L-Arginine – Effects, Uses and Importance for Men & Athletes
What is L-arginine?
L-arginine is a semi-essential amino acid that the body cannot produce sufficiently on its own during certain phases (e.g., stress, illness, or heavy exertion). It plays a central role in nitric oxide (NO) metabolism and is important for vasodilation, blood flow, and nutrient delivery .
L-Arginine Effects – What does arginine do in the body?
The effect of L-arginine is based on increasing nitric oxide (NO) – a gas that relaxes and widens blood vessels. This results in several positive effects:
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Improved blood circulation
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Supporting vascular health
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Increasing the muscle pump during training
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Improved nutrient supply to the muscles
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Reduction of fatigue through improved oxygen supply
Therefore, L-arginine is a popular ingredient in pre-workout products , endurance formulas, and men's health complexes.
L-Arginine's effects on men
L-arginine is particularly important for men because it specifically:
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which can improve potency through improved blood flow in the genital area
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can support erectile function in cases of mild erectile dysfunction
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which can indirectly improve testosterone production through better sleep and cell supply
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fertility is positively influenced by increased sperm motility.
Arginine is particularly effective and holistic when combined with other substances such as citrulline, zinc or maca .
Is L-arginine carcinogenic?
The question "Is L-arginine carcinogenic?" occasionally appears in internet forums. The answer from today's scientific perspective is:
No , L-arginine is not considered carcinogenic when used in normal doses.
On the contrary, arginine has even been used in certain studies to support vascular function in cancer patients . However, its use should always be medically supervised in cases of pre-existing conditions.
L-Arginine potency & dosage – When and how much?
L-arginine is taken to increase potency and improve blood circulation. The optimal dosage depends on the intended use:
| Goal |
Daily dose of L-arginine |
| Libido & Potency
|
3–5 g, in the evening on an empty stomach |
| Sport & Muscle Pump
|
5-8 g, approx. 30-45 minutes before training |
| Vascular health in general
|
2–3 g daily for maintenance |
The effect on potency usually develops after regular intake over several days or weeks .
Arginine vs. Citrulline – Which is better?
| Characteristic |
Arginine |
Citrulline |
| Onset of effect |
faster, but shorter |
slower, but more lasting |
| Bioavailability |
lower than citrulline |
very high |
| For men's health |
good |
very good in combination |
| Pump during training |
intensive |
stable, long-lasting |
Conclusion: The combination of both amino acids – as used by MST Nutrition – delivers the best results for performance and men's health.
MST Nutrition – High-quality arginine complexes
At MST you will receive:
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Pure L-arginine powder or capsules
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Arginine + Citrulline combinations
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ArgiZinc – with zinc, arginine and vitamin B6, specially formulated for men
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High-quality raw materials, laboratory tested and Made in Germany
All products are free from artificial fillers and optimally dosed for maximum effect.
Conclusion
L-arginine is a powerful amino acid with numerous benefits for sports, recovery, the cardiovascular system, and men's health . Its effects on potency, libido, and blood circulation, in particular, make arginine an important component of modern supplements.
Buy L-Arginine now at MST Nutrition – for better performance, more energy and vitality.
