1,000mg L-Arginine Powder
This fits into the pre-training part of your routine when you want nitric oxide support without changing anything else in your stack.
Scientific Blends L-Arginine powder is a single-compound amino acid in a simple format: a 1 gram pack with a clear, stated content of 1,000mg per 1 gram pack. One ingredient, named on the label, and nothing hidden behind a blend. You set your own amount based on your program and combine packs only if you choose to reach a target.
- Each 1 gram pack contains 1,000mg of L-Arginine, supporting nitric oxide production and blood-flow needs around training.
Use it the way you use other fundamentals: measure the amount you want with a digital scale, mix into water or your usual pre-workout drink, and take it in the window that suits your sessions. Many athletes place arginine before training; others split their intake between earlier in the day and the training window. It mixes easily with typical shaker use. Because this is a single-ingredient powder with a known amount per 1 gram pack, it stacks cleanly alongside staples like creatine, beta-alanine, L-citrulline, or caffeine without adding extra sweeteners or fillers to your routine.
There is no preset serving here. The 1,000mg figure is the content of the pack, not a suggested intake. Your training, bodyweight, and broader nutrition plan drive how you use it. If your program calls for more, combine packs deliberately and track your totals the same way you do with other isolated compounds.
Quality here is about clarity and consistency: one compound, one listed amount, per 1 gram pack. No proprietary blends, no borrowed claims, and no confusion about what you are taking. This is a dietary supplement intended for healthy adults who already pay attention to their inputs. If you have questions about pairing arginine with medications or a medical condition, speak with a healthcare professional first. Used as part of a well-run program, L-Arginine contributes to the circulation support many athletes want around training while keeping the rest of your stack under your control.
- Most orders ship within 24 hours and arrive within 3 to 5 days of leaving our warehouse.
- Shipping is free on orders of $99+ (except Hawaii and Alaska).
- All orders ship in discreet packaging via USPS Ground Advantage mail.
Delivery restrictions vary by state.
We prioritize your satisfaction above all, which is why we offer a 100-day, no-questions-asked guarantee on all our products. Learn more about our return policy.
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Frequently Asked Questions
L-arginine is an amino acid found in protein-containing foods and also made by the body. It is used to make proteins and serves as a precursor for compounds including nitric oxide and creatine.
L-arginine is often included because the body can use it to make nitric oxide, which participates in blood-vessel signaling. However, human studies provide limited and conflicting evidence that supplemental arginine improves exercise performance.
Measure and mix L-arginine powder only as directed on the product label. Higher intakes can cause gastrointestinal discomfort, and supplements can interact with medicines, so ask a healthcare professional if you use medication or have a health condition.
