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Best Naturals

L-Arginine, 1 lb (454 g)

4.7 · 164 reviews
2,289 ₽

Premium Formula Pure Powder 3rd Party Lab Tested GMP - Good Manufacturing Practice Product Dietary Supplement Sodium Free L-arginine is a conditionally essential basic amino acid that plays an important role in several important pathways, urea metabolism and excretion, synthesis of proteins, the production of creatine phosphate, DNA synthesis, and the synthesis of nitric oxide, a secondary messenger involved in blood flow. Certain research publications indicate that L-Arginine may help support the following: Supports healthy blood circulations. Supports immune system. Supports positive benefits on athletic performance.

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Premium Formula Pure Powder 3rd Party Lab Tested GMP - Good Manufacturing Practice Product Dietary Supplement Sodium Free L-arginine is a conditionally essential basic amino acid that plays an important role in several important pathways, urea metabolism and excretion, synthesis of proteins, the production of creatine phosphate, DNA synthesis, and the synthesis of nitric oxide, a secondary messenger involved in blood flow. Certain research publications indicate that L-Arginine may help support the following: Supports healthy blood circulations. Supports immune system. Supports positive benefits on athletic performance.

Customer reviews

5.0
verified purchase
The Best👍

I am thoroughly impressed with Best Naturals L-Arginine HCL Powder in its 454g! The quality of this product is exceptional, providing a potent dose of L-Arginine for optimal performance. The quantity offered in this size is generous, ensuring long-lasting supply. What sets this form apart is its easy mixability and quick absorption, making it a convenient choice for daily supplementation. Moreover, the price point for this large quantity is unbeatable, offering great value for money. To avoid damaging your teeth while consuming this powder, I recommend mixing it with water or a soft beverage and drink with a straw to minimize contact with your teeth. Best Naturals L-Arginine HCL Powder is a top-notch supplement that I highly recommend for anyone looking to enhance their workout performance and overall health.

2/22/2024
5.0
verified purchase
Great

I have tried a few brands and returned to this one as my pick. Great for pre workout and pre bedtime, whether any activity is planned or not. If no bedtime activity, you sleep better. But it is great for both males and females to get getter satisfaction at times that "the stars and planets line up".

9/18/2024
5.0
verified purchase
Good stuff

L Arginine has no real taste when mixed with water. It’s a great size package full of this great ingredient. My blood pressure has started to lower so I think this is working. Not sure about the workout benefits as I’m not currently exercising, it will great to see what it does once I’m back in the pool

2/26/2025
5.0
verified purchase
Try it!

When I saw this, I took a chance on it because it was so reasonably priced and made in a GMP facility. I have to say I’m impressed. I’ve tried other brands and this one seems just as effective. It dissolves well, and pretty much tasteless. Glad I tried it!

12/20/2023
4.0
verified purchase
Good quality powder, but no scoop included

The quality of this L-Arginine powder looks great — the texture is fine and it seems like a solid product so far. However, I was disappointed to find that there is no measuring spoon/scoop included in the container, which makes it inconvenient to measure out the right serving size. I’ll be updating this review after taking it for a month or longer — if it demonstrates a noticeable effect on my body, I’ll reflect that in my rating. Stay tuned!

6/1/2026
5.0
verified purchase
Absolutely

This L-Arginine supplement works incredibly well. I noticed better blood circulation, increased energy, and improved endurance very quickly. Workouts feel stronger and recovery is much faster. It truly supports nitric oxide production, which you can actually feel. Another huge plus is how it improves overall vitality and performance. I also noticed better focus and less fatigue during the day. It’s easy to take, high quality, and very effective with no stomach issues. This is an excellent supplement for heart health, circulation, sports performance, and overall wellness. The quality is clearly premium, and the results speak for themselves. I’ve tried many brands, but this one stands out. Definitely a repeat purchase for me! ✔️ Boosts circulation & energy ✔️ Improves workout performance ✔️ Supports heart health ✔️ Clean, high-quality formula 💯 Highly recommended!

1/12/2026
5.0
verified purchase
perfect

L-arginine is of high importance for cats' immunity. They dont mind the taste

1/6/2026
5.0
verified purchase

Best Naturals, L-Arginine, is very beneficial in very many of the metabolic functions

11/10/2025
4.0
verified purchase
Strong taste, cheap value

This product contains not the free-from but the HCl form of L-Arginine. There is nothing wrong with that, it probably indicates that this is made from animal sources. The taste is worse compared to regular free-from amino acid. But overall very good value and gets the job done!

9/30/2025
5.0
verified purchase
Quality product for less fatigue during workouts

I have tried a few brands and returned to this one as my pick. Great for pre workout and pre bedtime, whether any activity is planned or not. If no bedtime activity, you sleep better. But it is great for both males and females to get getter satisfaction at times that "the stars and planets line up".

9/11/2025