Swanson Amino Acid Super-Strength L-Arginine 850 mg, 90 Capsules

Key Benefits of L-Arginine

L-Arginine is an amino acid that supports several important functions in the body. It contributes to the production of nitric oxide, which helps relax blood vessels and maintain normal blood flow. This can be particularly beneficial for those who exercise regularly, as improved circulation may aid recovery after workouts. Additionally, L-Arginine plays a role in protein synthesis, which is essential for maintaining muscle tissue. These effects make it a popular choice amongst athletes and active individuals.

• Normal circulation: By boosting nitric oxide levels, L-Arginine helps maintain healthy blood vessel flexibility and supports normal blood pressure already within a healthy range.
• Muscle recovery: Enhanced blood flow during exercise may improve nutrient delivery to muscles, supporting recovery and reducing fatigue.
• Energy production: L-Arginine is involved in the synthesis of creatine, a compound that fuels muscle contractions.
• Immune defence: This amino acid also contributes to normal immune cell function.

Research shows that consistent supplementation may contribute to improved exercise capacity and overall vitality. However, individual results vary, and this product should not be used as a substitute for a varied diet and healthy lifestyle.

What Is L-Arginine?

L-Arginine is a semi-essential amino acid that the body uses to make proteins. It is classified as 'semi-essential' because while the body can produce it naturally, supplementation may be beneficial in certain situations, such as during periods of high physical demand or in older age. L-Arginine is also found in protein-rich foods like red meat, poultry, fish, and dairy products, but a supplement provides a concentrated and convenient source.

Swanson Super-Strength L-Arginine delivers 850 mg of free-form L-Arginine per capsule, making it easy to achieve a potent dose to support your wellness goals. Free-form amino acids are readily absorbed by the body, ensuring you get the most from each capsule.

Why Choose Swanson L-Arginine?

Swanson Health has been a trusted name in wellness since 1969, providing science-backed supplements with a commitment to quality. This L-Arginine product is manufactured in Good Manufacturing Practice (GMP) certified facilities and undergoes third-party purity and potency testing. Each batch is carefully formulated to meet strict quality standards, ensuring you receive a reliable supplement free from unnecessary additives. Swanson's dedication to quality means you can trust what you are putting into your body.

Recommended Dosage & How to Take

For adults, the typical dosage of L-Arginine ranges from 2 to 6 grammes daily, divided into smaller doses. Swanson Super-Strength L-Arginine provides 850 mg per capsule. A common starting point is one capsule two to three times daily with water, preferably on an empty stomach or as directed by a health care professional. Do not exceed the recommended serving size unless advised by your doctor.

For best absorption, take L-Arginine between meals or 30–60 minutes before a workout. Consistency is key—daily uses yields the most noticeable benefits over time. Store in a cool, dry place away from direct sunlight.

Safety & Precautions

L-Arginine is generally well tolerated when taken at recommended doses. Some individuals may experience mild digestive discomfort, bloating, or diarrhoea. To minimise these effects, start with a lower dose and gradually increase over a week. If you have a history of herpes (cold sores or genital herpes), high doses of arginine may trigger outbreaks—balancing with lysine may help.

The following groups should exercise caution or avoid supplementation:

• Individuals with low blood pressure or those on blood pressure medications
• People with a history of heart attack or angina
• Those with kidney or liver disease
• People with a known allergy to L-Arginine

Consult your health care provider before uses if you are pregnant, nursing, taking any medications, or have a medical condition. Always read the label and follow directions for uses.

Food supplements should not be used as a substitute for a varied diet. This product is not intended to diagnose, treat, or prevent any disease.