EBYSU L-Arginine workout supplement 664 mg

What matters most

If you’re choosing between a straightforward amino-acid supplement and a formula with a few added ingredients, EBYSU takes the latter approach. It combines L-arginine (664 mg) with L-citrulline (200 mg) and cayenne pepper, in a bottle of 120 capsules. The product is positioned as workout support, with arginine described as a source of amino acids involved in muscle protein synthesis—not as a guaranteed route to a particular training result.

The Canadian-made formula is vegetarian and non-GMO, and the listing gives its NPN as 80092084. Cayenne is included as a traditional herbal ingredient for digestion and peripheral circulation. That context may help explain the blend, but it doesn’t establish what you’ll personally notice during a workout.

Best use cases

This may suit someone who already uses amino-acid supplements and wants arginine and citrulline together, rather than buying an arginine-only product. For example, if your training routine includes a gym session after work, the capsules are a compact format to keep with your other supplements, the product details don’t, however, specify when to take them or how many make up a serving. Follow the label directions rather than assuming a schedule from the ingredient list.

May interest you if you want a Canadian-made, vegetarian formula with cayenne as well as two named amino acids. It won’t suit you if you’re looking for a product with a clearly stated serving size in the available details, or if you prefer a simpler formula without additional herbal ingredients. Keep in mind that the listing doesn’t clarify whether the stated amounts are per capsule or per serving, which makes it harder to compare doses directly with other products.

Tips for day-to-day use

Treat the amounts and ingredient list as a starting point for comparison, not as a full dosing plan. Check the product label for serving instructions and any other usage information before adding it to your routine. If you’re comparing it with a more basic supplement, decide whether having both arginine and citrulline—and cayenne—matches what you actually want, a shorter ingredient list can be easier to assess when you’re trying one ingredient at a time.

The description says it is made in Canada in facilities following GMP standards and that it is third-party tested. Those are useful manufacturing details, though they don’t tell you how the formula will feel in your own training. The stated purpose is support for an active lifestyle, not a substitute for a training plan or a specific performance outcome.

Buying questions

How many capsules are in the bottle? The product listing states that it contains 120 capsules.

What are the listed amino-acid amounts? It lists 664 mg of L-arginine and 200 mg of L-citrulline, but the available details don’t say whether those amounts apply per capsule or per serving.

Is it vegetarian? Yes. The description identifies the formula as vegetarian and non-GMO, and lists NPN 80092084.

Is it worth it?

Consider EBYSU if you want a capsule-based workout supplement combining arginine, citrulline and cayenne, and the Canadian-made and vegetarian details matter to you. Its specific drawback is the unclear basis for the listed milligram amounts: without knowing the serving size, you can’t make a like-for-like dose comparison from the product information alone. If clear per-serving quantities or a single-ingredient formula are priorities, a more fully specified or simpler option may be easier to judge. If the blend itself is what you’re after, check the label details before deciding whether it fits your routine.