Practical Tips

Excess iron: why EFSA did not establish an upper limit for it, how free iron damages cells, and which groups should not supplement without testing.

Iodine and Lugol's solution: intake norms, European and American upper limits, risks of excess with the thyroid, and what the 2017 study showed about Poland.

The three most common ingredients in muscle pain ointments under the microscope of research. Mechanisms, duration of action, and what the Cochrane review says about the strength of evidence for each of them.

HHCH is hexahydrocannabihexol, a homolog of HHC with a six-carbon chain. Check how it is produced, what is unknown about it, and what Polish law says.

The 0.3% THC threshold comes from a taxonomic work from 1976, not from clinical studies. Check how it made its way into law and how it is calculated today in Poland.

A study in humans did not show higher CBD exposure from nanoemulsion than from oil. What does nanoemulsion really change and where do the bioavailability percentages come from.

Distillate or CBD isolate? How they are made, what studies say about the entourage effect, which one risks a positive THC test, and what the 0.3% threshold really refers to.

How many CBD products contain lead, cadmium, or arsenic, what limits apply in the EU, and what a certificate of analysis will not tell you. Numbers from studies, with the provided sample.

What did large trials on multivitamins show: a meta-analysis of 91,074 people, a cohort of 390,124 people, and one trial with a positive result. Upper limits from EFSA and interactions.

Convection, conduction, and hybrid in a vaporizer: what are the differences, how do they heat, what temperature makes sense, and what measurements have shown comparing vapor to smoke.