10 Chocolate Brands Making You Sick vs 5 That Are Actually Worth Buying
British consumers spend over £2 billion a year on chocolate. Much of that money goes to companies that have replaced quality ingredients with cheaper alternatives, ignored child labour in their supply chains, and sold products containing concerning levels of heavy metals — all while using comforting words like “premium” and “indulgent” on the packaging.
Here’s a clear breakdown of the brands worth avoiding and the ones that are genuinely better.

The Brands to Avoid
These ten brands have faced criticism over ingredient quality, sourcing transparency, heavy metal contamination, or misleading marketing.
Galaxy Galaxy’s marketing focuses heavily on comfort and self-reward. However, independent testing has found cadmium levels approaching regulatory concern thresholds in some products. The emotional branding is effective, but the actual quality of the chocolate is average at best.
Cadbury Dairy Milk Once owned by a Quaker family with strong ethical principles, Cadbury was taken over by Kraft (now Mondelez) in 2010. Production was moved overseas, cocoa butter was reduced, and cheaper vegetable fats were introduced. Post-acquisition testing has also shown elevated levels of lead and cadmium in some Dairy Milk products.
Kit Kat Nestlé has faced multiple lawsuits over child labour in its cocoa supply chain, particularly in Ivory Coast. The company has repeatedly made the same public commitments for over 20 years with little structural change. Consumer testing has also found lead and cadmium in some Nestlé chocolate products.
Maltesers The light, “easy to share” format encourages mindless snacking. The product uses palm oil and delivers a fast sugar spike with little transparency about cocoa sourcing or heavy metal testing.
Thorntons Bought by Ferrero in 2015, Thorntons still uses emotional “handcrafted” marketing. However, manufacturing standards have declined, and the brand has faced criticism over cocoa sourcing. Testing has found cadmium in some products.
Celebrations A Mars product. The miniature format removes natural stopping points, encouraging overconsumption. It carries the same sourcing and contamination risks found across the wider Mars range.
Green & Blacks Once a genuinely ethical brand with Fair Trade and organic certification, it was acquired by Mondelez. The independent Fair Trade certification was dropped in 2017 and replaced with an internal scheme. 2022 testing found elevated heavy metals in some bars, particularly the higher cocoa percentage ones that health-conscious consumers tend to buy.
Hotel Chocolat The brand creates a strong premium experience in-store. However, most of its cocoa is not independently verified to a higher standard than mid-range competitors, and there is no published third-party heavy metal testing across the range.
Lindt Lindor Particularly concerning for people buying dark chocolate for health reasons. 2022 testing found the 70% and 85% bars contained very high levels of cadmium and lead. A 2023 class action lawsuit accused Lindt of misleading consumers about the health benefits of its dark chocolate.
Ferrero Rocher Despite its luxury positioning and gold packaging, Ferrero has one of the least transparent supply chains among major chocolate companies. 2023 testing found problematic levels of nickel in some products. It charges the highest prices on this list while offering the least transparency.
The Brands Worth Buying
These five brands stand out for better practices around sourcing, transparency, and ingredient quality.
Divine Chocolate 44% owned by a Ghanaian farmer cooperative. Farmers have voting rights and receive profit dividends. It is Fair Trade certified with independently verified low heavy metal levels. A genuinely ethical and accessible option.
Montezuma’s Still independent and founded on strong ethical principles. Organic and Fair Trade certified with clear cocoa origin disclosure. No concerning heavy metal test results and simple, high-quality ingredient lists.
Seed and Bean One of the most transparent brands available. Heavy metal test results are printed directly on the packaging. Organic, Fair Trade, and single-origin focused with excellent traceability.
Ombar Specialises in minimally processed dark chocolate. Uses low-temperature processing to preserve natural compounds and coconut sugar instead of refined cane sugar. Organic, Fair Trade, and publishes third-party testing.
Rococo Chocolates One of Britain’s original craft chocolate makers. Uses single-origin cacao from verified farms, pays above Fair Trade prices, and maintains full supply chain transparency. No heavy metal concerns in testing and no palm oil or artificial ingredients.