Doctor's BEST
Doctor's Best Sustained Plus Immediate Release L Arginine 500mg Nitric Oxide Booster Supplement For Cardiovascular Health And Athletic Endurance 12...
Doctor's Best Sustained Plus Immediate Release L Arginine 500mg Nitric Oxide Booster Supplement For Cardiovascular Health And Athletic Endurance 12...
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Product features
Product features
Materials and care
Materials and care
L-Arginine 1000 mg (as 500 mg immediate release and 500 mg sustained release from L-Arginine alpha-Keto-Glutarate), Microcrystalline cellulose, stearic acid, silicon dioxide, magnesium stearate (vegetable source), croscarmellose sodium, modified cellulose (coating).
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- Directly Sourced From USA
- Premium Quality & Authenticity
- 7 Day Easy Return

Product Description
Explore our full range of Doctor's BEST products — from moisturizers to cleansers, all directly sourced from the USA with authenticity guarantee. Shop more skin care at Rudra Retails.
FAQ
Q1. What is the best supplement for arginine?
Ans: Doctor's Best Sustained Plus Immediate Release L Arginine is widely considered an excellent choice due to its advanced bilayer technology. By providing both immediate and sustained release forms, it ensures blood levels remain elevated for optimal efficiency.
Q2. What are the benefits of bilayer technology in L arginine tablets?
Ans: Bilayer technology allows the tablet to release half of its L-arginine content immediately for quick absorption, while the remaining half is released gradually. This ensures sustained nitric oxide production and continuous cardiovascular support throughout the day.
Q3. Who can benefit from taking Doctor's Best L Arginine supplements?
Ans: This unisex supplement is ideal for athletes looking to improve endurance and post-workout recovery, as well as adults seeking to improve blood circulation and maintain overall cardiovascular health.
Q4. Is the Doctor's Best L Arginine sold on Rudra Retails authentic?
Ans: Yes, all products on Rudra Retails are 100% authentic USA imports. We source our inventory directly from trusted channels in the United States, guaranteeing genuine, high-quality dietary supplements for Indian customers.
Q5. Can I take this L arginine supplement on an empty stomach?
Ans: Yes, the manufacturer suggests taking these bilayer tablets without food, or as recommended by a healthcare professional, to maximize absorption and efficiency.