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Vitamins and minerals take part in thousands of biochemical reactions in the body. Vitamins are organic compounds and are traditionally divided into w...

Protein is made of amino acids, of which nine are classed as essential because the body cannot synthesize them. Proteins build and repair tissues and ...

Omega 3 and omega 6 fatty acids are two families of polyunsaturated fats, and each includes an essential fatty acid that humans cannot make: alpha lin...

Dietary supplements are a large global industry, and the strength of evidence behind individual products varies greatly. Researchers distinguish betwe...

The human large intestine hosts a dense community of bacteria and other microorganisms known as the gut microbiota. These microbes ferment dietary fib...

Many popular beliefs about food have weak scientific support. The idea that eating carbohydrates in the evening causes weight gain is not supported by...