Research notes, ingredient deep-dives and honest answers from the NOTFORTOMORROW editorial team.
74 articles
The 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.
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bioavailabilityIn EU law only three things on a supplement label are regulated: the exact source name, the amount and %NRV, and any authorised claim. Bioactive, chelated, liposomal, pharmaceutical grade and natural are not defined anywhere. Here is what each word is worth, and a 60-second test for any label.
EU intake dataFor most nutrients a mixed European diet is enough. Five gaps are real and predictable: vitamin D, B12 on a plant based diet, iodine, iron with monthly blood loss, and EPA plus DHA without fish.
absorptionFat-soluble vitamins (D, K, A, E) need a meal with fat. Water-soluble ones are flexible. Iron absorbs best fasting but is the least tolerated, and coffee, tea and a large calcium dose block it. The evidence-based answer per nutrient, and the folklore removed.
absorptionCaffeine acts in under an hour. Creatine needs about four weeks. Vitamin D takes two to three months, and iron stores take months longer than a blood count suggests. A realistic, sourced timetable for judging any supplement, and an honest account of what day-one effects usually are.
b vitaminsBioavailability is not a label claim. Learn how the microbiome, stomach acid, and vitamin form together determine whether your supplements actually reach your bloodstream, and how to design a protocol that respects gut biology.
EFSA%NRV is the percentage of one fixed EU reference figure that a daily portion delivers. Here is where those numbers come from, why 100% is a benchmark and not a personal target, why some ingredients show no percentage at all, and how to compare two labels honestly.
hardnessTwo glasses of water can differ by a factor of fifty in dissolved minerals. What hardness and TDS really mean, why mineral profile drives taste, and how much calcium and magnesium your water actually supplies.
drinking waterEuropean tap water is tested constantly up to the property boundary, and not at all beyond it. What the compliance figures certify, what the parameter list leaves out, and how to get evidence about your own tap instead of trusting an average.
creatineA sensible supplement stack is small, deliberate and built around real gaps. Three rules, the evidence behind them, and a worked example with exact doses.
bone healthIn northern Europe the skin makes no vitamin D at all between roughly October and March. Here is what changes between summer and winter, what EFSA, the NHS and the DGE actually advise, and how to read the numbers on a label.
creatineCreatine is filed under sports nutrition, but the strongest non athletic evidence sits with adults over 55 who train and with people who eat little or no meat and fish. An honest read of the research, including what the EU actually allows anyone to claim.
B vitaminsCaffeine sharpens alertness but can bring jitters, and L-theanine keeps you calm. Here is why the pairing works better together, what the research shows, and the dose that makes sense.
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