Greek yoghurt contains roughly double the protein of regular yoghurt, though Icelandic skyr may provide more protein per serving [1].

This comparison helps consumers distinguish between marketing claims and nutritional data when choosing dairy products for protein-rich diets [1].

Greek yoghurt provides approximately 10 grams of protein per 100 grams [1]. By comparison, regular yoghurt contains about three to four grams per 100 grams [1]. Dr. Sarah Mitchell, a nutritionist with the Australian Nutrition Council, said Greek yoghurt provides about 10 grams of protein per 100 grams, roughly double the amount found in regular yoghurt [1].

However, Greek yoghurt is not the highest-protein option among strained dairy products. Mark Lee, a dietitian, said if protein is the metric, skyr actually contains slightly more protein than Greek yoghurt, around 11 grams per 100 grams [2].

Beyond protein, Greek yoghurt offers other nutritional benefits. It contains approximately 120 milligrams of calcium per 100 grams, which represents about 12% of the Daily Value [1]. It also provides probiotics, typically measuring two to three x 10⁸ CFU per gram [3].

Health writer Arx0nt said both yoghurts are packed with nutrients and good bacteria, but the benefits differ more than most people realise [3]. The differences often stem from the straining process used to create Greek yoghurt, which removes liquid whey to concentrate the protein and create a thicker texture [1].

While Greek yoghurt remains a significant source of nutrition, the data suggests that the "miracle protein" label may be an oversimplification of the dairy landscape [1, 2].

“"Greek yoghurt provides about 10 g of protein per 100 g, roughly double the amount found in regular yoghurt,"”

The nutritional gap between Greek yoghurt and regular yoghurt is substantial, but the competition between Greek yoghurt and skyr is marginal. For the average consumer, Greek yoghurt serves as an effective high-protein tool, but those seeking the absolute maximum protein density per gram may find skyr a more efficient choice.