L Citrulline Bulk Powder

 

L citrulline bulk powder is a non-essential amino acid, originally isolated from watermelon (Citrullus vulgaris) and named after it. It is an intermediate metabolite of the ornithine cycle and can be converted from L-ornithine or L-arginine in the human body or supplemented through diet.

 

Unlike common amino acids, L-citrulline is not directly involved in protein synthesis, but plays a key role in a variety of physiological functions.

 

 

1. Special metabolic pathways
Common amino acids such as leucine and valine are mainly used for protein synthesis or energy metabolism, while L-citrulline is the core component of the urea cycle, helping to remove toxic ammonia (NH₃) and convert it into urea for excretion.

It can be further converted into L-arginine, indirectly promoting the production of nitric oxide (NO), while most amino acids do not have this function.

 

2. Absorption and utilization methods
After L citrulline bulk powder is absorbed through the intestine, it is mainly converted into L-arginine in the kidneys, so it can increase the level of arginine in the blood more sustainably, while direct supplementation of arginine is easily metabolized quickly.

 

3. Non-protein source
General amino acids are the basic building blocks of proteins, but L-citrulline does not directly participate in protein construction and belongs to "metabolic amino acids".

 

 

Analysis	Specification	Result
Physical Description
Appearance	White crystals or crystalline powder	White crystals powder
Specific rotation[a]D20	+24.5°～+26.8°	+25.9°
Chemical Tests
Identification (IR)	Meet the requirements	Meet the requirements
Assay	98.5～101.0%	99.12%
Residue on ignition	0.1% Max	0.05%
Loss on drying	0.20% Max	0.01%
Chloride (Cl)	0.02% Max	<0.02%
Sulfate(SO4)	0.02% Max	<0.02%
Conclusion	Complies with the USP40 Standard.
General Status	Non-GMO, ISO Certificated.
Packing and Storage
Packing: Pack in paper-carton and two plastic-bags inside.
Shelf life: 2 year when properly stored.
Storage: Store in a well-closed place with constant low temperature and no direct sun light.

 

 

1. Protect cardiovascular health
By increasing the availability of L-arginine, enhancing endothelial function, improving blood flow and blood pressure regulation, L citrulline bulk powder has potential benefits for hypertension and arteriosclerosis, and better protects cardiovascular health.

 

2. Enhance exercise performance and recovery

• Reduce fatigue: reduce ammonia accumulation through the urea cycle and delay muscle fatigue.
• Accelerate lactate clearance: improve recovery time after exercise, especially for high-intensity interval training or endurance exercise.

 

3. Regulate immunity
As a precursor of arginine, it indirectly regulates immune cell function. It reduces ammonia toxicity through the urea cycle and protects the liver and nervous system.

 

4. Male reproductive health
The vasodilator effect of nitric oxide may improve erectile dysfunction (ED). Some studies believe that L citrulline bulk powder is effect is similar to that of low-dose PDE5 inhibitors (such as sildenafil).

 

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