NutraBio · Agmatine · Capsules

Is NutraBio Agmatine 500 mg underdosed?

1 serving = 1 capsuleDirections: 1–2 servings a dayLabel as of 22 May 2021 · NIH DSLD

Verdict

500 mg–1 g a dayas the label directs

Not graded

Contains 1 g. Not graded: no human study has tested it for exercise; human studies are for nerve pain.

One capsule gives 500 mg.

What the label says

Agmatine Sulfate per serving
500 mg in 1 capsule
Servings a day
1–2 servings a day
Agmatine Sulfate a day, as directed
500 mg–1 g
Research dose
Not graded Evidence: Not graded
Suggested Use: Take on workout & non-workout days. Non-Workout days: Take 1-2 servings daily with food. Workout days: Take 20-40 minutes before training.
The label's directions, as printed.

More about agmatine sulfate: forms, timing and the studies behind the dose.

Same category, compared

All 7 agmatine supplements we checked, ranked by dose (commission never changes the order).

ProductPer servingForm
BulkSupplements Agmatine Sulfate Capsules1 gCapsules
BulkSupplements Agmatine Sulfate Powder1 gPowders
Nootropics Depot Agmatine Sulfate 250 mg250 mgCapsules
NutraBio Agmatine 500 mg (this product)500 mgCapsules
Nutricost Agmatine 1000 mg1 gCapsules
Nutricost Agmatine Powder1 gPowders
Swanson Agmatine Sulfate 650 mg650 mgCapsules

Where the reference doses come from

  1. Agmatine Sulfate, : .
  2. Label data: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. Label 248184, including its servings a day.

For a supplement taken every day we judge the most the label's directions give in a day, and show the least. Read the full methodology or the corrections log.