Research notes, ingredient deep-dives and honest answers from the NOTFORTOMORROW editorial team.
76 articles
Sometimes yes, and sometimes the opposite. Natural vitamin E reaches the blood at about twice the concentration of the synthetic form. Synthetic folic acid beats food folate. For vitamin C, human studies find no difference at all. The honest answer, nutrient by nutrient, and what EU law actually controls.
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capsulesThree different questions get treated as one. Opening an immediate-release capsule costs you taste masking and a little powder. Crushing a coated tablet destroys the mechanism that decides where the dose lands. Splitting is the one people trust most, and the evidence says the halves are rarely halves.
folateThe jar price is the wrong unit. A look at what really sits inside a supplement price: the chemical form of the nutrient, the dose per serving, purity testing, format and packaging, and why cost per day is the only honest comparison.
EU regulationMagnesium stearate, silicon dioxide, cellulose and the capsule shell each do a specific job. Here is what that job is, what the evidence says about the two most accused ingredients, and how to read the second ingredient list in under a minute.
absorptionThere is no single absorption percentage. The fraction you take up falls as the dose rises, uptake has a ceiling, a depleted body absorbs more than a replete one, and blood is only a proxy for what your tissues received.
EU regulationOne label says 125, another says 5000, and both describe the same amount of vitamin D. Six legal reasons why supplement numbers differ: units, daily portion, elemental weight, legal averages and tolerances, shelf-life overage, and national maximum amounts.
EU regulationYes, some do, but not evenly. Three mechanisms explain almost all of it: minerals binding a drug in the gut, plant extracts speeding up drug clearance, and nutrients working against the drug. Timing fixes one of them. And why your supplement label is never legally required to warn you.
EU lawA country name on a supplement is a customs statement about the last processing step, not a quality mark. What EU law really requires of every supplement factory, why “EU certified” does not exist, and the five things you can check yourself.
educationIn EU law a food supplement is a food and a medicine is defined twice over: by what it claims and by what it measurably does. Here is where the line falls, why the same substance can be food in one country and a prescription in another, and what that means for every sentence on a supplement label.
certificate of analysisAlmost every brand says its products are lab tested. A certificate of analysis is the document behind that phrase. Here are the eight lines that decide whether it means anything, what the EU already requires, and what testing really catches.
blood testsFerritin read alongside an inflammation marker is the one blood test that reliably answers a supplement question. Here is what each popular marker measures, where it fails, and which tests to skip.
creatineHeat and light matter, but humidity is the ingredient killer, and it works at normal room temperature. What actually degrades, which room is worst, why minerals barely change, and what a best before date legally guarantees.
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