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BEST Prohormone Stack, On The Market!, FREE Shipping w/ code (big3)


VITAMIN X STACK correlates best with Training Programs geared towards extreme mass and power followed by cutting, hardening, vascularity and strength gains. VITAMIN X STACK is one of the most powerful prohormones on the market and all stages also contain Arimistane, an aromatase inhibitor, to ensure a lower potential for estrogen related side effects. VITAMIN X STACK is a serious prohormone series designed for hard-core bodybuilders/athletes that desire the most mass, definition and strength gains out of their time in the gym.  This should not be used by beginners. All prohormone cycles should be followed by a proper Post Cycle Therapy (PCT). Liver support should be used with any prohormone Product.


Weeks 1-4: Vitamin X

Kick off your training program for rapid mass and strength gains with serous lifting and meals fit for a pro. Mass, power and strength gains may start to become noticeable in the first week and continue to build throughout this phase of your training plan. Vitamin X should be incorporated with the bulking phase of your cycle. Take the first Vitamin X pill in the morning, second pill midday, and third pill in the evening. Dosing about 6 to 9 hours apart is optimal.


Weeks 5-8 Vitamin 2X

After completing vitamin X, users move on to the Vitamin 2X . Ramp it up with progressively harder, leaner gains, increased vascularity and more rapid strength on this end of the training phase with leaner calories and more reps. The objective for mass gained on this stretch of the program is to have it be sculpted and rock-solid, building on the gains earned during the first four weeks of the regiment in conjunction with the users other aspects of the training program. Users may notice endurance, strength, and power coming much faster at this stage of program. Take Vitamin 2X pill in the morning, second pill midday, and third pill in the evening. Dosing about 6 to 9 hours apart is optimal.


Weeks 8-12: Restore (PCT)

About 5 days before you run out of VITAMIN 2X start introducing Restore.  Restore will slingshot natural testosterone through the roof and crush estrogen.  This will make it possible to keep all your gains and not have any future side effects.  Take your first Restore pill in the morning, second pill in the midday, and third at night an hour or so before bed.



Serving size: 1 Capsule

3b-hydroxy-5a-androstan-17-one 100mg

Methyl-1-Etiocholenolol-Epietiocholanolone 20mg

18-methylestr-4-en-3-one-17b-ol  30mg

6-chloro-androst-4-ene-3-one-17b-ol  20mg


5a-androstan-3-one-azine 15mg

Androst 3 5-dien-7 17-dione (Arimistane) 25mg

6 7 dihydroxybergamottin, Carbopol, 30mg


VITAMIN 2X: 90 Cap

Serving size: 1 Capsule

3b-hydroxy-5a-androstan-17-one 100mg

18-methylestr-4-en-3-one-17b-ol 30mg

6-chloro-androst-4-ene-3-one-17b-ol 35mg

3,3-azo-17a-methyl-5a-androstan-17b-ol 15mg


5a-androstan-3-one-azine 15mg

Androst 3 5-dien-7 17-dione (Arimistane) 25mg

6 7 dihydroxybergamottin, Carbopol, 30mg



Note: Proper weight lifting and high calorie/quality nutrition must be practiced to achieve these results.  Most users do not report negative side effects.  Other products that increase the effectiveness of this stack would be pre workouts, whey isolates, weight gainers shakes, post-workout shakes high in whey isolate and amino acids, multi-vitamins, and joint support formulas. Liver support is suggested. Not for beginners or users under 21 years of age.

This product is not designed, intended or advertised to “build muscle”. It is the position of this company and the manufacturer that “Only Steak and Bench Press can Build Muscle.” There is no ‘Product’ that can do the work for you so get ready to train harder and move more weight than ever before! All gains* are a result of the users Lifestyle, Diet and Training Routine.

Warning: For Hardcore users only. Not for users under the age of 21. Do not consume if you are pregnant or nursing. Consumption of Prohormones in general have been associated with the risk of increased liver enzyme count, high blood pressure, testicular atrophy, increased or decreased libido, insomnia or drowsiness and other side effect could accrue. Do NOT consume with alcohol or any kind of pain killers (over the counter or prescription) Consult you practitioner before using any prohormone style product.

Must be taken with proper liver support and followed by proper PCT*.



Information provided on this site is solely for informational purposes only. It is not a substitute for professional medical advice. Do not use this information for diagnosing or treating a health problem or disease, or prescribing of any medications or supplements. Only your healthcare provider should diagnose your healthcare problems and prescribe treatment. None of our statements or information, including health claims, articles, advertising or product information have been evaluated or approved by the United States Food and Drug Administration (FDA). The products or ingredients referred to on this site are not intended to diagnose, treat, cure or prevent any disease. Please consult your healthcare provider before starting any supplement, diet or exercise program, before taking any medications or receiving treatment, particularly if you are currently under medical care. Make sure you carefully read all product labeling and packaging prior to use. If you have or suspect you may have a health problem, do not take any supplements without first consulting and obtaining the approval of your healthcare provider. California Consumers – Proposition 65 requires sellers to notify California consumers of substances that are in many foods, plants, herbs and supplements with the following warning. WARNING: These products contain chemicals known to the State of California to cause birth defects or other reproductive harm. 

DISCLAIMER: FLEX Fitness Products does not represent it’s products as Nutritional Supplements and you as our customer acknowledge this when purchasing these products. You also acknowledge that when purchasing FLEX Fitness Products that you are at least 18 years of age.


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Statements on this website have not been evaluated by the Food and Drug Administration. Products are not intended to diagnose, treat, cure, or prevent any disease.

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