Targeting niche groups such as ectomorphs and those with poor appetite after training, Saiba launched a mass gainer with a 3:1 carbohydrate-to-protein ratio, containing 50g of carbohydrates and 17g of protein per serving, plus 1g of HMB and compound probiotics. Its core advantage lies in solving the problems of difficulty in weight gain and digestive discomfort for lean people. Case data shows that ectomorphs who drink 2 servings a day can gain 2.1 kg in 30 days and improve their bench press performance by 10 kg; when used as a meal replacement, users’ bloating sensation is reduced by 25%. Relying on targeted formulas and a customer-friendly positioning, this product accurately filled the niche demand gap in the mass gainer market. Its design of adding probiotics to improve intestinal tolerance also meets fitness enthusiasts’ demand for product digestibility.