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Doctor's Best L-Arginine HCL Powder is a 300g vegan, non-GMO supplement designed to boost nitric oxide production, supporting improved blood circulation, muscle growth, cardiovascular health, and cognitive function. Free from gluten, soy, and additives, it’s a clean, science-backed formula ideal for professionals seeking enhanced endurance and vitality.





| ASIN | B00TB73AZK |
| ASIN | B00TB73AZK |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #11,353 in Health ( See Top 100 in Health ) #208 in Amino Acid Nutritional Supplements |
| Brand Name | Doctor's Best |
| Color | No Color |
| Container Type | Canister |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,089) |
| Customer reviews | 4.4 4.4 out of 5 stars (1,089) |
| Diet Type | Vegan |
| Dosage Form | Powder |
| Flavor | Unflavored |
| Global Trade Identification Number | 00753950003743 |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 9.9 x 9.9 x 12.7 centimeters |
| Item Form | Powder |
| Item Weight | 0.79 Pounds |
| Item model number | DRB-00374 |
| Manufacturer | Doctor's Best |
| Manufacturer | Doctor's Best |
| Manufacturer Part Number | DRB-00374 |
| Material Features | GMO Free, Gluten Free, Soy Free, Vegan |
| Material Type Free | en_AE |
| Model Name | Doctor's Best L-arginine HCL Powder, Non-GMO, Vegan, Gluten Free, Soy Free, Helps Promote Muscle Growth, 300g |
| Model Number | DRB-00374 |
| Number of Items | 1 |
| Primary Supplement Type | Creatine |
| Product Benefits | Heart Health Support |
| Product Dimensions | 9.86 x 9.86 x 12.7 cm; 358.34 g |
| Special Ingredients | Amino Acid |
| Specific Uses For Product | Take 1 scoop daily with or without food, or as recommended by a nutritionally-informed physician. |
| UPC | 753950003743 |
| Unit Count | 300 Grams |
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