May 30, 2026
Magnesium stearate, silicon dioxide, microcrystalline cellulose and dicalcium phosphate are often labelled "nasties" by clean-supplement marketing. Here's what these excipients actually do, why a tablet can't be made without them, and the truth behind the magnesium stearate scare stories — from a company that presses its own tablets.
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May 30, 2026
The number on a supplement label tells you the dose, but not the form — and the form decides how easily your body can use it. An honest look at methylcobalamin, L-5-MTHF, P-5-P, chelated minerals and MTHFR.
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August 12, 2020
What folate does, where to find it in the diet, and the difference between folic acid and active methylfolate (L-5-MTHF) — including what MTHFR variations really mean.
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December 23, 2019
Why vitamin D is known as the sunshine vitamin, why levels can drop in the UK winter, and the official guidance on supplementing.
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March 15, 2018
What magnesium does, how much you need, and why the form matters — including the difference between elemental content and total weight.
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March 15, 2018
NRV stands for Nutrient Reference Value — the EU/UK guideline daily amount for vitamins and minerals. Here's what it means and a full reference table.
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