Whey Proteins  Manufacturers, Traders, Suppliers

Fleksartis, LLC — a company with many years of experience in the food industry, producing the Kruglie Sutki brand. We specialize in manufacturing high-quality healthy products for those who value natural ingredients and care about their health. Our mission is to create nutritious, safe, and convenient products for everyday consumption.
Product philosophy
We use only 100% natural raw materials, preserving their natural nutritional value. All products are certified and produced in Russia from quality ingredients. Special attention is paid to recipes and production processes: formulations are constantly improved to achieve an optimal balance of taste and benefit.
Product advantages
Low calorie content — suitable for weight management and low-calorie diets
Sugar-free — ideal for those limiting sugar intake or monitoring blood glucose levels
Suitable for vegetarians — the range takes plant-based nutritional needs into account
Suitable for athletes — products provide quality replenishment of energy and essential nutrients
Strict quality control — continuous monitoring of raw materials and production stages
Quality assurance
All products comply with Russian standards and undergo mandatory certification. We regularly conduct laboratory and technological checks at every stage — from raw material selection to packaging — to ensure product safety and usefulness for the end consumer.

Target audience
Kruglie Sutki is aimed at people seeking a complete and balanced diet: active individuals, athletes, vegetarians, and anyone monitoring calorie intake and caring about their health.

Fleksartis, LLC under the Kruglie Sutki brand offers time-tested products that combine naturalness, low calorie content, and high quality standards. We continue to refine recipes and production technologies to provide consumers with reliable solutions on the path to healthy eating.

SRS Nutrition Express serves as a comprehensive sports nutrition ingredients provider, energizing brands and manufacturers with premium, reliable ingredients.
We achieve this by harnessing the strength of our transparent and meticulously audited supply ecosystem. Your trusted source for excellence.
For 5 years, we’ve been empowering brands and manufacturers to drive the future of sports nutrition.
With our Supply Center of Excellence, we make sure supplement brands deliver better and safer products to today’s customers.
We’re proud of our journey so far, but always focused on what’s next. Alongside our clients, we’re pushing boundaries, setting trends, and unleashing the full potential of a healthier supply chain.