KRK Supplements Nitric Oxide Complex 3500 mg product packaging

Image: NIH Office of Dietary Supplements, Dietary Supplement Label DatabaseNo separate image reuse license stated

KRK Supplements

Nitric Oxide Complex 3500 mg

Capsule

Serving size4 Capsule(s)
Servings per containerNot listed
Package120 Capsule(s)
Data retrievedJul 28, 2026

Checking your goal…

Checking with your list…

1 labeled serving/day preview
Open the complete check →

Supplement Facts

Serving size 4 Capsule(s)

Proprietary Blend3500 mgDV not established
L-Arginine HydrochlorideNot listedDV not established
L-Arginine Alpha-KetoglutarateNot listedDV not established
Citruline MalateNot listedDV not established

Other ingredients

Gelatin; Microcrystalline Cellulose; Magnesium Stearate (Mg Stearate); Silica

Label directions

Suggested use - For adults; take four (4) capsules daily

Label warnings

Not intended for persons under 18 years of age. Caution; Keep out of reach of children. Consult your physician before using this or any dietary supplement. Do not use if safety seal is broken. Do not use if you are pregnant or nursing or at risk of or being treated for high blood pressure and heart disease.

Identity and label version

NIH label record337332
Entered into NIH DSLDAug 22, 2025
UPC / GTIN00610373852085
Manufacturer / distributor on labelKRK Supplements
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 337332Entered Aug 22, 2025
Serving size4 Capsule(s)
Formula version95fba4cc
Ingredients on label4
NIH sourceOpen label ↗
Proprietary Blend3500 mg
L-Arginine HydrochlorideNot listed
L-Arginine Alpha-KetoglutarateNot listed
Citruline MalateNot listed

Label warning: Not intended for persons under 18 years of age. Caution; Keep out of reach of children. Consult your physician before using this or any dietary supplement. Do not use if safety seal is broken. Do not use if you are pregnant or nursing or at risk of or being treated for high blood pressure and heart disease.

Sources and traceability

  • NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026
    Open source ↗

More from KRK Supplements

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.