.

CBDa, CBGa, and THCa: how they differ from CBD, CBG, and THC, what studies have shown, how Polish law counts them, and why the analysis certificate may be understated.

Plants, your own body, and laboratories produce cannabinoids with completely different safety profiles. A comparative table, mechanisms, and the legal status in Poland.