Nootropics Depot · Agmatine · Capsules

Is Nootropics Depot Agmatine Sulfate 250 mg underdosed?

1 serving = 1 capsuleDirections: 1–2 servings a dayLabel as of 23 Jun 2021 · NIH DSLD

Verdict

250–500 mg a dayas the label directs

Not graded

Contains 500 mg. Not graded: no human study has tested it for exercise; human studies are for nerve pain.

One capsule gives 250 mg.

What the label says

Agmatine Sulfate per serving: 250 mg in 1 capsule
Servings a day: 1–2 servings a day
Agmatine Sulfate a day, as directed: 250–500 mg
Research dose: Not graded Evidence: Not graded

Suggested use: As a dietary supplement, take 1 capsule 1-2 times daily.

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).

Product	Per serving	Form
BulkSupplements Agmatine Sulfate Capsules	1 g	Capsules
BulkSupplements Agmatine Sulfate Powder	1 g	Powders
Nootropics Depot Agmatine Sulfate 250 mg (this product)	250 mg	Capsules
NutraBio Agmatine 500 mg	500 mg	Capsules
Nutricost Agmatine 1000 mg	1 g	Capsules
Nutricost Agmatine Powder	1 g	Powders
Swanson Agmatine Sulfate 650 mg	650 mg	Capsules

Where the reference doses come from

Agmatine Sulfate, : .
Label data: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. Label 251140, 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.