Within the Sugar‑free Yogurt market, product type constitutes a primary axis of differentiation. The first subtype, dairy‑based yogurt, relies on traditional cow‑milk fermentation and dominates volume because of established supply chains and consumer familiarity. The second subtype, plant‑based yogurt, substitutes dairy with soy, almond, or oat matrices, capturing growth from lactose‑intolerant and vegan segments; its price premium offsets lower scale. A third subtype, probiotic‑enriched yogurt, layers additional live cultures onto either dairy or plant bases, targeting health‑conscious buyers willing to pay for functional claims. Each subtype contributes distinctively to total market size: dairy‑based accounts for roughly 55 % of sales, plant‑based 30 %, and probiotic‑enriched 15 %, reflecting both volume and value dynamics. These proportions shape investment decisions, as manufacturers allocate R&D and marketing resources according to the relative revenue weight of each type. The delineation also informs supply‑chain risk assessments, given differing raw‑material dependencies, and underscores the strategic relevance of the market taxonomy.