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Advanced Muscle Science



If you’re looking for a way to boost testosterone and build muscle mass, Advanced Muscle Science has got a product you need to check out! 4-AD contains the prohormone "4-Andro" which actively converts into testosterone in the body. To get more scientific, “4-Andro” is short for the name androstenediol, which is then converted into androstenedione and then into testosterone.

4-AD has an impressive and effective bioavailability and absorption Matrix, which helps deliver the active 4-AD Chrome hormone 4-Androstene-3b-ol, 17-one to the muscles. In the muscle tissues, enzymes convert 4-Androstene-3b-ol, 17-one with a 2-step conversion method to the target hormone, Testosterone.  This 2-step method increases strength and muscle power. 4-AD is the strongest, safest, non-liver toxic rapid dissolving mass building supplement on the market.

Why 4-AD is Better and Stronger

There is no other true mass building supplement on the market that can deliver bodybuilders and athlete’s safe, effective, efficient and real results like 4-AD Chrome can. There is no other product on the market that has the 2-step process that targets testosterone effectively. The 4-Androstene-3b-ol, 17-one molecule is patent pending, making it the most unique and potent mass building supplement available. SEDDS, the first part of the dual system, has improved the bioavailability of CoQ10 significantly according to studies. The data suggest the potential use of SEDDS to provide an efficient way of improving oral absorption of lipophilic drugs. The 6,7 DHB system, the second part of the system which further increases absorption. 4-AD will give you the push you need to increase your natural hormone levels.

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Benefits & Results

  • Eliminate Lifting Plateaus with Strength Gains in the Gym
  • Experience the Euphoria and Aggression While Weight Training
  • The Only True Mass Building Supplement on the Market
  • 100% Safe and Legal
  • Non-Liver Toxic
  • Minimal Side-Effects

Ingredients & Supplement Facts

Serving Size: 1 Tablet

Servings Per Container: 60

4-androstene-3b-ol, 17-one 50mg

6 7-dihydroxybergamottin 100mg

Directions & Dosage

 As a dietary supplement, take 2 doses per day - orally, hold for 30 seconds, then swallow. Use in divided doses 8 hours apart.

AMS products are legal prohormones and are not anabolic steroids. All claims of muscle growth are based on and proper diet and exercise. No supplements build muscle, they only assist a proper diet and exercise program.

Warnings and Side Effects

Not for use of persons under the age of 18. Do not use if you are currently breast feeding, pregnant or plan to become pregnant. Keep out of reach of children. Consult your doctor prior to use if you have any medical conditions or if you are taking any other medications. Discontinue use immediately if you experience rapid heartbeat, dizziness, vomiting or other similar symptoms.

FDA: 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.