Other ingredients
Methylcellulose
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
NPB Natures Pure Blend
Nitric Oxide Flow
Capsule
Serving size2 Capsule(s)
Servings per containerNot listed
Package60 Veggie Capsule(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 2 Capsule(s)
L-Arginine Alpha Ketoglutarate500 mgDV not established
L-Arginine Hydrochloride500 mgDV not established
L-Citrulline250 mgDV not established
L-Citrulline Malate250 mgDV not established
Label directions
Not listed
Label warnings
Not listed
Identity and label version
NIH label record335682
Entered into NIH DSLDMay 21, 2025
UPC / GTINNot listed
Manufacturer / distributor on labelNPB Natures Pure Blend
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.
NIH label history (1)
Current labelNIH record 335682Entered May 21, 2025
L-Arginine Alpha Ketoglutarate500 mg
L-Arginine Hydrochloride500 mg
L-Citrulline250 mg
L-Citrulline Malate250 mg
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.