Product Description
Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.* Both are key intermediates in the urea cycle, where they participate in the detoxification of ammonia via the production of urea.* In addition, any arginine not converted to urea enters general circulation where it is distributed to various tissues and metabolized for other uses such as protein synthesis.*
- Same trusted quality with a brand new look! Packaging may vary
- PROTEIN METABOLISM*: Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.*
- NITRIC OXIDE PRECURSOR*/PRE-WORKOUT SUPPLEMENT: Take one capsule up to twice a day, preferably before working out. GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
Availability & Sizing
Product Details
Price History
Historical Data
Last 1 days of price history
| Date | Low Price | High Price | Average Price | Vendors |
|---|---|---|---|---|
| May 9, 2026 | $37.49 | $37.49 | $37.49 | 1 |
Price Statistics
Description
Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.* Both are key intermediates in the urea cycle, where they participate in the detoxification of ammonia via the production of urea.* In addition, any arginine not converted to urea enters general circulation where it is distributed to various tissues and metabolized for other uses such as protein synthesis.* Same trusted quality with a brand new look! Packaging may vary PROTEIN METABOLISM*: Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.* NITRIC OXIDE PRECURSOR*/PRE-WORKOUT SUPPLEMENT: Take one capsule up to twice a day, preferably before working out. GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968.
Additional Info
Vendor Comparison (1 stores)
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| Vendor | Price | Stock | Last Updated | Action |
|---|---|---|---|---|
Hi-Health Best Price | $37.49 | Out of Stock | 5/9/2026 | View Product → |
Available Sizes & Variants (1)
| Variant | Price | Status | Stores | Buy |
|---|---|---|---|---|
Default Title | $37.49 $49.99 | In Stock | 1 store | Buy |
