Mould in Coffee? 9 Reasons People Are Switching to Clean Coffee

1. The journey from farm to roaster gives mould its chance

After coffee is picked, it has to dry. If rain slows the drying, mould can grow on the beans and make toxins. The beans can get damp again later, in warehouses and shipping containers, which gives mould another chance. That's why we follow strict protocols to guard against it. We buy speciality-grade beans. We keep them in climate-controlled storage until we roast. An independent lab tested a sample of ours for mould and mould toxins, and every result passed.

2. Worldwide, over half the coffee tested carried a mould toxin you can't see or taste

Two global reviews found ochratoxin A in 53% and 58% of samples. Showing up isn't the same as breaking the UK limit. The World Health Organization says its most notable effect, seen in animal studies, is kidney damage. In those studies, as the kidneys worked to clear the toxin from the blood, it built up in the cells doing that job and harmed them. Roasters don't have to check for it, so we had ours measured.

3. Cheaper beans carry higher mould risk. We pay 25% more than regular coffee for the world's best

International food-safety guidance says the black and sour defects carry the highest levels of this toxin, and lower-priced coffee is allowed more of them. Ours sits at the top of the mountain: 100% Arabica, speciality grade, grown high up where the cherries ripen slowly, from growers we pay a premium to work with.

4. Chemical pesticides are potentially toxic. How much is in your coffee?

Large coffee estates spray their crops to mass-produce, and chemical residues can stay on the beans. The World Health Organization warns that pesticides can affect short- and long-term health. We screened ours for 600+ of them, and every result came back within its legal limit.

5. Heavy metals build up in the body over time, so we checked ours

The WHO says heavy metals are stored in the body and build up over time. Your wellbeing comes first, so we tested ours for lead, cadmium and arsenic. For all three, our sample sat beneath the smallest amount the lab could find.

6. Coffee you can trust: an external lab tested for purity. The report is public

You can't know what a coffee carries just by looking at it. So we sent ours off to an independent lab to test for mould, mould toxins, heavy metals and 600+ pesticides. We publish our results online to back our claims. That's our purity promise.

7. Clean on paper, and clean in the cup

Jordan, who brews it at home on a coffee machine, calls it "easily the best smelling and tasting coffee we've found." Our three best-sellers run from medium to dark: Stability, Rotate Espresso and Darkfire. Each is roasted in small batches in London and date-stamped on the bag, so you know how fresh it is.

8. How it feels to drink, in our customers' own words

"I know there was no going back to any other brands! It just feels clean ... and tastes great," wrote Marc Tingle on Trustpilot. He tried us because of our testing, then bought a grinder so he could have it freshly ground every day. That's the morning cup we roast for.

9. New customer offer → up to £73 in free gifts with your bundle

The bigger the bags you choose, the more gifts you get and the less each cup costs. UK shipping is free too. Drink it for up to 60 days. If it isn't for you, you still get a full refund.

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