Frozen yogurt, often perceived as a lighter indulgence, is experiencing a resurgence in popularity, fueled by social media trends and new chain openings. However, experts are questioning whether the "fro-yo" phenomenon truly offers a healthier alternative to traditional ice cream, pointing to variations in ingredients, added sugars, and processing.
Once a 1970s invention aimed at offering a lower-calorie, lower-fat version of ice cream, frozen yogurt has become a summer staple. Viral posts on platforms like Instagram and TikTok showcase elaborate creations from chains such as MYKA and Yo-chi, with some locations like Go Greek Yoghurt drawing significant queues for tubs priced as high as £12.
Unlike the candy-laden frozen yogurt trends of the mid-2000s, the current wave emphasizes a more sophisticated approach. Many establishments now feature thick, protein-rich Greek yogurt bases, complemented by premium toppings like Sicilian pistachios, single-origin honey, and edible flowers. Despite these refined offerings, the fundamental question remains: are these photogenic desserts genuinely healthier than ice cream or gelato?
Examining the Ingredients
At its core, frozen yogurt is simply frozen yogurt. However, the specific formulation can vary significantly between brands and shops. While yogurt is defined by milk fermented with live bacterial cultures, which contribute to its tanginess and potential gut benefits, there is no government-mandated minimum percentage of actual yogurt required in frozen yogurt products, unlike dairy ice cream.
Some Greek yogurts, for example, list only pasteurized milk, cream, and bacterial cultures. A 6oz serving of Fage Total 5% Greek yogurt contains approximately 160 calories, 9g of fat, 5g of carbohydrates, and 15g of protein. In contrast, a similar serving of Pinkberry Original includes nonfat milk, bacterial cultures, sugar, fructose, and dextrose, alongside other ingredients, resulting in about 180 calories, 38g of carbohydrates (largely from added sugar), and only 7g of protein.
Newer artisanal brands, such as MYKA, state they use Greek yogurt, pasteurized milk, and goat's kefir without artificial additives. However, they often do not provide full ingredient lists or nutritional information, making it difficult for consumers to assess their contents. These nutritional figures also do not account for toppings.
Weight Management and Calorie Concerns
While studies suggest that regular yogurt consumption is associated with lower body weight, the same cannot be automatically assumed for frozen yogurt. Nutritionist Rob Hobson notes that when individuals perceive a food as healthier, they may consume larger portions or feel justified in consuming more overall. The calorie advantage frozen yogurt might have over ice cream can quickly be negated by oversized servings and indulgent toppings.
Hobson cautions that additions like cookie butter, chocolate sauce, sweetened granola, and candy can significantly increase the calorie, sugar, and saturated fat content. Even seemingly wholesome toppings, such as pistachio cream, are often more akin to sugary dessert spreads than simple blended nuts, making them calorie-dense.
For those aiming for a balanced intake, Hobson recommends opting for fresh fruit, chopped nuts, or seeds, or combining a less healthy topping with healthier alternatives to boost nutritional value and reduce sugar load.
Frozen Yogurt vs. Ice Cream
Comparing frozen yogurt to ice cream requires considering specific products. For instance, Häagen-Dazs Vanilla, a popular ice cream, contains cream, skim milk, cane sugar, egg yolks, and vanilla extract. A 6oz serving can amount to approximately 420 calories, 28g of fat, 34g carbohydrate (with about 24g of added sugar), and 8g of protein.
Compared to a plain frozen yogurt, this ice cream is substantially higher in calories and fat, primarily due to its cream and egg yolk base. Yogurt itself offers benefits over cream, being a good source of protein, calcium, and vitamins, and generally lower in fat. However, many frozen yogurt bases rely heavily on added sugars for flavor. When combined with typical toppings, the nutritional difference between frozen yogurt and ice cream may become negligible.
IMAGE4: Many frozen yoghurt bases rely on large amounts of added sugars for flavor - and that's before toppings are added. Pictured, actress Blake Lively enjoying a Go Greek froyo earlier this year
Processing and Gut Health Considerations
Commercial frozen yogurts often contain stabilizers, emulsifiers, and texturizers to achieve their characteristic smooth consistency. Pinkberry's Cookie Butter Frozen Yogurt, for example, lists over 30 ingredients, including guar gum, maltodextrin, and carrageenan, alongside added sugars and vegetable oils. While these additives are regulator-approved and enhance texture, some, like carrageenan, have raised concerns regarding their potential impact on gut health. Diets high in ultra-processed foods have been linked to various health issues, though separating the effects of individual additives can be challenging.
Hobson explains that ingredients like guar gum and carrageenan are used to improve texture and prevent ice crystal formation. However, he emphasizes that a long ingredient list alone does not make a product unhealthy; overall dietary patterns are more critical.
The gut-friendly reputation of yogurt stems from its live bacterial cultures. Whether frozen yogurt retains these benefits is less certain. While freezing doesn't necessarily kill all beneficial bacteria, the manufacturing, storage, and ingredients used can reduce their viability by the time the product is consumed. Some products may also use heat-treated yogurt powders without added live cultures. Unless a product explicitly states it contains live and active cultures, its probiotic value is questionable, especially if it is also high in added sugar.
IMAGE3: Yoghurt is a gut-friendly food, thanks to the live bacteria it contains. Whether frozen yoghurt offers the same benefits is less clear
Making Healthier Choices
For those seeking a healthier frozen treat, making it at home is an option. Hobson suggests blending plain Greek yogurt with frozen berries or mango, adding a small amount of honey or maple syrup if needed, and topping with fresh fruit, homemade compote, or chopped nuts.
When purchasing supermarket frozen yogurts, consumers are advised to look beyond marketing claims. A higher protein content can be a positive indicator, particularly if it originates from Greek yogurt. However, comparing products for added sugar content is crucial, as this can vary significantly. Ideally, yogurt should be a primary ingredient. Portion control remains key, with a modest serving of yogurt topped with fruit and nuts being nutritionally distinct from a large tub laden with syrups and confectionery.