Mass Stack IInone
Non-Nutrient / Non-BotanicalBrand: Tokkyo Nutrition
Functions
Net Contents
60 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
60
Supplement Form
Capsule
Bar Code (UPC/SKU)
8 96896 00281 1
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Capsule(s) · 2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| 5-Androsten-3Beta-Ol-17-One | 40 mg | — |
| 1,3,7-Trimethyl-1H-Purine-2,6(3H,7H)-Dione | — | — |
| 3beta-Hydroxy-5-androsten-17-one | 60 mg | — |
| 1,3,7-Trimethyl-1H-Purine-2,6(3H,7H)-Dione | — | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take one (1) capsule in the morning and one (1) capsule in the afternoon. For maximum absorption, take this supplement with at least 15 grams of fat. It is recommended that you take Tokkyo Liver-X for the duration of this supplement, and take Tokkyo Clomidex for at least two weeks after discontinuing use of this supplement.
Warnings & Precautions
Precautions re: All Other
Warning: Consult your physician before using this product. Not for women or individuals under the age of 18 years. This product is only intended to be consumed by healthy adult males 18 years of age or older.
Precautions re: Children
Not for women or individuals under the age of 18 years.
Precautions re: Pregnant or Nursing or Prescription Medications
Consult a physician or licensed qualified health care professional before using this product if you have any pre-existing medical condition including but not limited to: high or low blood pressure, cardiac arrhythmia, anxiety, depression, stroke, heart, liver, kidney or thyroid disease, seizure disorder, psychiatric disease, diabetes, prostate cancer, prostate enlargement, low "good" cholesterol (HDL), any other medical condition, or if you are using any other dietary supplements, prescription drug, or over-the-counter drug.
Precautions re: All Other
Do not exceed recommended serving. Exceeding recommended serving may cause serious adverse health affects. Possible side affects include acne, hair loss, hair growth on the face (in women), aggressiveness, irritability, and increased levels of estrogen. Discontinue use and call a physician or licensed qualified health care professional immediately if you experience rapid heartbeat, dizziness, blurred vision, or other similar symptoms.
Precautions re: All Other
Note: If you are a professional or amateur athlete subject to performance enhancing substance testing, do not use this product unless cleared by your sanctioning body as it may cause a false reactive result for a urine or blood drug test.
Precautions re: Allergies
Allergy Warning: Manufactured in a facility that processes milk, soy and egg proteins, nuts, and other tree nuts and wheat.
Precautions re: All Other
Read all label information and warnings. Do not exceed recommended dosage.
Formulation
Formula re: Type
This product is only intended to be consumed by healthy adult males 18 years of age or older.
Formulation re: Does NOT Contain
Zero calories 0 cal per serving
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the FDA This product is not intended to diagnose, treat, cure, or prevent any disease.
Other Label Statements
General Statements: All Other Content
2-in-1 mass builder
Seals/Symbols
Made in USA
General Statements: All Other Content
Rapid muscle gain Build mass No bloat Active test levels
General Statements: All Other Content
If you want crazy gains in mass and strength, then you should check out Tokkyo Mass Stack II, the strongest double stack supplement available!
Manufacturer & Distributor
Distributor
BTE Wholesalers, LLC
587 2nd Street, Suite B, Manchester, NH, 03102, USA
1.866.320.0141
Market Reference
Mass Monster Stack For anyone whose #1 priority is build muscle
Alpha Lion4.6(160)$214.96Lowest
Where to Buy Locally
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Supreme Supplements
4.9 (68)Vitamin & supplements store
4925 Jackman Rd #07, Toledo, OH 43613
Spartans Nutrition
4.9 (48)Health food store
2039 W Laskey Rd, Toledo, OH 43613
The Vitamin Shoppe
4.5 (236)Vitamin & supplements store
5055 Monroe St, Toledo, OH 43623
GNC
4.1 (51)Vitamin & supplements store
5001 Monroe St, Toledo, OH 43623
Research & Studies
Effect of the Japanese herbal medicine Hochuekkito for systemic inflammation, prognostic nutrition index, and body composition status in patients with gastrointestinal …
Y Okugawa, Y Shirai, K Fukumori, T Kitajima… - Clinical Nutrition …, 2024 - Elsevier
Background & aims A systemic inflammatory response via host–tumor interactions is a cancer hallmark that plays a pivotal role in the pathogenesis of malnutrition and sarcopenia in …
20243 citationsThe effect of leucine-enriched essential amino acid supplementation on anabolic and catabolic signaling in human skeletal muscle after acute resistance …
J Takegaki, K Sase, J Yasuda, D Shindo, H Kato… - Nutrients, 2020 - mdpi.com
… machines: leg extension and leg curl (Life Fitness, Tokyo, … the compositions of the supplements are shown in Table 2). … min rest between sets, on weight stack machines (Life Fitness, …
202036 citationsEffect of egg white protein supplementation prior to acute resistance training on muscle damage indices in untrained Japanese men
Y Hasegawa, Y Mekata, A Sunami… - Montenegrin Journal of …, 2014 - mjssm.me
… and donated by Kewpie Corporation, Tokyo, Japan. Each … weight stack was adjusted to determine the amount of weight … , BW, total weight lifted on Day-5 and dietary intakes (Table 2). …
20149 citationsShiitake mushroom as a wholefood supplementation in a Western diet modulates the gut microbiome, serotonergic system and Wnt-signaling to promote gut health in …
Y Guan, C Wang, H Zeng, MD Moore, Z Liu - The Journal of Nutrition, 2025 - Elsevier
… body weight while the shiitake mushroom supplementation … health (p < 0.01). The shiitake mushroom also altered the gut serotonergic system (p < 0.05), whose implication in gut health …
2025Relationship between protein intake and resistance training–induced muscle hypertrophy in middle-aged women: A pilot study
J Yasuda, K Murata, T Hasegawa, M Yamamura… - Nutrition, 2022 - Elsevier
… mass with progressive resistance exercise training (RET) in healthy middle-aged women. … Twenty-two healthy Japanese women were recruited from Shiga Prefecture, Japan, and a …
20227 citationsBreakfast before resistance exercise lessens urinary markers of muscle protein breakdown in young men: A crossover trial
J Yasuda, T Gomi, A Kotemori, Y Yokoyama… - Nutrition, 2021 - Elsevier
… in healthy young men [7]. Thus, RE performed in the fasting … fat mass, 9.9 ± 2.3 kg; FFM, 52.8 ± 3.9 kg) were recruited through an advertisement posted on the bulletin board of the Tokyo …
20217 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-08-31. DSLD Label ID: 180551. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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