Sriracha, the chilli sauce with roots in Thailand's coastal city of Si Racha, can add strong flavour for few calories - but nutrition experts say regular users should watch its sugar and salt content. The condiment's earliest forms date to the 1930s in Si Racha. The thicker sauce familiar internationally, often sold in bottles with a green cap and rooster logo, emerged in the 1980s. It has become a common addition to noodle bowls, seafood, eggs, tacos and other dishes, around the world. Actress Florence Pugh has said she carries a miniature bottle in her handbag because "bland food is a tragedy", while the celebrity wing-eating show Hot Ones has helped popularise hot sauces among viewers. Guests have included Louis Theroux, Tony Hawk, Doja Cat, Cardi B and Harry Kane. Low calories, but check the squeeze Sriracha is generally made by fermenting red jalapeno or sun-ripened chillies, then blending them with vinegar, garlic, sugar and preservatives. A teaspoon of Huy Fong Foods sriracha contains five calories and almost no fat. Jessica DeLuise, a US culinary medicine specialist and registered dietitian, described hot sauce as a useful "flavour booster" for people trying to lose weight because it delivers substantial taste for few calories. But Jenna Hope, author of How to Stay Healthy, said brands vary and a small serving of sriracha can contain around 10 per cent of the maximum daily sugar intake. That is close to the level at which a product requires a UK "high sugar" label, and roughly comparable with a serving of Heinz Tomato Ketchup or a McVitie's Rich Tea biscuit. The nozzle bottle can also make it easy to use more than intended. Hope said high-sugar diets can harm teeth and trigger hunger, potentially increasing the risk of overeating. Salt and additives are also concerns A tablespoon of sriracha contains around 13 per cent of the recommended daily sodium intake, according to Hope. That is roughly twice the salt found in an equivalent serving of ketchup. Hope said excess sodium can contribute to high blood pressure, heart disease and strokes by causing the body to retain water, increasing pressure on blood vessels and kidneys. Sriracha may also use preservatives including potassium sorbate and sodium bisulfite to extend shelf life. Hope said chemical preservatives can harm beneficial gut bacteria, while studies have linked frequent consumption of such additives with conditions including heart disease and bowel cancer. Chilli benefits may be limited Capsaicin, the compound in chillies, has been associated with metabolism, inflammation and heart-health benefits. However, Hope said the amount of chilli in a teaspoon of sriracha is below the quantities used in clinical studies, and eating enough sauce for a therapeutic dose would bring excessive sugar and salt. Small amounts are generally safe, but chilli and garlic may cause acid reflux, heartburn or stomach pain for people with irritable bowel syndrome. Hope suggested a homemade dressing of olive oil, lemon juice, fresh chilli and a little salt. Plain sambal oelek can be a zero-sugar alternative, although its salt level may be similarly high. For a lighter spicy mayonnaise-style dip, she suggested non-fat Greek yoghurt, sriracha, lime juice and garlic powder; ordinary sriracha mayonnaise contains about 180 calories and 20g of fat per two tablespoons. Picture courtesy of Daily Mail Join the discussion? 9 August 2026
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