What are glycosaminoglycans? Proteoglycans are very large molecules consisting of proteins with attached chains of polysaccharides called glycosaminoglycans (GAGs)(see Part 1). GAG chains contain repeating units of modified sugars: one of two amino sugars (glucosamine or galactosamine) and a uronic acid. Many of these chains attach to a protein core and are collectively referred to […]
Anabolic Steroid Articles

Our steroid articles provided detailed, practical information on how anabolic steroids are used to build muscle size, strength and otherwise improve physical performance. They cover topics such as the history of steroids, steroids in baseball, the medical uses of steroids including testosterone replacement therapy (TRT), the side effects of steroids and how to manage steroid side effects.
Women and Iron
Too often and much to my dismay, I hear women protest against using any appreciable weight in their weight training program. Moreover, many young women completely refrain from resistance training; instead spending countless hours on the cardio deck in a fruitless effort to attain an ideal physique. What is the ideal physique and why are […]
Ask Lyle McDonald #13
Subject: Zone Diet Question Hi Lyle, Okay, have a question for you. I am a woman using the Zone diet to lose weight. Supposedly I am supposed to eat 11 blocks of protein and the appropriate amount of fat and carbohydrates that go along with this. As a block of carbohydrates is 9 grams, I […]
Ask Patrick Arnold #10
Are Sore Nipples the Beginning of Gyno; Prohormone Delivery Systems; FDA and Prohormones; Alcohol as a Prohormone Delivery System; Thoughts on GHB Pro-Drugs; Male Pattern Baldness (MPB) and Androdiol (4AD); Andro Wars, Libido and Norandrodiol; Truth About 19-Norandro Metabolism; Guggulsterones; Diols and Estrogenic Effects; Effect of Norandros on Endogenous Testosterone; Dharkam’s Suggestions
Ask Bill Roberts #11
A Letter from Bruce Kneller on Triacana; Escaping from the HIT Trap; A Not-So-Good Cycle; Androdiol: Length of Time in System?; Winstrol Depot and Drug Tests; Protein; PGF-2; Evaluation of Cycle; Sustanon and Dianabol?; Anadrol® Question; Cypionate Cycle Question; Norandrodiol; 5a -Reductase Inhibition; Clomid and Bone; GHB; Which Two of the Three: Primo, Deca, and Dianabol?; Duration of Action of Sustanon, and Finasteride Use; Less than 4 Weeks Off-time on Short Cycles?
Connective Tissue Part 3 – Role of Micronutrients in Connective Tissue Healing
As was discussed in Part II of this series, the major impact of diet upon connective tissue integrity is a deficiency in energy intake, usually associated with inadequate protein and carbohydrates. Aside from its role in mediation of inflammation, there is little research in effects of dietary fats on connective tissue. Micronutrients (minerals and vitamins) […]
Clenbuterol Sabotages Adaptation to Training
Attenuating the decline in ATP arrests the exercise training-induced increases in muscle GLUT4 protein and citrate synthase activity. Researchers: Yaspelkis BB 3rd, Castle AL, Ding Z, Ivy JL Department of Kinesiology, The University of Texas at Austin, 78712, USA. Source: Acta Physiol Scand 1999 Jan;165(1):71-9 Summary: Thirty-two rats were assigned to one of four groups: […]
Ask Charles Staley #11
Speed Strength Article Generating More Questions Q: I saw your material on Speed strength training and I want to know more about the specific exercises, such as how to modify if I do not have access to certain things. The Swiss ball crunch to be specific. A: You can simply perform a high-cable rope crunch, […]
Ask Patrick Arnold #9
Patrick Arnold’s response to the 3alpha,17beta-androstenediol controversy
Pharmacological Differences Between Anabolic Steroids
One rather key issue to usage of anabolic-androgenic steroids (AAS) is how one chooses which to use, or which combination to use, and indeed, why combinations might be superior to comparable amounts of single steroids. The issue of combining AAS for most efficient muscle gain is one that has been entirely neglected in the medical […]








