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Resistant Starch RS2 — Product Summary
Resistant Starch RS2 (High Amylose Corn Resistant Starch) is a functional carbohydrate that resists enzymatic digestion in the small intestine and reaches the colon intact, where it is fermented by beneficial gut microbiota into short-chain fatty acids.
RS2 delivers approximately 2.0–2.5 kcal/g — significantly lower than conventional starches (4.0 kcal/g) — while promoting satiety through the release of hormones such as PYY and GLP-1, making it ideal for caloric deficit and body recomposition strategies.
Its minimal glycemic impact enhances insulin sensitivity and supports stable blood glucose, benefiting both fat-loss and lean-muscle-building phases. As a potent prebiotic, it also strengthens gut barrier function and reduces systemic inflammation, aiding athletic recovery.
Unlike rapidly digested maltodextrins that cause blood sugar spikes, RS2 provides sustained energy release, positioning it as a preferred ingredient in low-carb, ketogenic, and clean-label sports nutrition formulations — and a go-to choice among fitness-focused consumers for strategic carbohydrate management and long-term body shaping.
Specifications of Resistant Starch RS2 (High Amylose) COA:
Items | Specifications | Results |
Appearance(25℃) | White or slightly yellowish powder with a lustrous appearance. | Conforms |
Odor | Characteristic odor of corn starch; free from extraneous odor. | Conforms |
Water % | ≤14.0 | 13.4 |
Ash(on a dry basis) % | ≤0.30 | 0.14 |
Spots (pcs/cm2) | ≤1.0 | 0.4 |
Fineness[150μm(100mesh) Sieve Pass Rate (Mass Score)]% | ≥98.5 | 99.7 |
Whiteness [Blue Light Reflectance at 457 nm] % | ≥85 | 87 |
Sulfur Dioxide mg/kg | ≤30 | 2 |
Acidity (on dry basis) /°T | ≤5 | 3 |
Lead mg/Kg | ≤0.15 | ＜0.02 |
Protein (on dry basis)% | ≤1.50 | 1.0 |
Fat (on dry basis) % | ≤1.50 | 0.4 |
Total Starch % of which Amylose% | ≥80.00 ≥68.00 | 85.06 70.2 |
Total Dietary Fiber % | ≥50.00 | 61.95 |
Total Plate Count CFU/g | 3500 | Conform |
E.coli CFU/g | ＜10 | |
Mold and Yeast CFU/g | 30 | Conform |
Conclusion | The product conforms to the above specifications. | |
Product Name:Resistant Starch RS2
CAS:N/A
MF:N/A
Melting point :N/A
form:powder
color:White
Uses:
Resistant Starch RS2 (High Amylose Corn Resistant Starch)
Resistant Starch RS2 is a naturally occurring type of resistant starch derived from high-amylose corn, distinguished by its unique granular structure that resists enzymatic digestion in the small intestine and arrives intact in the colon, where it undergoes fermentation by beneficial gut microbiota to produce short-chain fatty acids (SCFAs) such as butyrate, propionate, and acetate.
Functional Benefits in Sports Nutrition & Body Shaping
Enhanced Satiety & Appetite Control: RS2 slows gastric emptying and stimulates the release of satiety hormones (e.g., PYY and GLP-1), helping athletes and fitness enthusiasts maintain caloric deficit without excessive hunger — a critical factor in sustainable fat loss and body recomposition.
Improved Insulin Sensitivity: Unlike rapidly digestible carbohydrates, RS2 elicits a minimal glycemic response. Regular consumption has been shown to enhance insulin sensitivity, supporting stable blood glucose levels and reducing fat storage signals — particularly advantageous for lean-muscle-building phases and metabolic optimization.
Gut Microbiome Support: As a potent prebiotic, RS2 selectively feeds beneficial Bifidobacterium and Roseburia species in the colon, promoting a healthy gut barrier, reducing systemic inflammation, and improving nutrient absorption — all of which contribute to recovery and performance.
Lower Effective Caloric Density: RS2 provides approximately 2.0–2.5 kcal/g compared to 4.0 kcal/g for conventional digestible starches, enabling formulators to reduce the caloric load of sports nutrition products while maintaining texture and mouthfeel.
Differentiation from Conventional Maltodextrins
Unlike ordinary maltodextrins or glucose polymers that are rapidly hydrolyzed and absorbed — causing sharp blood sugar spikes and subsequent crashes — RS2 bypasses upper GI digestion entirely. This fundamental distinction makes it a preferred functional carbohydrate source for:
Low-carb and ketogenic diet formulations
Meal-replacement and weight-management shakes
Pre-/post-workout products targeting sustained energy release
Clean-label, high-fiber sports nutrition bars and powders
RS2 has emerged as a go-to ingredient among fitness-oriented consumers seeking to manage carbohydrate intake strategically while supporting gut health, metabolic flexibility, and long-term body composition goals.
Also, if you have any other questions, you can contact us
FAQ From Wuhan Fortuna Chemical Co.,Ltd
Q1: Can I get a sample for free ?
A: For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
Q2: How to confirm the product quality before placing orders ?
A: Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order.
Q3: What is the payment you accept?
A: For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us.
Q4: What is your shipment way ?
A: For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q5: How long is your after-sales service?
A: We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.
Q6: How do you treat quality complaint ?
A: We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.
Name:Wuhan Fortuna Chemical Co.,Ltd
Category:Others
Trade Category: Trading Company
Employees: 11 - 50 People
Address: Room 2015, No.2 Building, Kaixin Mansion No.107
Company Information: Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical and Intermediates, Food and Feed additives, Fine chemicals,Biochemical and Reagent, which is the members of Hubei E-commerce Chamber.
Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients' requirement.
We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.
Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward power, their satisfaction is our struggling goal.
Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide Resistant Starch RS2 (High Amylose) with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Resistant Starch RS2 (High Amylose).
1. Guaranteed purity;
2. Large quantity in stock;
3. Largest manufacturer;
4. Best service after shipment with email;
5. High quality & competitive price;
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