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Doctor's Best Sustained Plus Immediate Release L Arginine 120 tablets front view bottle packaging

Doctor's BEST

Doctor's Best Sustained Plus Immediate Release L Arginine 500mg Nitric Oxide Booster Supplement For Cardiovascular Health And Athletic Endurance 12...

Why you'll like it

  • Dual Action Bilayer Technology — Formulated with both immediate and sustained release layers to provide an immediate boost and a continuous supply of L-arginine for prolonged effectiveness
  • Cardiovascular Support — Assists in boosting nitric oxide levels to promote healthy blood circulation, optimal vessel dilation, and overall heart function
  • Enhanced Athletic Performance — Helps support athletic endurance and shortens recovery time after intense workouts or physical performance
  • Clean Plant Based Formula — Completely non-GMO, gluten-free, soy-free, and vegan, making it suitable for men and women with diverse dietary preferences

Product details

Doctor's Best Sustained Plus Immediate Release L Arginine is an advanced dietary supplement engineered to support comprehensive cardiovascular health and athletic performance. This science-based formulation utilizes advanced bilayer tablet technology to provide a dual-action delivery system.

Each serving delivers a balanced combination of immediate-release L-arginine for a swift increase in blood levels, alongside sustained-release L-arginine to maintain an optimal, continuous supply throughout the day. This conditionally essential amino acid serves as a vital precursor to nitric oxide, a key compound that helps relax blood vessels and promote healthy, efficient blood circulation.

Ideal for fitness enthusiasts, athletes, and individuals looking to maintain heart health, this premium formula significantly helps support athletic endurance and post-performance physical recovery. As an authentic USA-imported product brought directly to Indian consumers, it offers an exceptionally clean nutritional profile that is entirely non-GMO, gluten-free, soy-free, and 100% vegan, making it an excellent addition to your daily wellness and fitness regimen.

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 Dropy.

  1. Take two tablets one to two times daily without food, or as directed by a nutritionally informed physician.
  2. Store in a cool, dry place.
  3. Consult a doctor prior to use if you are pregnant, lactating, have a medical condition such as heart disease, or are taking blood-pressure-lowering prescription medications.

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).

As printed by the brand. Check the pack label if you have an allergy.

BrandDoctor's BEST
CategoryL-Arginine
GTIN00753950002005
Ships fromUSA (sourced directly), checked in Navi Mumbai
Sold byDropy.in

Ratings & reviews

From our customers

4.86 reviews
Used this product?Your review helps other shoppers choose.
Write a reviewDoctor's Best Sustained Plus Immediate Release L Arginine 500mg Nitric Oxide Booster Supplement For Cardiovascular Health And Athletic Endurance 12...
Filter reviews6 reviews

Top reviews first: highest rated, with photos first

  • Rabbit M.
    5 ★

    Pharmabd

    I haven't noticed any negative side effects so far.✔️ Good quality✔️ Easily digestible✔️ Good results✔️ Good packaging✔️ Good Supplement✔️ Good Ingredient✔️ Good Benefits✔️ Good Composition✔️ Good Frequency✔️ Good Size✔️ Good Mineral✔️ Good Taste✔️ Good Ease for use🌿 - "PharmaBD In Bangladesh."

  • Heather S.
    5 ★

    WHAT ARE YOU LOOKING FOR?

    A lot of people take L ARGININE for the PUMP pre and after workouts. There is an awful lot of info out there about taking it also in enormous quantities for heightened performance. All of that is fine and probably effective but I don't really like loading in huge amounts of supplements at onvce just to achieve short term goals pf vanity. What i like about this amino acid is how it can lower blood pressure and help clear arteries as well as assist in increasing the effectiveness of other supplements as well as prolonging anti oxidant action. This brand and mechanism is the right one for people who want to use it for HEALTH and LONGEVITY and A FEELING OF WELL BEING- NOT FOR PUMPS IN THE GYM. Although I will say I do see and feel the L ARG hardness in my muscles with solid vein visibility also- but if you take this twice a day for prolonged periods you are really going to improve your health massively- SUSTAINED RELEASE is the ONLY WAY TO REALLY GO WITH L ARGININE - SO HAPPY WITH THIS PRODUCT TRULY

  • C S.
    5 ★

    Does the job as well or improved than other formulas. Worth the price!

    Great product! Tablets, 500mg arginine in total per tab. People take arginine for a variety of reasons but I use it to increase growth hormone production and increase blood flow. I started it today so tomorrow if I look a little more cut I'll believe my GH is up but I can already attest that it increases blood flow...

  • Dropy C.
    5 ★

    Natural Benefits

    I first heard about L-Arginine as a natural alternative to ED medication. As I aged, high blood pressure, also, became an issue. However, BP medications were not working well enough. My numbers have much improved by adding Sustained-Release L-Arginine to my BP medication. I take my Rx med in the morning and an L-Arginine in the afternoon and again before bedtime. It might work for you, but everybody is different. Check with your doctor.

Doctor's Best Sustained Plus Immediate Release L Arginine 500mg Nitric Oxide Booster Supplement For Cardiovascular Health And Athletic Endurance 12...6 customer reviews
4.8

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FAQs

What is the best supplement for arginine?

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.

What are the benefits of bilayer technology in L arginine tablets?

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.

Who can benefit from taking Doctor's Best L Arginine supplements?

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.

Is the Doctor's Best L Arginine sold on Dropy India authentic?

Yes, all products on Dropy India 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.

Can I take this L arginine supplement on an empty stomach?

Yes, the manufacturer suggests taking these bilayer tablets without food, or as recommended by a healthcare professional, to maximize absorption and efficiency.

How long will delivery take?

Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.

Is cash on delivery available?

Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.

Are your products genuine?

Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.

What if my order arrives damaged or wrong?

Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.

Is delivery free?

Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.