Katsuo勝魚
Katsuo Stamina pouch — eight capsules
No. 001Stamina
No. 001 · Endurance

Katsuo Stamina

An eight-capsule endurance protocol built on wild-bonito peptide. Studied to accelerate blood-lactate clearance and lower heart rate at pace — for the back half of a long effort.

Quantity
1
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Capsules
8 per pouch · 4 servings
Protocol
2 capsules, 30 min pre-session
Concentration
≈ 1.5 kg wild bonito per serving
Stimulants
None
Flavor
Unflavored capsule (formerly grapefruit)
Origin
Formulated and made in Japan
Formulation

What is in
the pouch.

A single active, intentionally. Bonito peptide is the fragment-fraction of skipjack protein with the strongest evidence for lactate-clearance support.

  • Bonito peptide (wild skipjack)≈ 1.5 kg equivalent

    Active fraction. Studied to lower blood lactate at every measured intensity.

  • Capsulevegetable (HPMC)

    Plant-based shell. No gelatin, no titanium dioxide.

  • Excipientsminimal

    Rice hull concentrate as a flow agent. Nothing else.

Per serving (2 capsules). Sourced from sustainably caught wild skipjack. Not intended to diagnose, treat, or prevent any condition. Consult a clinician before starting any supplement regimen.

−23%
blood lactate at 240 m/min
vs. placebo · 5 pro coaches · RunplusTrail Issue 29 (2018)
−33 bpm
heart rate at LT pace
Yokohama Sports Medical Center · single-subject follow-up
15×
energy density of lactate vs. glycogen
Prof. Hideo Hatta, U-Tokyo Graduate School · exercise physiology
Supplement Facts
Nutrition Facts
2 servings per container
Serving size4 Tablets (1.6 g)
Amount per serving
Calories
5
% Daily Value*
Total Fat 0g0%
Cholesterol 0mg0%
Sodium 0mg0%
Total Carbohydrate 1g0%
Protein 0g
Migratory fish extract 900mg†

*The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. †Daily Value not established.

Net Weight 3.2 g (0.4 g × 8 tablets). Distributed by Stamina Sports Co., Ltd — Torihata Bldg. 2F, 12-4 Higashienokicho, Shinjuku-ku, Tokyo, Japan 1620807. Made in Japan.

Other Ingredients

Dextrin, reduced maltose syrup, migratory fish extract, starch / microcrystalline cellulose, magnesium stearate, shellac.

Allergens

Contains migratory fish. This product is not manufactured with milk, eggs, crustaceans, shellfish, tree nuts, peanuts, wheat, soy, or gluten. Produced in a third-party audited facility that may produce other products containing these allergens and/or ingredients.

Suggested Use

Use before and during activity. Store in a cool, dry place; consume immediately after opening the package.

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.