Why lentils and beans could replace animal proteins in your diet

Legumes, such as beans and lentils, are gaining attention as a sustainable and nutritious alternative to animal-based proteins. Packed with fibre, these plant-based powerhouses also boast a far smaller carbon footprint than meat or dairy. Now, experts are pushing for policies and education to make them a bigger part of everyday diets.

Lentils, beans, and other pulses offer more protein per gram than some lean meats. A single serving of lentils, for example, contains more protein than an equivalent portion of beef. Beyond protein, their high fibre content supports digestion, though some people experience discomfort from indigestible carbohydrates. Soaking beans before cooking helps reduce this issue.

To unlock their full nutritional potential, legumes should be combined with other foods. This pairing ensures the body gets all essential amino acids needed for protein synthesis. Proper preparation is also key: boiling them for at least 15 minutes at 100°C destroys phasin, a natural toxin found in raw legumes. Adding spices like cumin, turmeric, or fennel can further aid digestion while improving flavour.

The Consumer Advice Centre of Lower Saxony has called for greater promotion of legumes through practical initiatives. Workshops, such as 'Hülsenfrüchte in der Kindertagespflege' (Legumes in Childcare), teach carers how to include them in children's meals. The organisation also supports cutting VAT on legumes, fresh fruit, and vegetables from 7% to 0% to lower costs for healthier food choices. Additionally, it argues for equal tax rates on plant-based milk and meat substitutes compared to their animal-based equivalents. No direct political or economic lobbying by the group has been recorded in the past five years.

Legumes provide a climate-friendly, protein-rich option with clear health benefits. Their lower cost and versatility could make them a staple in more kitchens—especially if policies like VAT reductions move forward. With proper cooking and smart food pairings, they offer a simple way to cut emissions without sacrificing nutrition.