Arginin & Citrullin

500 mg L-Arginine and 250 mg L-Citrulline per capsule. We recommend to take 6 capsules daily. Contains 180 capsules

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What is L-arginine and why is it so popular among athletes?


L-arginine has long been a popular choice for athletes, because this valuable amino acid promotes the release of growth hormones. Thus, L-arginine plays a major role in muscle building, blood circulation, fat burning and the general immune system. The body can produce this non-essential amino acid itself, but not necessarily in sufficient quantities. Especially in times when body and mind are running at full speed, a sufficient supply of L-arginine is indispensable. This is especially true during heavy training, high physical or mental stress, tension or also during and after an illness. Increased fatigue and a drop in performance are often signs that the organism has an increased need for L-arginine. The valuable amino acid ensures that nutrients are better distributed in the muscle tissue and is also an important starting substance for strengthening the connective tissue. L-arginine also supports the formation of collagen and various enzymes and hormones. In the blood vessels, L-arginine forms the messenger substance nitric oxide (NO), which promotes blood circulation and protects the arteries from calcium deposits. Thus, L-arginine is important for the prevention of arteriosclerosis, for the protection of the vessels and the entire cardiovascular system. For this reason, L-arginine is also used as an adjunct in the treatment of various diseases such as high blood pressure, increased cholesterol levels or erectile dysfunction.


What is L-citrulline and why is it also contained in the capsules?


L-citrulline is a non-proteinogenic amino acid and at the same time a precursor of L-arginine. L-citrulline enters the bloodstream via the intestines and finally reaches the liver, where it is converted to L-arginine. This steady process takes some time, which creates a long-term effect in the body that supplies it with L-arginine slowly, but continuously. The L-arginine level is therefore kept at a stable level. Surpresa Natural capsules contain an addition of L-citrulline, as this optimally complements the effectiveness of L-arginine.


Which foods contain L-arginine?


L-arginine occurs naturally in protein-rich foods. However, the fact that meat is supposedly particularly rich in L-arginine has proven to be a fallacy, because legumes, nuts and oilseeds are significantly richer in this valuable amino acid. By the way, pumpkin seeds are among the true stars among L-arginine suppliers: they contain four times as much L-arginine as meat. Peas, lupins, hemp and rice are also a very good source, as part of a balanced diet and in sufficient quantities.


Surpresa Natural Capsules with L-Arginine and L-Citrulline: The Best from Nature


Our Surpresa Natural capsules are a purely natural product. The L-arginine and L-citrulline contained in them are obtained in highly concentrated form from the fermentation of sugar cane. As it has not been produced synthetically, it is free from residues such as solvents. This makes our capsules particularly well tolerated. With Surpresa Natural, you are relying on a purely plant-based product with the highest bioavailability.
Content per capsule: 1 capsule
L-Arginine 500 mg
L-Citrulline 250 mg


Content per daily dose: 6 capsules
L-Arginine 3000 mg
L-Citrulline 1500 mg


Recommended dosage:
take 3x2 capsules daily with lots of liquid during meals


L-Arginine, L-Citrulline, Hydroxypropylmethylcellulose


Vegetarian yes
Lactose free yes
Sugar free yes
Vegan yes
Gluten free yes
GMO free yes


Milk no
Eggs no
Gluten no
Sulfur no
Fish no
Crusteceans no
Molluscs no
Lupins no
Soya Beans no
Mustard no
Celery no
Sesame no
Peanuts no
Nuts no