L-Arginine Supplement
L-Arginine Supplement
Enhance workout performance, endurance, and recovery with L-Arginine.
This performance-focused supplement combines L-Arginine, L-Citrulline, and Beta Alanine with key minerals and vitamins to support blood flow, muscle function, and recovery. Designed to help you achieve a better pump, it’s an ideal companion for intense training sessions.
Crafted in the USA at FDA-registered, GMP-certified (Eurofins) facilities and third-party tested, this clean formula is non-GMO, corn-free, and lactose-free for peace of mind.
Key Ingredients & Benefits
Key Ingredients & Benefits
• Niacin – Supports energy metabolism and circulation.
• Calcium – Essential for muscle contraction and bone health.
• L-Arginine – Promotes nitric oxide production for better blood flow and pumps.
• L-Arginine AKG 2:1 Extract – Enhances absorption and performance benefits.
• L-Citrulline – Works with L-Arginine to sustain nitric oxide levels.
• L-Citrulline Malate Extract – Supports endurance and reduces fatigue.
• Beta Alanine – Buffers lactic acid buildup for improved performance.
What It Is
What It Is
A targeted amino acid supplement formulated to support circulation, endurance, and cardiovascular health — ideal for both fitness performance and daily wellness.
Recommended For
Recommended For
Adults looking to support cardiovascular health, enhance endurance for workouts or active days, and promote healthy circulation for overall vitality.
Results
Results
• Supports healthy blood flow and circulation
• Promotes endurance and stamina during exercise or physical activity
• Helps improve nutrient and oxygen delivery to muscles
• Supports overall heart health and vascular function
How to Use
How to Use
Take 2 capsules daily with water, preferably with a meal.
Container Size: 60 capsules • 30 servings per container.
Suggested Use: 1 serving daily (2 capsules).
Ingredients
Ingredients
Main Ingredients: Niacin, Calcium, L-Arginine, L-Arginine AKG 2:1 Extract, L-Citrulline, L-Citrulline Malate Extract, Beta Alanine
Inactive Ingredients: Cellulose (Vegetable Capsule), Magnesium Stearate (vegetable), Silicon Dioxide
Certifications & Standards:
• Capsuled in the USA at FDA-registered, GMP-certified (Eurofins) facilities
• 3rd Party Tested for quality and potency
• Non-GMO, Corn-Free, Lactose-Free
FAQ
FAQ
Q: Can I use this with my pre-workout?
A: Yes, L-Arginine can complement your pre-workout for improved pumps and endurance.
Q: Is it suitable for vegans?
A: Yes, it contains no animal-derived ingredients.
Q: Can I take it daily?
A: Yes, it’s designed for daily use as part of your fitness regimen.
Medical Disclaimer
Katherine Home supplements are not intended to diagnose, treat, cure, or prevent any disease. If you are pregnant, nursing, recovering from surgery, or taking prescribed medication, please consult your doctor before use. Do not discontinue or change prescribed treatment without medical advice.
Allergen Information
While our products are formulated with care, they may be manufactured in facilities that also process common allergens (nuts, soy, dairy, gluten, fish, shellfish). Cross-contact, while minimized, is still possible. Always check the product label for the most accurate and up-to-date ingredient information.
Dimensions
Dimensions
Size:
60 Vegetable Capsules
• Height: 3.80 in (9.65 cm)
• Diameter: 2.30 in (5.84 cm)
Delivery & Returns
Delivery & Returns
United States
• Estimated delivery: 2–5 business days
• First item: $4.49 | Each additional item: $1.99
• Deliveries to Alaska, Hawaii, Puerto Rico, and other unincorporated U.S. territories may require an additional 7–12 business days
Returns
This item is not eligible for return once opened.
Returns are accepted only for misprinted, damaged, or defective items.
Please report any concerns within 7 days of receiving your order.
We are unable to accept returns due to change of mind or incorrect orders.
Shipping Availability
Currently, this product ships to the United States, including outlying territories.







Katherine Home supplements are not intended to diagnose, treat, cure, or prevent any disease. If you are pregnant, nursing, recovering from surgery, living with a medical condition, or taking prescribed medication, consult your doctor or qualified healthcare provider before using any supplement. Do not stop or change any prescribed treatment without professional medical advice.
Our supplements are designed to support general health and wellness. They should never be used as a substitute for prescribed treatment, medical guidance, or regular check-ups with your healthcare provider.
Allergen Information
While many Katherine Home products are formulated without common irritants, some may contain ingredients that can cause sensitivities or allergic reactions. Our products may also be manufactured in facilities that process common allergens such as nuts, soy, dairy, gluten, fish, or shellfish. Cross-contact, while minimized, is still possible.
We recommend:
- Reviewing the full ingredient list on the product label before use.
- Performing a patch test before applying any skincare product.
- Avoiding the use of candles around individuals with scent sensitivities or respiratory concerns.
General Safety for All Products
- Always follow the usage instructions provided on product labels.
- Discontinue use immediately if you experience any adverse reaction.
- Keep all products out of reach of children and pets.
For the most accurate and up-to-date information, always refer to the product packaging at the time of purchase.
$37.99 USD